Dell Latitude D520 - Manual (Page 39)

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System Board Assembly
Dell™ Latitude™ D520 Service Manual
Removing the System Board Assembly
Replacing the System Board Assembly
Removing the System Board Assembly
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 for the
system board includes a CD that provides a utility for transferring the Service Tag to the replacement system board.
1. Follow the instructions in Before You Begin .
2. Remove the hard drive (see Removing the Hard Drive ).
3. Remove the media bay device (see Media Bay ).
4. Remove the memory module(s) (see Memory ).
5. Remove the modem (see Removing the Modem ).
6. Remove the Mini-Card (see Mini-Card ).
7. Remove the hinge cover (see Hinge Cover ).
8. Remove the keyboard (see Removing the Keyboard ).
9. Remove the display assembly (see Removing the Display Assembly ).
10. Remove the processor thermal-cooling assembly (see Removing the Processor Thermal-Cooling Assembly ).
11. Remove the processor (see Removing the Processor Module ).
12. Remove the palm rest (see Removing the Palm Rest ).
13. Remove the speaker assembly (see Removing the Speaker Assembly ).
14. Remove the two M2.5 x 5-mm screws labeled "B."
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such
as the back panel) on the computer.
NOTICE: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer ) before working inside the
computer.
NOTE: It is not required but is highly recommended that you remove the system fan (see System Fan ) to allow easier access to the system board.