Lenovo H515s Lenovo H515s Hardware Maintenance Manual - Page 43

Replacing the microprocessor fan, Replacing the heat-sink

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Replacing the microprocessor fan To replace the microprocessor fan: Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Unplug all power cords from electrical outlets. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to "Left and right view" and "Rear view" for help with locating the various connectors. Remove the computer cover. Refer to "Removing the computer cover". Disconnect the fan power cable from the connector on the motherboard. Remove the 4 screws that secure the microprocessor fan to the heat-sink and lift up the microprocessor fan to remove it. Step 7. To install the new microprocessor fan: a. Line up the new microprocessor fan with the heat-sink and secure it to the heat-sink with 4 screws. b. Connect the microprocessor fan power cable to the connector on the board. Step 8. Reattach the computer cover. Replacing the heat-sink Note: For this procedure, it helps to lay the computer flat. To replace the heat-sink: Chapter 8. Replacing hardware 37

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Replacing the microprocessor fan
To replace the microprocessor fan:
Step 1.
Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2.
Unplug all power cords from electrical outlets.
Step 3.
Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to “Left and right view”
and “Rear view” for help with locating the various connectors.
Step 4.
Remove the computer cover. Refer to “Removing the computer cover”.
Step 5.
Disconnect the fan power cable from the connector on the motherboard.
Step 6.
Remove the 4 screws that secure the microprocessor fan to the heat-sink and lift up the
microprocessor fan to remove it.
Step 7.
To install the new microprocessor fan:
a.
Line up the new microprocessor fan with the heat-sink and secure it to the heat-sink with
4 screws.
b.
Connect the microprocessor fan power cable to the connector on the board.
Step 8.
Reattach the computer cover.
Replacing the heat-sink
Note:
For this procedure, it helps to lay the computer flat.
To replace the heat-sink:
Chapter 8
.
Replacing hardware
37