Lenovo Legion Y720T, Hardware Maintenance Manual, Page: 35 / 57

• For this procedure, it helps to lay the computer on a flat, stable surface.
To remove the computer cover:
Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the computer, and
turn off 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 “Locating connectors on
the rear of the computer”.
Step 4. Slide the computer cover lock to unlock position, a then press the cover open button, computer
cover will spring open. b c .
Step 5. Reinstall the computer cover:
a. Align the cover with the guide track on the computer case, then slide the cover in.
b. Push the cover till it’s lock position.
c. Push the cover lock to lock position.
Removing the computer cover ii
Attention:
• Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
• For this procedure, it helps to lay the computer on a flat, stable surface.
To remove the computer cover ii:
Step 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the computer, and
turn off 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 “Locating connectors on
the rear of the computer”.
Step 4. Remove the 2 screws that secure the computer cover to the chassis.
Chapter 8
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Replacing hardware
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