Replacing The Wi-Fi Card - Lenovo ideacentre All-In-One 520 Hardware Maintenance Manual

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 motherboard frame. Refer toRemoving the motherboard frame
Step 7. Remove the screw that secure the solid state drive to the motherboard, and then slide out the solid
3
state drive.
Step 8. To install the new solid state drive:
a. Insert the solid state drive into the slot.
b. Secure the new solid state drive to motherboard with one screw.
c. Reinstall the memory cover.
Step 9. Reattach the motherboard frame, rear cover and stand base.

Replacing the Wi-Fi card

Note: 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 computer screen from scratches
or other damage.
To replace the Wi-Fi card:
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.
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ideacentre All-In-One 520 (27 inch) Computer Hardware Maintenance Manual