Removing Cpu - NEC Express5800 Series User Manual

8-30 System Upgrade
If the heat sink is tilted, remove the heat sink and then attach it again.
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If the heat sink is not attached horizontally, it may be caused by the
following.
- The CPU is not attached correctly.
- Screws are not secured tightly enough.
Do not move around the heat sink fastened.
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15.
Connect the duct cover.
16.
Fasten the cable to the duct cover.
17.
Refer to page 8-14 and attach install the CPU/IO module.
18.
Connect the power cord.
19.
Turn on the power by pressing the POWER switch.
20.
Verify that POST displays no error message. If an error message is displayed, write it down and
check it in the error message list on page 7-4.

Removing CPU

Removal of a heat sink and CPU is the reverse of installation.