Lenovo H515s Desktop - Manual (Page 41)

Step 2. Disconnect the power cables from the connectors on motherboard.
Step 3. Install the new adapter：
a. Connect the power cables to the connectors on the motherboard.
Replacing the graphic card
To replace the graphic 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”.
Chapter 8 . Replacing hardware 35