Lenovo THINKCENTRE 6396 - Manual (Page 85)

Chapter 8. Replacing FRUs
This chapter provides step-by-step instructions for replacing major FRUs.
Important
Before you replace any FRU, read Chapter 2, “Safety information,” on page 3.
These precautions and guidelines will help you work safely.
FRU replacements are to be done by trained service technicians only.
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