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15. Remove the seven silver Torx screws (circled in image) that secure the system board to the
computer.
Figure 6-50 Removing the system board
16. Lift the system board straight up and out of the computer.
NOTE: Before returning the defective system board, remove the CPU cover from the replacement
system board and install it on the defective system board.
To install the system board, reverse the removal procedures.
Updating SMBIOS Information
When replacing the system board, you must reprogram the SMBIOS information on the affected
computer. Failure to reprogram the board will result in eventual failure, such as an activation failure
(need to reactivate the system) or a system recovery failure.
To update SMBIOS information in Computer Setup:
1. Turn on or restart the computer.
2. Press Esc while the “Press the ESC key for Startup Menu” message is displayed at the bottom
of the screen.
NOTE: If you do not press Esc at the appropriate time, you must restart the computer and
again press Esc when the monitor light turns green to access the utility.
3. Press F10 to enter Computer Setup.
68 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis