Replacing The Front Usb/Card Reader/Audio Module - Lenovo IDEACENTRE 300s series Maintenance Manual

Step 6. Disconnect the 2 antenna cables from the Wi-Fi card.
Step 7. Remove the screw that secure the Wi-Fi card to the motherboard.
Step 8. Pull the Wi-Fi card upward to remove it from the card port.
Step 9. Install the new Wi-Fi card:
a. Line up the new Wi-Fi card, and then insert it into the same card port.
b. Secure the Wi-Fi card to the motherboard with the screw.
c. Connect the 2 antenna cables to the new Wi-Fi card.
Step 10. Reattach the computer cover.

Replacing the front USB/card reader/audio module

Note: For this procedure, it helps to lay the computer flat.
To replace the the front USB/card reader/audio module:
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. Remove the front bezel. Refer to "Removing the front bezel".
Step 6. Remove the optical drive. Refer to "Replacing the optical drive".
Step 7. Remove the hard disk drive. Refer to "Replacing the hard disk drive".
Step 8. Remove the power supply. Refer to "Replacing the power supply".
Step 9. Disconnect the data cables from the connectors on motherboard.
Step 10. Remove the screw that secures the front USB/card reader/audio module to the chassis.
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Chapter 8 Replacing hardware
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