Lenovo 90HU, Hardware Maintenance Manual

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Step 14. Pivot the drive bay assembly downward.
Step 15. Reinstall all the removed parts, and then reconnect the cables.
Replacing the Wi-Fi card
Note: For this procedure, it helps to lay the computer flat.
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.
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 computer cover. Refer to Removing the computer cover.
Step 5. Remove the front bezel. Refer to Removing the front bezel.
Step 6. Pivot the drive bay assembly upward.
Step 7. Remove the screw that secure the Wi-Fi card to the motherboard 1 .
Step 8. Remove the Wi-Fi card cover 2 .
Step 9. Disconnect the 2 antenna cables from the Wi-Fi card.
Step 10. Pull the Wi-Fi card out from the slot.
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ideacentre 510/510A Series Hardware Maintenance Manual