Lenovo Horizon 27 Table PC IdeaCentre Horizon 27 All-In-One PC Hardware Mainte - Page 42

Replacing the converter board

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Step 7. Remove the sixteen screws that secure the hinge to the chassis, then lift up the hinge to remove it. Step 8. To reattach the hinge to the chassis: a. Line up the hinge with the chassis and place the hinge into position. b. Secure the hinge to the chassis with the sixteen screws. c. Reconnect the battery cable to the connector on the motherboard. Step 9. Reattach the EMI cover and rear cover. Replacing the converter board Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To replace the converter board: Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Step 7. 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". Remove the EMI cover. Refer to "Removing the EMI cover". Disconnect the battery cable from the connector on motherboard. Refer to "Replacing the battery". Remove the hinge. Refer to "Removing the hinge". 36 IdeaCentre Horizon 27 All-In-One PC Hardware Maintenance Manual

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Step 7.
Remove the sixteen screws that secure the hinge to the chassis, then lift up the hinge to remove it.
Step 8.
To reattach the hinge to the chassis:
a.
Line up the hinge with the chassis and place the hinge into position.
b.
Secure the hinge to the chassis with the sixteen screws.
c.
Reconnect the battery cable to the connector on the motherboard.
Step 9.
Reattach the EMI cover and rear cover.
Replacing the converter board
Note:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
To replace the converter 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.
Remove the EMI cover. Refer to “Removing the EMI cover”.
Step 6.
Disconnect the battery cable from the connector on motherboard. Refer to “Replacing the battery”.
Step 7.
Remove the hinge. Refer to “Removing the hinge”.
36
IdeaCentre Horizon 27 All-In-One PC Hardware Maintenance Manual