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Replacing the system board assembly
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the Quick Reference that was included with your computer or in the
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Quick
Reference or the HMM, go to the Support Web site at
http://www.lenovo.com/think/support.
To replace the system board assembly:
1. Turn off the computer and allow the computer to cool for one hour.
2. Open the computer cover. See “Opening the cover” on page 5.
3. Pivot the drive bay assembly upward to gain access to the system board.
8 Hardware Replacement Guide