80 | Replacing the System Board
17 Replace the graphics-card heat sink fan. See "Replacing the Graphics-Card Heat Sink
Fan" on page 28.
18 Replace the coin-cell battery. See "Replacing the Coin-Cell Battery" on page 17.
19 Replace the hard drive(s). See "Replacing the Hard Drive(s)" on page 21.
20 Replace the compartment door. See "Replacing the Compartment Door" on page 15.
21 Replace the battery pack. See "Replacing the Battery Pack" on page 13.
22 Replace any cards or blank that you removed from the 9-in-1 Media Card Reader.
23 Follow the instructions in "After Working Inside Your Computer" on page 11.
24 Turn on the computer.
NOTE: After you have replaced the system board, enter the computer Service
Tag into the BIOS of the replacement system board.
25 Enter the service tag. See "Entering the Service Tag in the BIOS" on page 80.
Entering the Service Tag in the BIOS
1Ensure that the AC adapter is plugged in and that the main battery is installed
properly.
2Turn on the computer.
3Press <F2> during POST to enter the system setup program.
4Navigate to the security tab and enter the service tag in the Set Service Tag field.