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Dell D620 manual

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Table of contents for the manual

  • Page 1

    Dell™Latitude™D620ServiceManual Model PP18L  Notes, Notices, and Cautions Information in this document is subject to change without notice. © 2006DellInc.Allrightsreserved. Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: D[...]

  • Page 2

    Back to Contents Page  Base Dell™Latitude™D620ServiceManual    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hard drive (see Hard Drive ).  3. Remove any installed media bay device (see Media Bay Devices ).  4. Remove the memory module(s) (see Memory ).  5. Remove any i[...]

  • Page 3

    [...]

  • Page 4

    Back to Contents Page  Before You Begin Dell™Latitude™D620ServiceManual  Recommended Tools  Turning Off Your Computer  Before Working Inside Your Computer  Computer Orientation  Screw Identification This chapter provides procedures for removing and installing the components in your computer. Unles[...]

  • Page 5

     3. Disconnect any telephone, network, and USB cables from the computer.  4. Disconnect your computer and all attached devices from their electrical outlets.  5. Turn over the computer.  6. Remove the battery: a.  Slide the two battery - bay latch releases on the bottom of the computer toward the sides of the computer until they are [...]

  • Page 6

    Back to Contents Page  Optical Drive: (1 each)  NOTE: This screw is optional and might not be installed on the computer. Fan Module: (4 each) Display Assembly to Computer Base: (4 each)  Modem to System Board: (2 each) Display Bezel: (6 each)  Display Panel: (8 each)  Top of Palm Rest to Computer Base: (3 each)  Base Plastics to P[...]

  • Page 7

    Back to Contents Page  Flashing the BIOS Dell™Latitude™D620ServiceManual  Flashing the BIOS From a CD  Flashing the BIOS From the Hard Drive If a BIOS - update program CD is provided with the new system board, flash the BIOS from the CD. If you do not have a BIOS - update program CD, flash the BIOS from the hard dr[...]

  • Page 8

    Back to Contents Page  Internal Card with Bluetooth ® Wireless Technology Dell™Latitude™D620ServiceManual  If you ordered an internal card with Bluetooth wireless technology with your computer, it is already installed.  1. Follow the procedures in Before You Begin .  2. Remove the hinge cover (see Hinge Cover ). ?[...]

  • Page 9

    Back to Contents Page  Coin - Cell Battery Dell™Latitude™D620ServiceManual   1. Follow the procedures in Before You Begin .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove the keyboard (see Keyboard ).  4. Remove the coin - cell battery connector from the connector on the system board.  5. Being car[...]

  • Page 10

    Back to Contents Page  Processor Module Dell™Latitude™D620ServiceManual  Removing the Processor Module  Installing the Processor Module  Removing the Processor Module    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove th[...]

  • Page 11

     Installing the Processor Module  1. Align the pin - 1 corner of the processor module so that it points to the triangle on the system board, and insert the processor module into the ZIF socket. When the processor module is correctly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than t[...]

  • Page 12

    Back to Contents Page  Display Assembly Dell™Latitude™D620ServiceManual  Removing the Display Assembly  Removing the Display Bezel  Removing the Display Panel  Installing the Display Panel  Removing the Display Hinges  Removing the Display Assembly    1. Follow the instructions in Befo[...]

  • Page 13

     12. Lift the display assembly out of the computer base.  Removing the Display Bezel    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the display assembly (see Display Assembly ).  3. Use a plastic scribe to pry the six circular screw covers/bumpers out of the screw holes on the front of the bez[...]

  • Page 14

     Removing the Display Panel    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the display assembly (see Display Assembly ).  3. Remove the display bezel (see Removing the Display Bezel ).  4. Remove the four M2 x 3 - mm screws from each side of the display panel.  5. Lift the display panel out[...]

  • Page 15

     Installing the Display Panel  1. Replace the eight M2 x 3 - mm screws that secure the display panel to the top cover.  2. Route the display - feed flex cable and antenna cables so that they rest in the notch located in the bottom edge of the top cover.  3. Replace the display bezel.  Removing the Display Hinges    1. Follow[...]

  • Page 16

    Back to Contents Page  Fan Dell™Latitude™D620ServiceManual    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hard drive (see Hard Drive ).  3. Remove any installed media bay device (see Media Bay Devices ).  4. Remove the memory module(s) (see Memory ).  5. Remove any in[...]

  • Page 17

    Back to Contents Page [...]

  • Page 18

    Back to Contents Page  Hard Drive Dell™Latitude™D620ServiceManual   To replace the hard drive in the hard drive bay:  1. Follow the procedures in Before You Begin .  2. Turn the computer over, and remove the two hard drive screws.  3. Slide the hard drive out of the computer.  4. Remove the new drive from its[...]

  • Page 19

    Back to Contents Page  Hinge Cover Dell™Latitude™D620ServiceManual   1. Follow the procedures in Before You Begin .  2. Turn the computer top - side up, and then open the display all the way (180 degrees) so that the display rests on your work surface.  3. Starting on the right side of the computer, use a plastic s[...]

  • Page 20

    Back to Contents Page  Keyboard Dell™Latitude™D620ServiceManual  Removing the Keyboard  Replacing the Keyboard  Removing the Keyboard    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove the three screws at the top of the [...]

  • Page 21

    Back to Contents Page  1 keyboard 2 system board connector  [...]

  • Page 22

    Back to Contents Page  Memory Dell™Latitude™D620ServiceManual  DIMM A  DIMM B  Your computer has two user - accessible SODIMM sockets, one accessed from beneath the keyboard (DIMM A), and the other accessed from the bottom of the computer (DIMM B).  DIMM A  1. Follow the procedures in Before You Begin . ?[...]

  • Page 23

     5. Ground yourself and install the new memory module: a.  Align the notch in the module connector with the tab in the connector slot. b.  Slide the module firmly into the slot at a 45 - degree angle, and rotate the module down until it clicks into place. If you do not feel the click, remove the module and reinstall it.  DIMM B  1. F[...]

  • Page 24

     4. Ground yourself and install the new memory module: a.  Align the notch in the module edge connector with the tab in the connector slot. b.  Slide the module firmly into the slot at a 45 - degree angle, and rotate the module down until it clicks into place. If you do not feel the click, remove the module and reinstall it.  5. Replace[...]

  • Page 25

    Back to Contents Page  Communications Cards Dell™Latitude™D620ServiceManual  Wireless Local Area Network (WLAN) Card  Mobile Broadband Card  Subscriber Identity Module (SIM) Card  Wireless Local Area Network (WLAN) Card If you ordered a WLAN card with your computer, the card is already installed.   1[...]

  • Page 26

     5. To install a WLAN card: a.  Move any antenna cables out of the way to make space for the WLAN card. b.  Align the WLAN card with the connector at a 45 - degree angle, and press the card into the connector until you feel a click. c.  Connect the antenna cables to the WLAN card, ensuring that you route the cables correctly.  Mobile[...]

  • Page 27

    1. Follow the procedures in Before You Begin .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove the keyboard (see Keyboard ).  4. If a Mobile Broadband card is not already installed, go to step 5. If you are replacing a Mobile Broadband card, remove the existing card: a.  Disconnect the Mobile Broadband card from any attached c[...]

  • Page 28

     6. Connect the antenna cable or cables to the Mobile Broadband card, ensuring that you route the cables correctly.  Subscriber Identity Module (SIM) Card   1. Follow the procedures in Before You Begin .  2. With the cut - off corner on the card facing away from the card compartment, insert the SIM card into the compartment so that i[...]

  • Page 29

    Back to Contents Page  Modem Dell™Latitude™D620ServiceManual    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove the optical drive (see Media Bay Devices ).  4. Remove the keyboard (see Keyboard ).  5. Remove the coin - cell batte[...]

  • Page 30

    Back to Contents Page  Microphone Dell™Latitude™D620ServiceManual    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove the optical drive (see Media Bay Devices ).  4. Remove the keyboard (see Keyboard ).  5. Remove the coin - cell [...]

  • Page 31

    Back to Contents Page  Media Bay Devices Dell™Latitude™D620ServiceManual  1. If present, remove the device security screw from the bottom of the computer.  2. If the computer is running, double - click the Safely Remove Hardware icon on the taskbar, click the device you want to eject, and click Stop .  3. Press the de[...]

  • Page 32

    Back to Contents Page  Palm Rest Dell™Latitude™D620ServiceManual    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove any devices installed in the media bay (see Media Bay Devices ).  4. Remove the keyboard (see Keyboard ).  5. Rem[...]

  • Page 33

     13. Remove the palm rest. a.  Starting at the back center of the palm rest, use your fingers to separate the palm rest from the base plastics by lifting the inside edge of the palm rest. b.  After the back of the palm rest is unsnapped, push the palm rest forward to unhook the remainder of the palm rest from the front of the base.  14.[...]

  • Page 34

    Back to Contents Page  PC Card Reader Dell™Latitude™D620ServiceManual    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove the optical drive (see Media Bay Devices ).  4. Remove the keyboard (see Keyboard ).  5. Remove the coin - c[...]

  • Page 35

    Back to Contents Page  Speaker Dell™Latitude™D620ServiceManual    1. Follow the instructions in Before Working Inside Your Computer .  2. Remove the hinge cover (see Hinge Cover ).  3. Remove the optical drive (see Media Bay Devices ).  4. Remove the keyboard (see Keyboard ).  5. Remove the coin - cell bat[...]

  • Page 36

    Back to Contents Page  System Board Dell™Latitude™D620ServiceManual  Removing the System Board  Installing the System Board  Removing the System Board   The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit fo[...]

  • Page 37

     19. Remove the four 5 - mm hex screws on the back of the computer.  20. Lift the system board out and away from the base plastics.  Installing the System Board  1. Perform all the steps in Removing the System Board in reverse order.   1 M2.5 x 5 - mm screws (5)   NOTE: When installing the system board, ensure that you align[...]

  • Page 38

     2. Insert the battery into the battery bay. See Before Working Inside Your Computer .  3. Connect the AC adapter to the computer and to an electrical outlet.  4. Turn on the computer.  5. Insert the CD that accompanied the replacement system board into the appropriate drive. Follow the instructions on the screen. Back to Contents Page [...]

  • Page 39

    Back to Contents Page  System Components Dell™Latitude™D620ServiceManual  CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: Unless otherwise noted, each procedure in this document assumes that [...]

  • Page 40

    Back to Contents Page  17 processor thermal - cooling assembly 18 Mobile Broadband card 19 WLAN card 20 display - feed flex cable 21 antenna cables 22 display hinge[...]

  • Page 41

    Back to Contents Page  Processor Thermal - Cooling Assembly Dell™Latitude™D620ServiceManual  Removing the Processor Thermal - Cooling Assembly  Replacing the Processor Thermal - Cooling Assembly  Removing the Processor Thermal - Cooling Assembly    1. Follow the instructions in Before Working Inside You[...]

  • Page 42

     1. Remove the processor thermal - cooling assembly (see Processor Thermal - Cooling Assembly ).  2. Peel the backing off the thermal cooling pad and adhere the pad to the portion of the thermal - cooling assembly that covers the processor.  3. Place the assembly on the system board.  4. Tighten in consecutive order the four captive scr[...]

  • Page 43

    Back to Contents Page Dell™Latitude™D620ServiceManual Information in this document is subject to change without notice. © 2006DellInc.Allrightsreserved. Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell , the DELL logo, an[...]