Lenovo Horizon 27 Table PC IdeaCentre - Manual (Page 48)

Step 7. Disconnect the antenna cable and data cable from the Wi-Fi card.
Step 8. Remove the screw that secures the Wi-Fi card to the motherboard. Pull the Wi-Fi card upward to
remove it from the card port.
1
2
3
Step 9. To install the new Wi-Fi card:
a. Line up the new Wi-Fi card with the card port, insert the card into position and secure it
with the screw.
b. Reconnect the antenna and data cable to the new Wi-Fi card.
c. Reconnect the battery cable to the connector on the motherboard.
Step 10. Reattach the EMI cover and rear cover.
Replacing the TV tuner card
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
To replace the TV tuner 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 rear cover. Refer to “Removing the rear cover”.
Step 5. Remove the EMI cover. Refer to “Removing the EMI cover”.
Step 6. Disconnect the battery cable from the connector on motherboard. Refer to “Replacing the battery”.
42 IdeaCentre Horizon 27 All-In-One PC Hardware Maintenance Manual