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System Board Assembly
Service Manual
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 base of the computer. The replacement kit for the
system board includes media that provide a utility for transferring the Service Tag to the replacement system board.
Removing the System Board Assembly
CAUTION:
Before you begin the following procedure, follow the safety instructions that shipped with your computer.
1. Follow the instructions in
Before Working on Your
2. Remove the hard drive (see
3. Remove the WLAN card (see
4. Remove the fan (see
Removing the
5. Remove the hinge cover (see
6. Remove the keyboard (see
7. Remove the display assembly (see
8. Remove the palm rest (see
9. Remove the internal card with Bluetooth® wireless technology, if installed (see
10. Remove the optical drive (see
11. Disconnect the USB daughter-card cable from the system board.
12. Disconnect the DC-power cable from the system board.
13. Disconnect the speaker cable from the system board.
14. Remove any cards or blanks that may be installed in the ExpressCard slot or the 8-in-1 card slot.
15. Remove the three M2.5 x 5-mm screws from the system board.
16. Lift the right edge of the system board, and then carefully lift the system board out of the computer.
1 ExpressCard slot
2 8-in-1 card slot
Computer.
Removing the Hard
Drive).
Removing a WLAN
Card).
Fan).
Removing the Hinge
Cover).
Removing the
Keyboard).
Removing the Display
Assembly).
Removing the Palm
Rest).
Removing the Optical
Drive).
Removing the
Card).