Dell 620s manuale d’uso

Dell™Inspiron™620sServiceManual    Notes, Cautions, and Warnings Information in this document is subject to change without notice. © 2011DellInc.Allrightsreserved. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarksus[...]

Back to Contents Page  Before You Begin Dell™Inspiron™620sServiceManual  Technical Specifications  Recommended Tools  Turning Off Your Computer  Safety Instructions This manual provides instructions for removing and installing the components in your computer. Unless otherwise noted, each procedure assum[...]

2. Turn off your computer (see Turning Off Your Computer ) and all attached devices.   3. Disconnect all telephone or network cables from the computer.  4. Disconnect your computer and all attached devices from their electrical outlets.  5. Disconnect all attached devices from your computer.  6. Press and eject any installed cards fr[...]

Back to Contents Page  Front Bezel Dell™Inspiron™620sServiceManual  Removing the Front Bezel  Replacing the Front Bezel   Removing the Front Bezel  1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Place the computer in an upright p[...]

 Replacing the Front Bezel  1. Follow the instructions in Before You Begin .  2. Align and insert the front bezel clamps into the front panel slots.  3. Rotate the front bezel towards the computer until the front bezel tabs snap into place.  4. Replace the computer cover (see Replacing the Computer Cover ). Back to Contents Page  [...]

Back to Contents Page  Flashing the BIOS Dell™Inspiron™620sServiceManual The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS:  1. Turn on the computer.  2. Go to support.dell.com/support/downloads.  3. Locate the BIOS update file for your computer. If you hav[...]

Back to Contents Page  PCI Express Cards Dell™Inspiron™620sServiceManual  Removing PCI Express Cards  Replacing PCI Express Cards  Configuring Your Computer After Removing or Installing the PCI Express Card   Removing PCI Express Cards  1. Follow the instructions in Before You Begin .  2. Remove t[...]

l  Press the securing tab down, grasp the card by its top corners, and then ease it out of the connector.  6. If you are removing the card permanently, install a filler bracket in the empty card - slot opening.  Replacing PCI Express Cards  1. Follow the instructions in Before You Begin .  2. Prepare the card for installation. See th[...]

PCI Express x16 card: — The securing tab on the PCI Express x16 card slot may vary based on your computer model. Perform one of the following instructions based on the type of securing tab on the PCI Express x16 card slot. l  Push the securing tab to the side and place the PCI Express card in the slot on the system board and press down firmly.[...]

 4. Replace the card retention bracket (see Replacing the Card Retention Bracket ).  5. Connect any cables that should be attached to the card. See the documentation that shipped with the card for information about the card's cable connections.   6. Replace the computer cover (see Replacing the Computer Cover ).  7. Reconnect th[...]

Back to Contents Page  Card Retention Bracket Dell™Inspiron™620sServiceManual  Removing the Card Retention Bracket  Replacing the Card Retention Bracket   Removing the Card Retention Bracket  1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover [...]

Back to Contents Page  1 release tab 2 card retention bracket[...]

Back to Contents Page  Coin - Cell Battery Dell™Inspiron™620sServiceManual  Removing the Coin - Cell Battery  Replacing the Coin - Cell Battery   Removing the Coin - Cell Battery  1. Record all the screens in system setup (see System Setup ) so that you can restore the correct settings after the new coin -[...]

 3. Replace the computer cover (see Replacing the Computer Cover ).  4. Connect your computer and devices to electrical outlets, and then turn them on.  5. Enter system setup (see System Setup ) and restore the settings you recorded in step 1 . Back to Contents Page  1 coin - cell battery 2 battery socket[...]

Back to Contents Page  Computer Cover Dell™Inspiron™620sServiceManual  Removing the Computer Cover  Replacing the Computer Cover    Removing the Computer Cover  1. Follow the instructions in Before You Begin .  2. Lay the computer on its side with the computer cover facing up.  3. Using a screwdri[...]

 5. Press the computer cover down and slide it towards the front of the computer.  6. Using a screwdriver, replace the two screws that secure the computer cover to the chassis.  7. Place the computer in an upright position. Back to Contents Page  1 computer cover 2 screws (2) 3 slots[...]

Back to Contents Page  Processor Dell™Inspiron™620sServiceManual  Removing the Processor  Replacing the Processor    Removing the Processor  1. Follow the procedures in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).   3. Remove the processor fan and heat - [...]

 Replacing the Processor    1. Follow the procedures in Before You Begin .  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 alignment notches on the proc[...]

 8. Clean the thermal grease from the bottom of the heat - sink.   9. Apply the new thermal grease to the top of the processor.  10. Replace the processor fan and heat - sink assembly (see Replacing the Processor Fan and Heat - Sink Assembly ).   11. Replace the computer cover (see Replacing the Computer Cover ).  12. Connect y[...]

Back to Contents Page  Drives Dell™Inspiron™620sServiceManual  Hard Drive  Optical Drive   Hard Drive  Removing the Hard - Drive Assembly   1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Disconnect the power and data cables[...]

5. If removing the hard drive changes the drive configuration, ensure that you reflect these changes in the system setup (see System Setup ).  Removing the Hard - Drive Bezel  1. Follow the instructions in Before You Begin .  2. Remove the hard - drive assembly (see Removing the Hard - Drive Assembly ).  3. Pull the tabs on the hard - d[...]

 Replacing the Hard - Drive Assembly  1. Follow the instructions in Before You Begin .  2. Check the documentation that shipped with the drive to verify that it is configured for your computer.  3. Place the hard - drive assembly in the hard - drive bay.  4. Press the tab on the hard - drive assembly until the hard - drive assembly s[...]

 6. Set aside the optical drive in a secure location.  Replacing the Optical Drive  1. Follow the instructions in Before You Begin .  2. Remove the screw from the original optical drive and insert it in the new optical drive.  3. Gently slide the optical drive into the optical drive bay through the front of the computer until it snap[...]

Back to Contents Page  Fans Dell™Inspiron™620sServiceManual  Chassis Fan  Processor Fan and Heat - Sink Assembly   Chassis Fan  Removing the Chassis Fan   1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Disconnect the chassi[...]

 4. Connect the chassis fan cable to the system board connector, FAN_SYS1 (see System Board Components ).  5. Replace the computer cover (see Replacing the Computer Cover ).  Processor Fan and Heat - Sink Assembly   Removing the Processor Fan and Heat - Sink Assembly  1. Follow the instructions in Before You Begin .  2. Remove [...]

 5. Align the four captive screws on the processor fan and heat - sink assembly with the screw holes on the system board.  6. Tighten the four captive screws that secure the processor fan and heat - sink assembly to the system board.  7. Connect the processor fan cable to the system board connector, FAN_CPU (see System Board Components ). [...]

Back to Contents Page  Front I/O Panel Dell™Inspiron™620sServiceManual  Removing the Front I/O Panel  Replacing the Front I/O Panel   Removing the Front I/O Panel  1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the front b[...]

 Replacing the Front I/O Panel   1. Follow the instructions in Before You Begin .  2. Align and slide the front I/O panel clamps into the front I/O panel clamp slots.  3. Replace the screw that secures the front I/O panel to the front panel.  4. Connect the front I/O panel cables to the system board connectors, AUDIOF1, USBF1, and[...]

Back to Contents Page  Memory Module(s) Dell™Inspiron™620sServiceManual  Removing the Memory Module(s)  Replacing the Memory Module(s)   Removing the Memory Module(s)  1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Locate the mem[...]

  4. Insert the memory module into the connector until the memory module snaps into position. If you insert the memory module correctly, the securing clips snap into the cutouts at each end of the memory module.  5. Replace the computer cover (see Replacing the Computer Cover ).  6. Connect your computer and devices to electrical outlet[...]

Back to Contents Page  Power Supply Dell™Inspiron™620sServiceManual  Removing the Power Supply  Replacing the Power Supply   Removing the Power Supply  1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Disconnect the DC power cables[...]

 4. Replace the three screws that secure the power supply to the chassis.  5. Connect the DC power cables to the system board and drives (see System Board Components ).  6. Replace the computer cover (see Replacing the Computer Cover ).  7. Connect your computer and devices to electrical outlets, and turn them on. Back to Contents Page [...]

Back to Contents Page  Power Button Module Dell™Inspiron™620sServiceManual  Removing the Power Button Module  Replacing the Power Button Module   Removing the Power Button Module  1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Re[...]

 3. Connect the power button module cable to the system board connector, LEDH1 (see System Board Components ).  4. Replace the front bezel (see Replacing the Front Bezel ).  5. Replace the computer cover (see Replacing the Computer Cover ).  6. Connect your computer and devices to electrical outlets and turn them on. Back to Contents Pa[...]

Back to Contents Page  System Board Dell™Inspiron™620sServiceManual  Removing the System Board  Replacing the System Board  Entering the Service Tag in the BIOS   Removing the System Board  1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Co[...]

9. Lift the system board up and out of the chassis.  10. Compare the system board that you removed with the replacement system board to ensure that they are identical.  Replacing the System Board  1. Follow the instructions in Before You Begin .  2. Gently place the system board into the chassis and slide it towards the back of the comp[...]

Back to Contents Page  System Setup Dell™Inspiron™620sServiceManual  Overview  Clearing Forgotten Passwords  Clearing CMOS Passwords  Overview Use the system setup to: l  Change the system configuration information after you add, change, or remove any hardware in your computer l  Set or change a user[...]

Processor Information Processor Type Displays the processor type L2 Cache Displays the L2 cache size L3 Cache Displays the L3 cache size Memory Information Memory Installed Indicates the amount of memory installed in MB Memory Speed Indicates the memory speed in MHz Memory Technology Indicates the type of installed memory Memory Channel Indicates s[...]

 Boot Sequence This feature allows you to change the boot sequence for devices.  Boot Options l  USB Floppy — The computer attempts to boot from the USB floppy disk drive. If no operating system is on the floppy disk, the computer generates an error message. l  Hard Drive — The computer attempts to boot from the primary hard drive. [...]

 3. Press the up - and down - arrow keys to move through the list of devices.  4. Press plus (+) or minus ( – ) to change the boot priority of the device.  Clearing Forgotten Passwords    1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Locate the 3 - pi[...]

   1. Follow the instructions in Before You Begin .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Locate the 3 - pin CMOS reset jumper (CMOSCLR1) on the system board (see System Board Components ).  4. Remove the 2 - pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.  5. Wait for approximately[...]

Back to Contents Page  Technical Overview Dell™Inspiron™620sServiceManual  Inside View of Your Computer  System Board Components   Inside View of Your Computer  System Board Components WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional [...]

Back to Contents Page  1 power connector (ATX12V) 2 processor socket 3 processor fan connector (FAN_CPU) 4 memory module connector (DIMM1) 5 memory module connector (DIMM2) 6 main power connector (ATX) 7 power button connector (LEDH1) 8 internal speaker connector (INTSPKR1) 9 SATA drive connector (SATA 2) 10 chassis fan connector (FAN_SYS1) 11 S[...]