Lenovo BladeCenter HX5 7873 Problem Determination And Service Manual page 148

Blade server
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a.
Using a screwdriver or a coin, turn each of the screws toward the middle of the blade server
until they are in the unlocked position.
b.
While you lift the back of the access panel, slide the panel away from the bezel.
Step 9.
Locate the microprocessor to be removed (see "Blade server connectors - BladeCenter HX5" on
page 12).
Step 10. Remove the heat sink.
Attention: Do not touch the thermal material on the bottom of the heat sink. Touching the thermal
material will contaminate it. If the thermal material on the microprocessor or heat sink becomes
contaminated, you must replace the heat sink.
a.
Use a screwdriver to loosen the screw on one side of the heat sink to break the seal with the
microprocessor.
b.
Use a screwdriver to loosen the screws on the heat sink, rotating each screw two full turns until
each screw is loose.
c.
Use your fingers to gently pull the heat sink from the microprocessor.
Attention: Do not use any tools or sharp objects to lift the release lever on the microprocessor
socket. Doing so might result in permanent damage to the system board.
Microprocessor
release lever
132
BladeCenter HX5 Blade ServerProblem Determination and Service Guide
Microprocessor
retainer

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