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Dell E520 manual

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  • Page 1

    Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/index.htm[10/16/2012 1:04:33 PM] Dell™ Dimension™ E520 Service Manual Before You Begin About Your Computer Technical Overview Specifications Advanced Troubleshooting System Setup Removing and Installing Parts Notes, Notices, and Cautions NOTE: A NOTE indicates importa[...]

  • Page 2

    Before You Begin: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/before.htm[10/16/2012 1:04:35 PM] Back to Contents Page Before You Begin Dell™ Dimension™ E520 Service Manual Getting Started Recommended Tools Turning Off Your Computer Before Working Inside Your Computer Getting Started This manual provides procedu[...]

  • Page 3

    Before You Begin: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/before.htm[10/16/2012 1:04:35 PM] Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety. CAUTION: Before you begin any of the procedures in this section, follow the safety inst[...]

  • Page 4

    About Your Computer: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/about.htm[10/16/2012 1:04:38 PM] Back to Contents Page About Your Computer Dell™ Dimension™ E520 Service Manual Front View of the Computer Back View of the Computer Back Panel Connectors Front View of the Computer 1 Service Tag Use the Service Tag[...]

  • Page 5

    About Your Computer: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/about.htm[10/16/2012 1:04:38 PM] drive 6 vents For adequate cooling, do not block any of the vents. NOTICE: Ensure that there is a minimum of two inches of space between all vents and any objects near the vents. NOTICE: Keep the vent area clean and du[...]

  • Page 6

    About Your Computer: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/about.htm[10/16/2012 1:04:38 PM] 1 power connector Insert the power cable. 2 back I/O connectors Plug USB, network, VGA monitor, and audio devices into the appropriate connectors (see Back Panel Connectors ). 3 card slots (4) Access connectors for ins[...]

  • Page 7

    About Your Computer: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/about.htm[10/16/2012 1:04:38 PM] Use the network adapter connector to attach your computer to a network or broadband device. Connect one end of a network cable to either a network jack or your network or broadband device, and then connect the other en[...]

  • Page 8

    About Your Computer: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/about.htm[10/16/2012 1:04:38 PM] 12 VGA connector Use the integrated video connector to attach your video monitor (optional). On computers with a video card, use the connector on the card. Back to Contents Page[...]

  • Page 9

    Technical Overview: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/techov.htm[10/16/2012 1:04:43 PM] Back to Contents Page Technical Overview Dell™ Dimension™ E520 Service Manual Inside View of Your Computer System Board Components Power Supply DC Connector Pin Assignments Inside View of Your Computer 1 power supp[...]

  • Page 10

    Technical Overview: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/techov.htm[10/16/2012 1:04:43 PM] 1 CPU fan connector 2 processor and heat sink connector 3 processor power connector 4 memory module connectors 5 battery socket (BATTERY) 6 SATA Connectors SATA0 and SATA1 7 front panel I/O connector 8 main power conne[...]

  • Page 11

    Technical Overview: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/techov.htm[10/16/2012 1:04:43 PM] DC Power Connector P1 Pin Number Signal Name Color Wire Gauge 1 +3.3 VDC Orange 18 - AWG 2 +3.3 VDC Orange 18 - AWG 3 COM Black 18 - AWG 4 +5 VDC Red 18 - AWG 5 COM Black 18 - AWG 6 +5 VDC Red 18 - AWG 7 COM Black 18 -[...]

  • Page 12

    Technical Overview: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/techov.htm[10/16/2012 1:04:43 PM] 10 +12 VB DC White 18 - AWG 11 +12VB DC White 18 - AWG 12 +3.3 VDC Orange 18 - AWG 13 +3.3 VDC Orange 18 - AWG 14 - 12 VDC Blue 18 - AWG 15 COM Black 18 - AWG 16 PS - ON Green 18 - AWG 17 COM Black 18 - AWG 18 COM Blac[...]

  • Page 13

    Technical Overview: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/techov.htm[10/16/2012 1:04:43 PM] 4 COM Black 5 +12 VB DC White DC Power Connector P7 Pin Number Signal Name 18 -AWG Wire 1 +5 VDC Red 2 COM Black 3 COM Black 4 +12 A VDC Yellow DC Power Connector P10 Pin Number Signal Name 18 -AWG Wire 1 +12 VA DC Yel[...]

  • Page 14

    Specifications: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/specs.htm[10/16/2012 1:04:46 PM] Back to Contents Page Specifications Dell™ Dimension™ E520 Service Manual Processor Processor type Intel® Pentium® 4 Intel® Pentium® D Intel® Core™ 2 Duo NOTE: Not all Pentium 4 processors support Hyper- Threadin[...]

  • Page 15

    Specifications: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/specs.htm[10/16/2012 1:04:46 PM] BIOS chip (NVRAM) 4 MB NIC integrated network interface capable of 10/100 communication System clock 533- MHz, 800 -MHz, or 1066 -MHz data rate Video Type integrated Intel® Graphics Media Accelerator X3000 (Intel® GMA X30[...]

  • Page 16

    Specifications: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/specs.htm[10/16/2012 1:04:46 PM] Internally accessible: two bays for 1- inch high serial ATA hard drives Connectors External connectors: Video 15 - hole connector Network adapter RJ - 45 connector USB two front- panel and six back - panel USB 2.0 -complian[...]

  • Page 17

    Specifications: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/specs.htm[10/16/2012 1:04:46 PM] Maximum heat dissipation 1040 BTU/hr Voltage (see the safety instructions located in the Product Information Guide for important voltage setting information) Manually selectable: 90 to 135 V and 180 to 265 V at 50/60 Hz Bac[...]

  • Page 18

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] Back to Contents Page Advanced Troubleshooting Dell™ Dimension™ E520 Service Manual Power Lights Diagnostic Lights Beep Codes System Messages Dell Diagnostics Drivers Resolving Software and Hardware Incompa[...]

  • Page 19

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] Diagnostic Lights CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide . To help you troubleshoot a problem, your computer has four [...]

  • Page 20

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] compatibility error has occurred. (see Memory ). If the problem persists, contact Dell (see "Contacting Dell" in your Owner's Manual ). A possible expansion card failure has occurred. 1 . Determi[...]

  • Page 21

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] 3-1- 1 Slave DMA register failure 3-1- 2 Master DMA register failure 3-1- 3 Master interrupt mask register failure 3-1- 4 Slave interrupt mask register failure 3-2- 2 Interrupt vector loading failure 3-2- 4 Key[...]

  • Page 22

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] CMOS Checksum Failure CMOS System Options Not Set CMOS Display Type Mismatch CMOS Memory Size Mismatch CMOS Time and Date Not Set information in the system setup program is incorrect or the battery charge may b[...]

  • Page 23

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] 2 . When the DELL logo appears, press <F12> immediately. NOTE: Keyboard failure may result when a key is held down for extended periods of time. To avoid possible keyboard failure, press and release <F[...]

  • Page 24

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] (Custom Test only) The Dell Diagnostics obtains configuration information for all devices from system setup, memory, and various internal tests, and it displays the information in the device list in the left pa[...]

  • Page 25

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] NOTICE: The Dell Support website at support.dell.com provides approved drivers for your Dell™ computer. If you install drivers obtained from other sources, your computer may not function properly. Using Windo[...]

  • Page 26

    Advanced Troubleshooting: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/adtshoot.htm[10/16/2012 1:04:50 PM] If a device is not detected during the operating system setup or is detected but incorrectly configured, you can use the Hardware Troubleshooter to resolve the incompatibility. To resolve incompatibilities usin[...]

  • Page 27

    System Setup: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM] Back to Contents Page System Setup Dell™ Dimension™ E520 Service Manual Overview Entering System Setup System Setup Options Boot Sequence Clearing Forgotten Passwords Clearing CMOS Settings Flashing the BIOS Overview U[...]

  • Page 28

    System Setup: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM] Options List — This field appears on the left side of the system setup window. The field is a scrollable list containing features that define the configuration of your computer, including installed hardware, power conser[...]

  • Page 29

    System Setup: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM] SATA Operation Identifies and defines the SATA controller settings for RAID. You can set the SATA controller to RAID Autodetect/ATA or RAID On . Onboard Devices Integrated NIC You can set the NIC to On (default), Off , or [...]

  • Page 30

    System Setup: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM] Power Management AC Recovery Determines what happens when AC power is restored to the computer. Auto Power On Sets the computer to automatically turn on. Choices are every day or every Monday through Friday . The default s[...]

  • Page 31

    System Setup: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM] NOTE: The computer attempts to boot from all bootable devices, but if no bootable device is found, the computer generates an error message that states No boot device available . Press the <F1> key to retry the boot, [...]

  • Page 32

    System Setup: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM] NOTE: Write down your current boot sequence in case you want to restore it. 3 . Press the up - and down - arrow keys to move through the list of devices. 4 . Press the spacebar to enable or disable a device. Enabled device[...]

  • Page 33

    System Setup: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM] 11 . Replace the computer cover (see Replacing the Computer Cover ). NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer. 12 . Connect your computer and devic[...]

  • Page 34

    System Setup: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/syssetup.htm[10/16/2012 1:04:54 PM] The file downloads to your desktop. 7 . Click Close when the Download Complete window appears. The file icon appears on your desktop and is titled the same as the download BIOS update file. 8 . Double - click the file icon[...]

  • Page 35

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] Back to Contents Page Removing and Installing Parts Dell™ Dimension™ E520 Service Manual Removing the Computer Cover Inside View of Your Computer System Board Components Memory Cards Drive Panel Drives Ha[...]

  • Page 36

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 cover latch release 2 computer cover 3 back of computer 4 bottom hinges 4 . Locate the three hinge tabs on the bottom edge of the computer. 5 . Grip the sides of the computer cover and pivot the cover up, u[...]

  • Page 37

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 floppy drive 2 CD or DVD drive 3 power supply 4 system board 5 processor shroud and heat sink 6 processor fan 7 hard drive System Board Components[...]

  • Page 38

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 processor fan connector (CPUFAN) 2 processor connector (CPU) 3 power connector (POWER12V) 4 memory module connectors (2,4) 5 memory module connectors (1,3) 6 battery socket (BATTERY) 7 SATA connector (SATA1[...]

  • Page 39

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] Memory 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, [...]

  • Page 40

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 Channel A: matched pair of memory modules in connectors DIMM_1 and DIMM_2 (white securing clips) 2 Channel B: matched pair of memory modules in connectors DIMM_3 and DIMM_4 (black securing clips) NOTICE: If[...]

  • Page 41

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 cutouts (2) 2 memory module 3 notch 4 crossbar NOTICE: To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the module. 5 . Inse[...]

  • Page 42

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 3 . Press out the securing clip at each end of the memory module connector. 4 . Grasp the module and pull up. If the module is difficult to remove, gently ease the module back and forth to remove it from the [...]

  • Page 43

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 release tab 2 card retention door 3 . Gently push the release tab on the card retention door from the inside to pivot the door open. The door is hinged and will remain in the open position. 4 . If you are i[...]

  • Page 44

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 alignment bar 2 fully seated card 3 not fully seated card 4 alignment guide 5 bracket within slot 6 bracket caught outside of slot 8 . Before you close the card retention door, ensure that: The tops of all [...]

  • Page 45

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can prevent the computer cover from closing properly or cause damage to the equipment. 10 . On a new card, connect any c[...]

  • Page 46

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 8 . Remove any drivers required for the card as described in the card documentation. 9 . If you removed a sound card: a . Enter system setup (see System Setup ), select Audio Controller , and then change the [...]

  • Page 47

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 4 . If your computer includes a card retention mechanism to secure the x16 card in place from the top: a . Pivot the mechanism upward and gently squeeze in on the sides to release the mechanism from the two t[...]

  • Page 48

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 alignment bar 2 fully seated card 3 not fully seated card 4 alignment guide 5 bracket within slot 6 bracket caught outside of slot 10 . Ensure that: The tops of all cards and filler brackets are flush with [...]

  • Page 49

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 13 . Reconnect the computer and devices to electrical outlets, and then turn them on. 14 . If you installed a sound card: a . Enter system setup (see System Setup ), select Audio Controller , and then change [...]

  • Page 50

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] a . Enter system setup (see System Setup ), select Integrated NIC , and then change the setting to On . b . Connect the network cable to the integrated connector on the back panel of the computer. Drive Panel[...]

  • Page 51

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 5 . Set the drive panel aside. Removing the Drive - Panel Insert 1 drive panel 2 drive - panel insert tab 3 drive - panel insert 1 . Press the drive - panel insert tab towards the center of the drive - panel [...]

  • Page 52

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] Installing the Drive Panel 1 . Follow the procedures in Before You Begin . 1 sliding plate lever 2 sliding plate 3 drive panel 2 . Align the drive panel tabs with the side door hinges. 3 . Rotate the drive pa[...]

  • Page 53

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 CD/DVD drive 2 FlexBay for optional floppy drive or optional Media Card Reader 3 hard drive Connect serial ATA hard drives to connectors labeled "SATA0" or "SATA1" on the system board. C[...]

  • Page 54

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] the board or card. 1 interface cable 2 interface connector Hard Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide . CAUTION[...]

  • Page 55

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 serial ATA data cable 2 power cable 4 . Press in on the blue tabs on each side of the drive and slide the drive up and out of the computer. 1 tabs (2) 2 hard drive 5 . If removing this drive changes the dri[...]

  • Page 56

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] NOTE: If your replacement hard drive does not have the hard drive bracket attached, remove the bracket from the old drive by unsnapping it from the drive. Snap the bracket onto the new drive. 1 drive 2 hard -[...]

  • Page 57

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] SATA 0 through 5, set the SATA ports to the correct configuration. See the documentation that came with the drive for instructions on installing any software required for drive operation. Adding a Second Hard[...]

  • Page 58

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] and under SATA 0 through 5, set the SATA port to " ON " for the hard drive you just installed to enable the drive. See the documentation that came with the drive for instructions on installing any s[...]

  • Page 59

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 drive release latch 2 sliding plate 3 floppy drive 7 . If you are not replacing the drive, reinstall the drive panel insert (see Installing the Drive- Panel Insert ). 8 . If you are not replacing the drive,[...]

  • Page 60

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 floppy drive 2 shoulder screws (4) 5 . Gently slide the drive into place until you feel a click or feel the drive securely installed. 6 . Attach the power and data cables to the floppy drive. 7 . Connect th[...]

  • Page 61

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 11 . Connect your computer and devices to their electrical outlets, and then turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operati[...]

  • Page 62

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 drive release latch 2 sliding plate 3 Media Card Reader 5 . Pull the sliding plate to the right, then slide the drive out the front of the computer. 6 . Replace the drive panel insert, as needed (see Instal[...]

  • Page 63

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] Reader. 1 Media Card Reader 2 screws (4) 7 . Gently slide the Media Card Reader into place until you feel a click or feel the drive securely installed. Ensure that the Media Card Reader is installed before th[...]

  • Page 64

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] CD/DVD Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide . CAUTION: To guard against electrical shock, always unplu[...]

  • Page 65

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 drive release latch 2 sliding plate 3 CD/DVD drive Installing a CD/DVD Drive 1 . Follow the procedures in Before You Begin . 2 . Remove the computer cover (see Removing the Computer Cover ). 3 . If you are [...]

  • Page 66

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 CD/DVD drive 2 screws (3) 6 . Connect the power cable to the drive. 7 . Connect the CD/DVD data cable to the drive and to the SATA4 connector on the system board (see System Board Components ). NOTE: If you[...]

  • Page 67

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 9 . Replace the drive panel (see Installing the Drive Panel ). 10 . Replace the computer cover (see Replacing the Computer Cover ). NOTICE: To connect a network cable, first plug the cable into the network de[...]

  • Page 68

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 battery release lever 2 battery (positive side) 7 . Replace the computer cover (see Replacing the Computer Cover ). NOTICE: To connect a network cable, first plug the cable into the network device and then [...]

  • Page 69

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 release tab 2 power supply 3 screws (4) 4 AC power connector Installing the Power Supply CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Inform[...]

  • Page 70

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching a[...]

  • Page 71

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 heat sink and fan shroud assembly 2 captive screw housing (2) NOTICE: If you are installing a processor upgrade kit from Dell, discard the original heat sink. If you are not installing a processor upgrade k[...]

  • Page 72

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] Leave the release lever extended in the release position so that the socket is ready for the new processor. Installing the Processor NOTICE: Ground yourself by touching an unpainted metal surface on the back [...]

  • Page 73

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 7 . Pivot the socket release lever back toward the socket and snap it into place beneath the securing tab. NOTICE: If you are not installing a processor upgrade kit from Dell, reuse the original heat sink ass[...]

  • Page 74

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] operation. Be sure that they have had sufficient time to cool before you touch them. I/O - Panel Components 1 USB port 2 diagnostic, hard drive activity, and network lights 3 headphone connector 4 microphone [...]

  • Page 75

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 1 mounting screw 2 I/O panel Installing the I/O Panel Follow the removal procedure ( Removing the I/O Panel ) in reverse order. If the old I/O panel has a jumper block, move it to the new I/O panel, unless th[...]

  • Page 76

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] a . Pivot the mechanism upward and gently squeeze in on the sides to release the mechanism from the two tab slots holding it in place. b . Set the retention mechanism aside. 4 . Unhook the floppy drive cable [...]

  • Page 77

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 9 . Ensure that all cables have been removed from the routing clips on the top of the system fan assembly. 1 fan release lever 2 fan release lever tab 3 processor fan 10 . The fan has two release levers. One [...]

  • Page 78

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted me[...]

  • Page 79

    Removing and Installing Parts: Dell Dimension E520 Service Manual file:///T|/htdocs/systems/dimE520/en/SM_EN/parts.htm[10/16/2012 1:05:24 PM] 6 . Reconnect all cables to their connectors at the back of the computer. 7 . Replace the computer cover (see Replacing the Computer Cover ). NOTICE: To connect a network cable, first plug the cable into the [...]