Lenovo Horizon 2 27 Table PC IdeaCentre - Manual (Page 35)

Step 11. Reattach the rear cover.
Replacing the fan module
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
To replace the fan module:
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 rear cover. Refer to “Removing the rear cover”.
Step 5. Disconnect the battery cable from the connector on motherboard. Refer to “Replacing the battery”.
Step 6. Remove the six screws that secure the fan module to the rear cover.
Step 7. Disconnect the power cables from the motherboard.
Step 8. Lift up the fan module to remove it.
Step 9. To install the new fan module:
a. Line up the new fan module with the mounting holes on the rear cover and place it into position.
b. Secure the new fan module to the rear cover with the six screws.
c. Connect the new power cable to the connectors on motherboard.
d. Reconnect the battery cable to the connector on the motherboard.
Step 10. Reattach the rear cover.
Replacing the heat-sink modules
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
To replace the heat-sink modules:
Chapter 7 . Replacing hardware 29