Replacing The I/O Board - Lenovo 10HU Hardware Maintenance Manual

• To complete the installation or replacement, go to "Completing the parts replacement" on page 117.

Replacing the I/O board

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.
To replace the I/O board, 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. Remove the slide cover. See "Removing the slide cover" on page 85.
3. Remove the bottom cover. See "Replacing the bottom cover" on page 86.
4. Remove the I/O bracket. See "Replacing the I/O bracket" on page 89.
5. Remove the I/O shield. See "Replacing the I/O shield" on page 90.
6. Remove the card reader. See "Replacing the card reader" on page 91.
7. Locate the I/O board. See "Computer components" on page 31.
8. Make a record of the cable routing and cable connections. Then, disconnect the I/O cable from the I/O
connector in the I/O board
9. Remove the two screws that secure the I/O board to remove it from the computer.
Figure 38. Removing the I/O board
.
Chapter 9 Installing or replacing hardware
101