Lenovo c20 4262 Manual Do Equipamento
Replacing the heat sink
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and
wait three to five minutes to let the computer cool before opening the computer
cover.
wait three to five minutes to let the computer cool before opening the computer
cover.
This section provides instructions on how to replace and install the heat sink.
To replace the heat sink:
1.
Open the computer cover. See “Opening the cover” on page 94.
2.
Lay the computer on its side for easier access to the heat sink.
3.
Remove the heat sink and fan assembly cable from the system board. Note the
cable location. See “System board connectors and components” on page 93.
cable location. See “System board connectors and components” on page 93.
4.
Follow this sequence to remove the heat sink from the system board:
a.
a.
Partially remove screw 1, then fully remove screw 3, and fully remove
screw 1.
screw 1.
b.
Partially remove screw 2, then fully remove screw 4, and fully remove
screw 2.
screw 2.
5.
Carefully lift the heat sink off of the system board.
6.
Remove the plastic cover from the bottom of the new heat sink to expose the
heat sink grease (this cover protects the heat sink grease from contamination).
heat sink grease (this cover protects the heat sink grease from contamination).
Notes:
a.
Do not remove the plastic cover until you are ready to install the heat sink
and fan assembly on the microprocessor. Do not touch the grease on the
and fan assembly on the microprocessor. Do not touch the grease on the
Chapter 9. Replacing FRUs (types 6423 and 6483)
105