Lenovo ideacentre AIO 520-22 IKL, Hardware Maintenance Manual

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• Wi-Fi card
• Heat-sink
• Solid state drive
• Memory module
Step 14. Reattach the rear cover and stand base.
Removing the stand holder
Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches
or other damage.
Step 1. Remove any media 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 Locating connectors,
controls and components to locate the various connectors.
Step 4. Remove the stand base. Refer to Removing the stand base.
Step 5. Remove the rear cover. Refer to Removing the rear cover.
Step 6. Remove the six screws.
Step 7. To reattach the stand holder:
a. Align the holes in the stand holder with the corresponding holes in the chassis.
b. Secure the stand holder to the chassis with screws.
Replacing the Microphone module
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Chapter 8
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Replacing hardware
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