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System Board Assembly
Dell™Vostro™1500andInspiron™1520/1521ServiceManual
Removing the System Board Assembly
Replacing 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 media that provides a utility for transferring the Service Tag to the replacement system board.
Removing the System Board Assembly
1. Follow the instructions in Before You Begin.
2. Remove the optical drive (see Removing the Optical Drive).
3. Remove the hard drive (see Removing the Hard Drive).
4. Remove all Mini-Cards (see Removing a Mini Card).
5. Remove the DIMM B memory module, if installed (see Removing a Memory Module).
6. Remove the hinge cover (see Removing the Hinge Cover).
7. Remove the keyboard (see Removing the Keyboard).
8. Remove the display assembly (see Removing the Display Assembly).
9. Remove the internal card with Bluetooth wireless technology, if installed (see Removing the Bluetooth Card).
10. Remove the palm rest (see Removing the Palm Rest).
11. Remove the DIMM A memory module (see Removing a Memory Module).
12. Remove the modem (see Removing the Modem).
13. Remove the ExpressCard cage (see Removing the ExpressCard Cage).
14. Remove the graphics card assembly, if installed (see Removing the Graphics Card Assembly).
15. Remove the processor thermal-cooling assembly (see Removing the Processor Thermal-Cooling Assembly).
16. Remove the processor (see Removing the Processor Module).
17. Remove the fan (see Removing the Fan).
18. Disconnect the cable for the Bluetooth card with wireless technology from the system board, then remove the cable and set it aside.
19. Disconnect the speaker cable from the system board.
20. Disconnect the sniffer cable/audio cable from the system board.
21. Disconnect the consumer infrared (CIR) cable from the system board.
22. Remove the twelve M2.5 x 5-mm screws from the top of the system board.
CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTE: Depending on your system configuration, the number of screws shown may be greater than the number of screws present in your system.