Replacing The Wi-Fi Card - Lenovo 90FB Manual

Step 4. Remove the hard disk drive from the plastic bracket as shown.
Step 5. Line up the new hard disk drive with the plastic bracket and snap it into position.
Step 6. Slide the new hard disk drive into the drive bay and slide the drive bay into place.
Step 7. Connect the power and signal cables to the new hard disk drive.
Step 8. Reattach the computer cover.

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 (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 computer cover. Refer to "Removing the computer cover".
Step 5. Disconnect the 2 antenna cables from the Wi-Fi card.
Step 6. Remove the screw that secures the Wi-Fi card to the motherboard.
Step 7. Pull the Wi-Fi card upward to remove it from the card port.
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IdeaCentre 710 Series