Dell DCSM manual

Dell™OptiPlex™960ServiceManual    Mini Tower Computer  Desktop Computer  Small Form Factor Computer[...]

Back to Contents Page  Battery Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Replacing the Battery  Replacing the Battery   A coin - cell battery maintains computer configuration, date, and time information. The battery can last several years. The battery may need replacing if an i[...]

 6. Install the new system battery. a.  Support the battery connector by pressing down firmly on the positive side of the connector. b.  Hold the battery with the "+" facing up, and slide it under the securing tabs at the positive side of the connector. c.  Press the battery straight down into the connector until it snaps into[...]

Back to Contents Page  Contacting Dell Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual To contact Dell for sales, technical support, or customer service issues:  1. Visit support.dell.com .  2. Verify your country or region in the Choose a Country/Region drop - down menu at the bottom of the p[...]

Back to Contents Page  Desktop Computer Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Inside View of Your Computer  Inside View of Your Computer Back to Contents Page  1 drive bays (media card reader, floppy drive, optical drive, hard drive(s)) 2 power supply 3 chassis - intrusion swi[...]

Dell™OptiPlex™960ServiceManual Notes, Notices, and Cautions IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable. Information in this document is subject to change without notice. © 2008DellInc.Allrigh[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Cards  Cards   YourDell™computerprovidesthefollowingconnectorsforPCIandPCIExpress(PCIe)cards: l  One low - profile PCIe x16 card slot l  Two connectors for low - profile [...]

 3. If you are installing a card in an empty card connector on the system board, remove the filler bracket to create a card - slot opening at the back of the computer. Then continue with step 5 .  4. If you are installing a card to replace one already installed in the computer, remove the installed card (see Removing a PCI Card ).  5. Prep[...]

 6. Place the card in the connector and press down firmly. Using the following illustration as a guide, ensure that the card is fully seated in the slot.  7. Gently rotate the release tab downward to move the card - retention latch into place to secure the cards.  1 PCIe x16 card 2 release lever 3 securing slot (not all cards) 4 securing t[...]

 8. Connect any cables that should be attached to the card.  9. Perform the procedure After Working on Your Computer .   10. If you installed a sound card: a.  Enter system setup, select Audio Controller , and change the setting to Off (see the Dell ™ Technology Guide ). b.  Connect external audio devices to the sound card'[...]

 5. Grasp the card by its top corners, and ease it out of its connector.  6. If you are removing the card permanently, install a filler bracket in the empty card - slot opening.  7. Rotate the release tab downward to snap the card - retention latch into place.   8. Perform the procedure After Working on Your Computer .  9. Uninsta[...]

 4. If you are installing a new card, remove the filler bracket to create an empty card - slot opening. If you are replacing a card that is already installed in the computer, remove the card. If necessary, disconnect any cables connected to the card. Grasp the card by its corners, and ease it out of its connector.  5. Prepare the new card for[...]

 9. Replace the riser - card cage: a.  Align the tabs in the side of the riser - card cage with the slots on the side of the computer, and slide the riser - card cage down into place. b.  Ensure that the riser cards are fully seated in the connectors on the system board.  10. Reconnect any cables that you removed in step 3 .  11. Con[...]

 3. Press in on the tab to raise the card - retention latch.  4. If necessary, disconnect any cables connected to the card.  5. Grasp the card by its top corners, and ease it out of its connector.  6. If you are removing the card permanently, install a filler bracket in the empty card - slot opening.  7. Lower the card - retention la[...]

 Internal Wireless Card - Installation The internal wireless card is an optional device. To install the card, do the following:  1. Perform the procedure Before Working on Your Computer .  2. If installed, remove the filler plug covering the opening in the back panel for the Wi - Fi external antenna connector.  3. Locate the wireless ca[...]

tabs on the connector faceplate pass through the opening, and the bent end of the connector faceplate is pointed away from the power supply.  9. Slide the connector sideways along the back panel slightly so that the retaining tabs on the connector faceplate hold the connector to the back panel.  10. Connect the Wi - Fi external antenna to the[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Chassis Intrusion Switch  Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Perform the procedure Before Working on Your Computer .  2. Disconnect the chassis intrusion switch cable from the s[...]

 4. Save your BIOS settings and exit system setup. Back to Contents Page [...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Desktop Computer Cover  Desktop Computer Cover  Removing the Desktop Computer Cover    1. Perform the procedure Before Working on Your Computer .  2. If a security cable or a padlock (through the padlock ring[...]

a.  Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer. b.  Using the hinge tabs as leverage, rotate the cover downward to close it. c.  Snap the cover into place by pulling back on the cover release latch and then releasing the latch when the cover is properly seated. d.  Ensure that the cov[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Processor  Processor    Removing the Heatsink Assembly The heatsink assembly is comprised of the heatsink and the fan and shroud assembly.  1. Perform the procedure Before Working on Your Computer .  2. Disco[...]

`  4. If previously cables were routed through the guides on the back of the heatsink assembly, reroute them through the guides.  Removing the Processor  1. Perform the procedure Before Working on Your Computer .  2. Remove the heatsink assembly (see Remove and Replace the Fan and Shroud Assembly ).   3. Open the processor cover b[...]

  1. Perform the procedure Before Working on Your Computer .  2. Unpack the new processor, being careful not to touch the underside of the processor.   3. If the release lever on the socket is not fully extended, move it to that position.  4. Orient the front and rear alignment - notches on the processor with the front and rear al[...]

Remove and Replace the Fan and Shroud Assembly The fan and shroud assembly can be removed and replaced without removing the heatsink.  1. Perform the procedure Before Working on Your Computer .  2. Disconnect the fan cable from the system board (see System Board Components ).  3. Remove the four black screws that secure the fan and shroud [...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Drives  Drives Your computer supports: l  One 3.5 - inch SATA (serial ATA) hard drive or up to two 2.5 - inch SATA hard drives in the hard drive bay l  One additional 3.5 - inch SATA hard drive, floppy drive, or media[...]

 Power Cable Connectors  Connecting and Disconnecting Drive Cables When removing a cable with a pull - tab, grasp the colored pull - tab and pull until the connector detaches. When connecting and disconnecting a cable without a pull tab, hold the cable by the black connector at each end.  Drive Bay Inserts Your computer will come with a pl[...]

 Replacing Drive Bay Inserts If you are removing a drive, and need to replace the inserts:  1. At the front of the bezel, place the plastic insert over the drive bay opening and insert the tabs at the right edge of the insert into the slots at the right side of the drive bay opening.  2. Swing the left side of the insert into the opening u[...]

3. Disconnect the power and data cables from the back of the drive.  4. If you are not replacing the optical drive at this time, install the optical drive bay insert (see Replacing Drive Bay Inserts ).  Installing an Optical Drive  1. Unpack the drive and prepare it for installation. Check documentation provided for the drive to verify tha[...]

Floppy Drive    Removing a Floppy Drive  1. If the floppy drive you are removing will not be replaced: a.  Boot your computer and press F2 when prompted to enter system Setup (see the Dell ™ Technology Guide ). b.  On the Settings menu, select Drives , then Diskette Drive. c.  Choose the option to Disable the floppy drive. d.[...]

 3. Install the four shoulder screws onto the sides of the new floppy drive and tighten them.  4. Attach the power and data cables to the floppy drive. Ensure that the other end of the cable attaches to the DSKT2 connector on the system board (see System Board Components ).  5. Align the shoulder screws with the screw guides, and slide the[...]

Removing a Media Card Reader  1. Perform the procedure Before Working on Your Computer .  2. Remove the optical drive (if one exists) and carefully set it aside (see Removing an Optical Drive ).   3. Disconnect the power and data cable from the media card reader and from the system board.  4. Lift the drive - release latch and slide [...]

3. Insert the four shoulder screws into the sides of the new media card reader and tighten them.  4. Align the shoulder screws with the screw guides in the mounting rack, and slide the media card reader into the bay until it clicks into place.  5. Attach the power and data cable to the media card reader and system board connector.  6. Repl[...]

     Removing the Primary Hard Drive  1. If you are removing a hard drive that contains data you want to keep, back up your files before you begin this procedure.  2. Perform the procedure Before Working on Your Computer .  3. Remove the optical drive (see Removing an Optical Drive ).  4. If a device is installed in the f[...]

 8. If the primary hard drive is a 2.5 - inch hard drive, it is mounted on the top (flat side) of a 2.5 - inch hard drive caddy in the drive bay caddy. To remove the primary drive: a.  Remove the 2.5 - inch hard drive caddy from the drive bay caddy by gently bending out the release tabs on the side of the caddy and lifting out the 2.5 - inch [...]

 3. If installing 2.5 - inch hard drives as the primary hard drive: a.  Position the new 2.5 - inch hard drive into the flat side of the 2.5 - inch hard drive caddy with the side of the drive with the label plate facing away from the caddy, and the connector end of the drive toward the end of the caddy with the cable cutout (back end). b. [...]

 6. Route the hard drive power and data cables through cable channels and attach them to cable bundles as needed.  7. Replace the floppy drive or media card reader, if it was installed (see Installing a Floppy Drive , or Installing a Media Card Reader ).  8. Replace the optical drive, if it was installed (see Installing an Optical Drive ).[...]

 3. Remove the optical drive, if installed (see Removing an Optical Drive ).  4. If the secondary drive is a 3.5 - inch hard drive: a.  Lift the drive - release latch and slide the drive toward the front of the computer. Then, lift it out of the chassis.   5. If the secondary hard drive is a 2.5 - inch hard drive, it is mounted on th[...]

e.  The secondary 2.5 - inch hard drive is mounted on the U - shaped side of the 2.5 - inch hard drive caddy. Disconnect the power cable y - adapter from the secondary hard drive. f.  Remove the secondary drive from the caddy by removing the four retaining screws, two on each side of the drive.  6. Perform the procedure After Working on Yo[...]

d.  Connect the SATA data cable to the hard drive and to the SATA1 connector on the system board (see System Board Components ). e.  Lower the hard drive into the floppy drive/media card reader bay. Slide the drive toward the back of the chassis until it locks into place.  5. If installing 2.5 - inch hard drives as the secondary hard drive[...]

e.  Secure the drive to the drive caddy with four screws, two on each side. f.  Attach the power cable y - adapter to the hard drives installed in the caddy. g.  Install the 2.5 - inch hard drive caddy into the drive bay caddy by gently bending out the release tabs on the side of the caddy and positioning the 2.5 - inch drive caddy in the [...]

j.  Replace the floppy drive or media card reader, if it was installed (see Installing a Floppy Drive , or Installing a Media Card Reader ).  6. Route the hard drive power and data cables through cable channels and attach them to the cable bundle as needed.  7. Replace the optical drive, if it was installed (see Installing an Optical Drive[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  I/O Assembly  I/O Assembly  Removing the I/O Assembly    1. Perform the procedure Before Working on Your Computer .  2. Remove the bezel by releasing the three securing tabs and rolling it away from the top e[...]

 Replacing the I/O Assembly To replace the I/O assembly, do the following:  1. Perform the procedure Before Working on Your Computer .  2. Remove the bezel: a.  Lift the three retention tabs to release the top edge of the bezel. b.  Roll the bezel down and lift it from the chassis.  3. Feed the I/O assembly cables into the front o[...]

 4. Push the I/O connector block into the I/O assembly opening until it snaps into place.  5. Plug the I/O assembly cable connectors into their system board connectors (see System Board Components ).  6. Join the I/O assembly cables to the cable bundle routed through the middle of the chassis.  7. Replace the bezel.  8. Perform the p[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Power Supply  Power Supply  Replacing the Power Supply    1. Perform the procedure Before Working on Your Computer .  2. Disconnect the DC power cables from the system board and the drives. Note the routing o[...]

11. Replace the optical drive (see Optical Drive ).  12. Connect the AC power cable to the connector.  13. Perform the procedure After Working on Your Computer .  DC Power Connectors  DC Power Connector P1  Pin Number  Signal name  18 - AWG Wire 1 +3.3 VDC Orange 2 +3.3 VDC Orange 3 GND Black 4 +5 VDC Red 5 GND Black 6 +5 VDC R[...]

 DC Power Connector P2  DC Power Connector P4  DC Power Connector P5 and P6 Back to Contents Page  23 +5 VDC Red 24 GND Black *Use 22 - AWG wire instead of 18 - AWG wire.  Pin Number  Signal Name  18 - AWG Wire 1 GND Black 2 GND Black 3 +12 VDC Yellow 4 +12 VDC Yellow  Pin Number  Signal Name  22 - AWG Wire 1 +5 VDC Re[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Internal Speaker  Internal Speaker  Installing an Internal Speaker The internal speaker is an optional device.    1. Perform the procedure Before Working on Your Computer .   2. To mount the internal speak[...]

1. Perform the procedure Before Working on Your Computer .  2. Disconnect the speaker cable from the system board.  3. To remove the internal speaker, press the locking tab, shift the speaker to move the speaker housing retention tabs out of the grill retention tabs, and lift the speaker from the chassis.  4. Perform the procedure After Wo[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  System Board Components  System Board Components Back to Contents Page  1 fan connector (FAN_CPU) 2 processor connector (CPU) 3 processor power connector (12VPOWER) 4 memory module connectors (DIMM_1, DIMM_2, DIMM_3, DIM[...]

Back to Contents Page  Memory Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual You can increase your computer memory by installing memory modules on the system board. Your computer supports DDR2 memory. For additional information on the type of memory supported by your computer, see the appropriate s[...]

If you are using a 32 - bit operating system such as Microsoft ® Windows ® Vista ® , your computer will support a maximum of 4 GB of memory. If you are using a 64 - bit operating system, your computer will support a maximum of 8 GB (2 - GB DIMMs in each of the four slots) of memory.  Installing Memory    1. Perform the procedure B[...]

6. Connect your computer and devices to electrical outlets, and turn them on.  7. When the message appears stating that memory size has changed, press <F1> to continue.  8. Log on to your computer.  9. Right - click the My Computer icon on your Windows desktop and click Properties .  10. Click the General tab.  11. To verify th[...]

Dell™OptiPlex™960ServiceManual Notes, Notices, and Cautions IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable. Information in this document is subject to change without notice. © 2008DellInc.Allrigh[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Cards  Cards   YourDell™computerprovidesthefollowingconnectorsforPCIandPCIExpress(PCIe)cards: l  Two PCI card slots l  One PCIe x16 card slot l  One PCIe x1 card slot [...]

 3. If you are installing a new card, remove the filler bracket to create a card - slot opening. Then continue with step 5.  4. If you are replacing a card that is already installed in the computer, remove the card. If necessary, disconnect any cables connected to the card.  5. If your card includes a securing slot, gently pull the release[...]

 10. Connect any cables that should be attached to the card. See the documentation for the card for information about the card's cable connections.  11. Reseat the card retention latch.  12. Perform the procedure After Working on Your Computer .  13. If you installed a sound card: a.  Enter system setup, select Audio Controller [...]

7. If you removed a sound card: a.  Enter system setup, select Audio Controller , and change the setting to On . (See the Dell ™ Technology Guide for more information). b.  Connect external audio devices to the audio connectors on the back panel of the computer.  8. If you removed a network - adapter card connector: a.  Enter system s[...]

 6. Route the wireless card cable through the cable guides on the top of the heatsink assembly, along the cable bundle for the front panel wiring, and through the cable clip on the side of the power supply.  7. Remove the plug on the back panel where the external connector for the Wi - FI antenna is installed.  8. Position the external ant[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Chassis Intrusion Switch  Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Perform the procedure Before Working on Your Computer .  2. Disconnect the chassis intrusion switch cable from the s[...]

 4. Save your BIOS settings and exit system setup. Back to Contents Page [...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Mini Tower Computer Cover  Mini Tower Computer Cover  Removing the Mini Tower Computer Cover    1. Perform the procedure Before Working on Your Computer .  2. Lay the computer on its side as shown in the illu[...]

Gently pull the power cables toward you so that they do not get caught underneath the drives.  2. Ensure that no tools or extra parts are left inside the computer.  3. To replace the cover: a.  Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer. b.  Using the hinge tabs as leverage, rotate th[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Processor  Processor    Removing the Heatsink Assembly  1. If cables are routed through the cable guides on the top or sides of the heatsink shroud, detach them and move them away from the heatsink assembly. [...]

 4. Reroute cables removed earlier through the cable guides on the heatsink assembly. Reconnect them as needed.  Removing the Processor  1. Perform the procedure Before Working on Your Computer .  2. Remove the heatsink assembly (see Removing the Heatsink Assembly ).   3. Open the processor cover by sliding the release lever from [...]

Installing the Processor    1. FPerform the procedure Before Working on Your Computer .  2. Unpack the new processor, being careful not to touch the underside of the processor.  3. If the release lever on the socket is not fully extended, move it to that position.  4. Orient the front and rear alignment - notches on the processor [...]

 3. Disconnect the fan cable from the system board (see System Board Components ).  4. Lift (press up) the fan retention tab on the lower side of the fan assembly (toward the bottom of the computer) while pulling back (away from the chassis) the tab on the upper side of the fan assembly, and simultaneously sliding the assembly toward the back[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Drives  Drives Your computer supports: l  Up to Two 3.5 - inch or up two 2.5 - inch SATA (Serial ATA) hard drives l  One 3.5 - inch floppy drive or media card reader l  Two 5.25 - inch SATA optical drives l  One[...]

 Power Cable Connectors  Connecting and Disconnecting Drive Cables When removing a cable with a pull - tab, grasp the colored pull - tab and pull until the connector detaches. When connecting and disconnecting a cable without a pull tab, hold the cable by the black connector at each end.  Hard Drive The OptiPlex 960 mini - tower chassis su[...]

The drive to be removed may be a 3.5 - inch hard drive installed in the upper drive bay or lower drive bay, or 2.5 - inch hard drive in the upper bay, and may be a primary drive or secondary drive. The upper drive bay always contains the primary hard drive, and, if a drive is installed in the lower drive bay, it is always configured as a secondary [...]

 7. If the drive being removed is a 2.5 - inch hard drive: a.  Remove the 2.5 - inch hard drive caddy from the drive bay caddy by gently bending out the sides of the drive bay caddy lifting out the hard drive caddy. b.  Detach the hard drive to be removed from the 2.5 - inch hard drive caddy by removing the four screws, two on each side, t[...]

f.  On the Settings menu, select Drives , and select Drives on the sub - menu . g.  Disable the SATA port for the secondary hard drive (normally SATA1). h.  Click Apply , then Exit . i.  If the new primary hard drive is a bootable drive, skip the rest of this step. j.  Insert a bootable medium into a boot drive. k.  Reboot your co[...]

b.  Secure the drive to the drive caddy with four screws, two on each side. c.  Connect a power cable y - adapter to the hard drive(s) installed in the caddy. d.  Install the 2.5 - inch hard drive caddy into the drive bay caddy with the U - shaped side toward the inside of the drive bay caddy. The pins inside the drive bay caddy should ali[...]

 7. Carefully slide the drive bay caddy into the drive bay until it snaps into place. If the drive bay caddy contains the primary hard drive, insert the caddy into the upper - most bay.  8. Connect the power and data cables to the drive(s).   9. Check the drive cabling to ensure that the cables are attached to the correct connectors, an[...]

Refer to documentation for your operating system for instructions.  15. Test the hard drive by running the Dell Diagnostics (see the Dell ™ Technology Guide ).  16. If the drive you just installed is the primary drive, install a bootable operating system onto the drive, if necessary.  Remove the Drive Bezel To remove the drive bezel: [...]

  Removing the Floppy Drive  1. If the floppy drive you are removing will not be replaced: a.  Boot your computer and press F2 when prompted to enter system Setup (see the Dell ™ Technology Guide ). b.  On the Settings menu, select Drives , then Diskette Drive. c.  Choose the option to Disable the floppy drive. d.  Click Appl[...]

 4. Align the shoulder screws on the floppy drive with the shoulder screw slots, and gently slide it into the bay until it clicks into place.  5. Replace the drive bezel (see Remove the Drive Bezel ).  6. Attach the data cables to the floppy drive and to the system board. Route the data cable through the cable guides on the fan shroud. Att[...]

 Media Card Reader    Removing the Media Card Reader  1. Perform the procedure Before Working on Your Computer .  2. Disconnect the power and data cable from the back of the media card reader.  3. Remove the drive bezel (see Remove the Drive Bezel ).  4. Slide the drive release latch toward the base of the computer and remov[...]

 4. Align the shoulder screws on the media card reader with the shoulder screw slots, and gently slide it into the bay until it clicks into place.  5. Replace the drive bezel (see Replace the Drive Bezel ).  6. Attach the power and data cable to the media card reader and to internal USB connector on the system board (see System Board Compo[...]

Removing an Optical Drive  1. Perform the procedure Before Working on Your Computer .  2. Disconnect the power and data cables from the back of the drive.  3. Remove the drive bezel (see Remove the Drive Bezel ).  4. Slide the drive release latch toward the base of the computer and remove the optical drive from the computer.  5. If y[...]

 6. Replace the drive bezel (see Remove the Drive Bezel ).  7. Connect the power and data cables to the drive and to the system board. Always connect the optical drive SATA cable to a system board SATA connector that is labeled with a number higher than those connected to any hard drives installed in the computer.  8. Check all cable conne[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  I/O Assembly  I/O Assembly  Removing the I/O Assembly    1. Perform the procedure Before Working on Your Computer .   2. Remove the drive bezel (see Remove the Drive Bezel ).  3. Remove the optical driv[...]

 Replacing the I/O Assembly  1. Perform the procedure Before Working on Your Computer .  2. Remove the drive bezel, if installed (see Remove the Drive Bezel ).  3. Remove the bezel, if installed (see Remove the Bezel ).  4. Feed the I/O assembly cables into the front of the chassis through the opening for the I/O assembly until the a[...]

 10. Replace the optical drive, if removed earlier (see Replacing or Installing an Optical Drive ).  11. Replace the drive bay caddy.  12. Replace the drive bezel (see Replace the Drive Bezel ).  13. Perform the procedure After Working on Your Computer .  14. Reboot your computer and exercise the I/O panel to ensure that it is workin[...]

[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Power Supply  Power Supply  Replacing the Power Supply    1. Perform the procedure Before Working on Your Computer .  2. Disconnect the DC power cables from the system board and the drives. Note the routing o[...]

DC Power Connectors  DC Power Connector P1   Pin Number  Signal name  18 - AWG Wire 1 +3.3 VDC Orange 2 +3.3 VDC Orange 3 GND Black 4 +5 VDC Red 5 GND Black 6 +5 VDC Red 7 GND Black 8 PS_PWRGOOD Gray 9 P5AUX Purple 10 V_12P0_DIG White 11 V_12P0_DIG White 12 +3.3 VDC Orange 13 +3.3VDC/SE* Orange 14 - 12 VDC Blue 15 GND Black 16 PWR_PS[...]

DC Power Connector P2  DC Power Connectors P3, P5, P8, and P9  DC Power Connector P7 Back to Contents Page   Pin Number  Signal Name  18 - AWG Wire 1 GND Black 2 GND Black 3 +12 VADC Yellow 4 +12 VADC Yellow  Pin Number  Signal name  18 - AWG Wire 1 +3.3 VDC Orange 2 GND Black 3 +5 VDC Red 4 GND Black 5 +12 VBDC White [...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Internal Speaker  Internal Speaker  Installing an Internal Speaker The internal speaker is an optional device.    1. Perform the procedure Before Working on Your Computer .   2. To mount the internal speak[...]

 1. Perform the procedure Before Working on Your Computer .  2. Disconnect the cable from the INT SPKR1 connector on the system board (see System Board Components ).  3. To remove the internal speaker, press the locking tab, shift the speaker to move the speaker housing retention tabs out of the retention tabs on the grill, and lift the sp[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  System Board Components  System Board Components Back to Contents Page  1 connector for optional wireless card (PCIE_WLS1) 2 thermal sensor connector (THRML1) 3 connector for optional internal speaker (INT_SPKR1) 4 fan c[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Cards  Cards   YourDell™computersupportsaPS/2serialportadapterandprovidesthefollowingconnectorsforPCIandPCIExpress(PCIe)cards: l  One low - profile PCI [...]

 3. If you are installing a new card, remove the filler bracket to create a card - slot opening. Then continue with step 5 .  4. If you are replacing a card that is already installed in the computer, remove the card. If necessary, disconnect any cables connected to the card. Then continue with step5 .  5. Prepare the card for installati[...]

b.  Connect the network cable to the network adapter card's connectors. Do not connect the network cable to the integrated network connector on the back panel of the computer.   13. Install any drivers required for the card as described in the card documentation.  Removing a PCI Card  1. Perform the procedure Before Working on Y[...]

  11. If you removed a network - adapter card connector: a.  Enter system setup, select Integrated NIC from the Onboard Devices group, and change the setting to On (see the Dell ™ Technology Guide ). b.  Connect the network cable to the integrated network connector on the back panel of the computer.  PCIe and DVI Cards Your compute[...]

  7. Connect any cables that should be attached to the card.  8. Before you close the card retention mechanism, ensure that: l  The tops of all cards and filler brackets are flush with the alignment bar. l  The notch in the top of the card or filler bracket fits around the alignment guide.  9. Secure the card(s) by closing the car[...]

 5. If you are removing the card permanently, install a filler bracket in the empty card - slot opening.  6. Before you close the card retention mechanism, ensure that: l  The tops of all cards and filler brackets are flush with the alignment bar. l  The notch in the top of the card or filler bracket fits around the alignment guide. [...]

To install the card, do the following:  1. Perform the procedure Before Working on Your Computer .  2. If installed, remove the filler plug covering the opening in the back panel for the Wi - Fi external antenna connector.  3. Locate the wireless card connector on the system board (see System Board Components ).  4. Position the wireles[...]

 11. Replace the computer cover.  12. Restart your computer. Setup the wireless device software as needed to support your wireless network.  Internal Wireless Card - Removal To remove an internal wireless card do the following:  1. Perform the procedure Before Working on Your Computer .  2. Disconnect the Wi - Fi external antenna fro[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Chassis Intrusion Switch  Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Perform the procedure Before Working on Your Computer .  2. Remove the computer cover (see Removing the Small Form F[...]

the setting, move to the Apply button and press Enter .  4. Save your BIOS settings and exit system setup. Back to Contents Page  NOTE: The default setting is On - Silent .[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Small Form Factor Computer Cover  Small Form Factor Computer Cover  Removing the Small Form Factor Computer Cover    1. Perform the procedure Before Working on Your Computer .  2. If a security cable or a pad[...]

a.  Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer. b.  Using the hinge tabs as leverage, rotate the cover downward to close it. c.  Snap the cover into place by pulling back on the cover release latch and then releasing the latch when the cover is properly seated. d.  Ensure that the cov[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Processor  Processor    Removing the Processor  1. Perform the procedure Before Working on Your Computer .  2. Remove the hard drive shroud assembly (see Removing the Hard Drive and Shroud Assembly ).  3. [...]

  9. Gently remove the processor from the socket. Leave the release lever extended in the release position so that the socket is ready for the new processor.  Installing the Processor    1. Perform the procedure Before Working on Your Computer .  2. Unpack the new processor, being careful not to touch the underside of the proce[...]

  6. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  7. When the processor is fully seated in the socket, close the processor cover. Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket.  8. Pivot the socket release lever back toward the [...]

 12. If the system contained a wireless card that was removed in a previous step, replace the card (see Internal Wireless Card - Installation ).  13. Reroute cables through guides on the fan shroud.  14. Replace the optical drive (see Replacing or Installing an Optical Drive ).  15. Replace the hard drive and shroud assembly (see Replac[...]

 9. Position the new fan and shroud assembly onto the heatsink, aligning the screw holes in the shroud with the holes in the heatsink.  10. Secure the fan shroud to the heatsink with the four screws removed in the step above.  11. Connect the two fan cables to the system board (see System Board Components ).  12. If the system contained[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  `Drives  `Drives Your computer supports: l  One 3.5 - inch SATA (serial ATA) hard drive or two 2.5 - inch SATA hard drives l  One slimline media card reader or one slimline floppy drive l  One SATA slimline optical[...]

 Power Cable Connectors  Connecting and Disconnecting Drive Cables When removing an cable with a pull - tab, grasp the colored pull - tab and pull until the connector detaches. When connecting and disconnecting a SATA data cable, hold the cable by the black connector at each end.  Removing Drive Bay Inserts If you are installing a new driv[...]

Replacing Drive Bay Inserts If you are removing a drive, and need to replace the inserts:  1. From inside the chassis, place the plastic insert over the drive bay opening and insert the tabs at the right edge of the insert into the slots at the right side of the drive bay opening.  2. Swing the left side of the insert into the opening until i[...]

 Removing the Hard Drive  1. If you are removing a hard drive that contains data you want to keep, back up your files before you begin this procedure.  2. Perform the procedure Before Working on Your Computer .  3. Lay the computer on its side so that the system board is on the bottom of the inside of the computer.  4. Remove the har[...]

c.  If the primary 2.5 - inch hard drive was removed, and will be replaced by the secondary hard drive installed on the caddy, remove the secondary drive and install it on the mount it on the flat side of the 2.5 - inch hard drive caddy. d.  If the primary 2.5 - inch hard drive was removed and no secondary hard drive was installed, install a [...]

b.  Install the hard drive and shroud assembly in the chassis (see Replacing the Hard Drive and Shroud Assembly ).  3. If you are installing a 2.5 - inch drive: a.  Remove the hard drive and shroud assembly, if necessary (see Removing the Hard Drive and Shroud Assembly ). b.  Remove the 2.5 - inch hard drive caddy from the shroud by sli[...]

d.  Secure the drive to the drive caddy with four screws, two on each side. e.  Attach the power cable Y - adapter to the hard drive(s) mounted on the caddy. f.  Install the drive caddy in the drive shroud by slightly pulling out the release tabs on the drive shroud and aligning the pins inside the shroud with the holes on the sides of the[...]

 4. Check all connectors to ensure that they are properly cabled and firmly seated.  5. Gently insert the hard drive and shroud assembly tabs into the alignment slots on the back of the chassis and rotate the assembly downward until it clicks into place.  6. Route the SATA data cable(s) and cables removed earlier through the cable channel [...]

 5. If the optical drive is not being replaced after removal: a.  Remove the hard drive and shroud assembly (see Removing the Hard Drive and Shroud Assembly ). a.  Disconnect the SATA cable from the system board and remove the cable from the chassis. b.  Replace the hard drive and shroud assembly.  6. Perform the procedure After Work[...]

 6. Check all cable connections.  7. Replace the hard drive and shroud assembly (see Replacing the Hard Drive and Shroud Assembly ).  8. Check cable routing. Route cables through cable guides to provide airflow for the fan and cooling vents.  9. Perform the procedure After Working on Your Computer .  10. See the documentation that ca[...]

 6. Push down the drive release latch and slide the floppy drive towards the back of the computer. Then lift it out of the chassis.  7. If the drive is not being replaced with any device: a.  Disconnect the drive data cable from the connector on the system board, and remove it from the chassis. b.  Remove the bezel (see Remove the Bezel[...]

 4. Insert the data cable into the connector on the system board (see System Board Components ). Route the data cable under the guides on the sides of the fan shroud.  5. Insert the floppy drive cable into the cable release tab on the floppy drive and press down on the tab until it clicks to lock it in place.  6. Replace the hard drive and[...]

   Removing a Media Card Reader  1. FPerform the procedure Before Working on Your Computer .  2. Lay the computer on its side so that the system board is on the bottom of the inside of the computer.  3. Remove the hard drive and shroud assembly (see Removing the Hard Drive and Shroud Assembly ).  4. Remove the optical drive (se[...]

e.  Remove the three shoulder screws from the inside of the drive bay insert, and install them onto the media card reader. f.  Remove the hard drive and shroud assembly (see Removing the Hard Drive and Shroud Assembly ).  3. Align the screws on the media card reader with the bracket slots in the computer, and gently move the drive forward [...]

 11. Verify that your computer works correctly by running the Dell Diagnostics (see the Dell ™ Technology Guide ).  Remove the Bezel Lift the three front cover retention tabs to release the top edge of the cover. Roll the cover down and lift it away from the chassis.  Replacing the Bezel To replace the bezel, insert the hooks at the bott[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  I/O Assembly  I/O Assembly  Removing the I/O Assembly    1. Perform the procedure Before Working on Your Computer .  2. Remove the hard drive and shroud assembly (see Removing the Hard Drive and Shroud Assemb[...]

To replace the I/O assembly, do the following:  1. Remove the computer cover, if installed (see System Board Components ).  2. Remove the bezel (see Remove the Bezel ).  3. Feed the I/O assembly cables into the front of the chassis through the opening for the I/O assembly until the assembly is in place. Ensure that the securing tab points [...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Power Supply  Power Supply  Replacing the Power Supply    1. Perform the procedure Before Working on Your Computer .  2. If installed, remove the optical drive (see Removing an Optical Drive ).  3. If inst[...]

 14. Reconnect the DC power cables to the system board and drives (see System Board Components and `Drives ).  15. Replace the floppy drive or media card reader (see Installing a Floppy Drive ).  16. Replace the optical drive (see Installing an Optical Drive ).  17. Replace the hard drive and shroud assembly (see Replacing the Hard Driv[...]

 DC Power Connector P2  DC Power Connector P3  Thermal Sensor P5  DC Power Connector P6 12 +3.3 V Orange 13 (optional) +3.3V Orange 14 - 12 V* Blue 15 GND Black 16 PWR_PS_ON Green 17 GND Black 18 GND Black 19 GND Black 20 NC NC 21 VCC (+5V) Red 22 VCC (+5V) Red 23 VCC (+5V) Red 24 GND Black *Use 22 - AWG wire instead of 18 - AWG wire. ?[...]

Back to Contents Page  2, 3 +5VDC Red 4 N/A N/A 5, 6 COM Black[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Internal Speaker  Internal Speaker  Installing an Internal Speaker The internal speaker is an optional device.    1. Perform the procedure Before Working on Your Computer .   2. To mount the internal speak[...]

 1. Perform the procedure Before Working on Your Computer .  2. Disconnect the speaker cable from the system board.  3. To remove the internal speaker, press the locking tab, shift the speaker to move the speaker housing retention tabs away from the grill retention tabs, and lift the speaker from the chassis.  4. Replace the computer co[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  System Board Components  System Board Components Back to Contents Page  1 heatsink front fan connector (FAN_CPU) 2 processor connector (CPU) 3 processor power connector (12VPOWER) 4 memory module connectors (DIMM_1, DIMM[...]

Dell™OptiPlex™960ServiceManual Notes, Notices, and Cautions IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable. Information in this document is subject to change without notice. © 2008DellInc.Allrigh[...]

Back to Contents Page  Small Form Factor Computer Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Inside View of Your Computer  Inside View of Your Computer Back to Contents Page  1 drive - release latch 2 optical drive 3 power supply assembly 4 intrusion switch 5 hard drive and shroud [...]

Back to Contents Page  System Board Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Removing the System Board: Mini Tower, Desktop, and Small Form Factor Computers  Replacing the System Board: Mini Tower, Desktop, and Small Form Factor Computers  Removing the System Board: Mini Tower[...]

 Small Form Factor System Board Screws Place the system board assembly that you just removed next to the replacement system board to ensure it is identical.  Replacing the System Board: Mini Tower, Desktop, and Small Form Factor Computers  1. Gently align the board into the chassis and slide it toward the back of the computer.  2. Repla[...]

Back to Contents Page  Mini Tower Computer Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Inside View of Your Computer  Inside View of Your Computer ` Back to Contents Page  1 optical drive 2 flex bay device (for optional floppy disk drive, media card reader, etc.) 3 power supply 4 cha[...]

Back to Contents Page Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable. Information in this document is subject to change withou[...]

Back to Contents Page  Troubleshooting Tips Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Using the Hardware Troubleshooter  Tips   Using the Hardware Troubleshooter  1. Click the Windows Vista Start button , and click Help and Support.  2. Type hardware troubleshooter in [...]

4.  If the LED still does not illuminate, the problem is probably with the power supply. Contact Dell (see Contacting Dell). Steady Amber No CPU detected. l  Reinstall the CPU and restart the system. If the computer still fails to boot, inspect the CPU socket for damage. l  If the problem persists, contact Dell (see Contacting Dell). Stead[...]

Steady Blue The computer is in a normal on condition. The diagnostic lights are not lit after the computer successfully boots to the operating system. l  Ensure that the display is connected and powered on. l  If the problem persists, contact Dell (see Contacting Dell). Steady Blue A possible processor failure has occurred. l  Reseat the p[...]

 Eliminate interference — Some possible causes of interference are: l  Power, keyboard, and mouse extension cables l  Too many devices connected to the same power strip l  Multiple power strips connected to the same electrical outlet  Memory Problems   If you receive an insufficient memory message —  l  Save and close[...]

 A program crashes repeatedly  Check the software documentation — If necessary, uninstall and then reinstall the program.  A program is designed for an earlier Microsoft ® Windows ® operating system  Run the Program Compatibility Wizard —  1. Click Start ® Control Panel ® Programs ® Use an older program with this versi[...]

3. WhentheDELL™logoappears,press<F12>immediately.Select Diagnostics from the start menu and press <Enter>.  4. PressanykeytostarttheDellDiagnosticsfromthediagnosticsutilitypartitiononyourharddrive,andfollowtheinstructionsonthescreen. [...]

Back to Contents Page  Working on Your Computer Dell™Optiplex™960MiniTower/Desktop/SmallFormFactorServiceManual  Recommended Tools  Before Working on Your Computer  After Working on Your Computer This document provides procedures for removing and installing the components in your computer. Unless [...]

 Turning Off Your Computer   1. Shut down the operating system.  2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off.  After Working on Yo[...]