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a. Connect the rear-fan-assembly cable to the rear-fan-assembly connector on the system board. See
"System board" on page 4.
5. Reinstall all removed parts. Then, reconnect the power cord and all disconnected cables to the
computer.
Memory module active cooler and duct
Prerequisite
Before you start, read Appendix A "Important safety information" on page 105 and print the following
instructions.
Replacement procedure
1. Remove the computer cover. See "Computer cover" on page 52.
2. Lay the computer on its side for easier access to the system board.
3. Remove the memory module active cooler and duct.
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P620 User Guide
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