Lenovo H50-50 Desktop - Manual (Page 59)

Step 15. Install the new motherboard:
a. Line up the holes on the new motherboard with mounting holes on the chassis and secure
it with screws.
b. Reattach the memory module, Wi-Fi card, heat-sink assembly to the new motherboard.
c. Connect the all cables to the new motherboard.
d. Reattach the hard disk drive, optical drive, graphic card and the TV-Tuner card.
Step 16. Reattach the computer cover.
Chapter 8 . Replacing hardware 53