Lenovo Flex 20 All-in-One IdeaCentre - Manual (Page 47)

Step 7. Remove the heat-sink. Refer to “Replacing the heat-sink”.
Step 8. Remove the Wi-Fi card. Refer to “Replacing the Wi-Fi card”.
Step 9. Remove all the cables connected to the motherboard.
Step 10. Remove the four screws that secure the motherboard to the rear cover 1 and lift it up to remove
it. 2
Step 11. To install the new motherboard:
a. Insert the notched end of the Wi-Fi card into the card port on the new motherboard and
secure it with the screw.
b. Connect the antenna cable(s) to the Wi-Fi card.
c. Line up the holes on the new motherboard with the mounting holes on the rear cover and
secure the new motherboard with the four screws.
d. Attach the heat-sink, Wi-Fi card, memory modules and I/O board to the new motherboard.
e. Connect all the cables to the new motherboard.
Step 12. Reattach the rear cover and secure it with the screws.
Replacing the converter board
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover.
To replace the converter board:
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.
Chapter 8 . Replacing hardware 41