Lenovo IdeaCentre A720 Hardware Maintenance Manual page 54

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 base cover. Refer to "Removing the base cover".
Step 5. Disconnect the touch and LED panel cables from the connectors on the motherboard.
Step 6. Remove the 6 screws that secure the hinge to the chassis
from the chassis.
Step 7. To reattach the hinge to the chassis:
a. Line up the hinge with the chassis and slide the hinge into position.
b. Secure the hinge to the chassis with the 6 screws.
c. Reconnect the touch and LED panel cables to the motherboard.
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IdeaCentre A720Hardware Maintenance Manual
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1 , then raise the hinge to remove it