Lenovo 10HA, Hardware Maintenance Manual

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Removing the computer cover
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Read this first: Important safety information” on page 1.
CAUTION:
Before you open the computer cover, turn off the computer and wait several minutes until the
computer is cool.
To remove the computer cover, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Unlock any locking device that secures the computer cover.
3. Hold the sides of your computer and gently lay it down so that the computer cover is facing up.
4. Remove the frame stand. See “Replacing the frame stand” on page 87.
5. Remove the two screws that secure the computer cover. Then, lift the computer cover upward to
remove it from the computer.
Figure 14. Removing the computer cover
Replacing the system fan
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Read this first: Important safety information” on page 1.
CAUTION:
The system fan might be very hot. Before you open the computer cover, turn off the computer and
wait several minutes until the computer is cool.
To replace the system fan, do the following:
Chapter 9
.
Installing or replacing hardware
89