Lenovo Horizon 2s Table PC Lenovo HORIZON 2s All-In-One PC Hardware Maintenanc - Page 42

Replacing the I/O board

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Replacing the I/O board Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover. To replace the I/O board: Step 1. Step 2. Step 3. Step 4. Step 5. 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 rear cover. Refer to "Removing the rear cover". Disconnect the battery power cable from the connector on the motherboard. DANGER Disconnect the battery power cable from the connector on the motherboard before proceeding replacing any parts to avoid electric shock! Step 6. Step 7. Step 8. Disconnect the data cable from the I/O board. 1 Remove the two screws that secure the I/O board to the rear cover. Slide the I/O board, and then lift up the I/O board to remove it. Step 9. To install the new I/O board: a. Connect the data cable to the connector on the I/O board. b. Line up the I/O board with the mounting holes on the rear cover, then slide the new I/O into position and secure it with the two screws. c. Reconnect the battery cable to the connector on the motherboard. Step 10. Reattach the rear cover and secure it with the screw. 36 Lenovo HORIZON 2s All-In-One PC Hardware Maintenance Manual

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Replacing the I/O board
Note:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover.
To replace the I/O board:
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 power cable from the connector on the motherboard.
DANGER
Disconnect the battery power cable from the connector on the motherboard before
proceeding replacing any parts to avoid electric shock!
Step 6.
Disconnect the data cable from the I/O board.
1
Step 7.
Remove the two screws that secure the I/O board to the rear cover.
Step 8.
Slide the I/O board, and then lift up the I/O board to remove it.
Step 9.
To install the new I/O board:
a.
Connect the data cable to the connector on the I/O board.
b.
Line up the I/O board with the mounting holes on the rear cover, then slide the new I/O into
position and secure it with the two screws.
c.
Reconnect the battery cable to the connector on the motherboard.
Step 10. Reattach the rear cover and secure it with the screw.
36
Lenovo HORIZON 2s All-In-One PC Hardware Maintenance Manual