Lenovo H30-00 Desktop - Manual (Page 44)

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”.
Step 5. Remove the screw that secures the graphic card to the chassis, and slide out the metal bracket. 1
Step 6. Push the pin that lock the graphic card 2 , and pull it up then slide it out to remove it. 3
Step 7. To install the new graphic card:
a. Slide then insert the new graphic card to the same connector on the motherboard.
b. Reattach the metal bracket back into position and secure the graphic card to the chassis
with the screw.
Step 8. Reattach the computer cover.
Replacing the microprocessor fan
To replace the microprocessor fan:
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”.
38 Lenovo H30 SeriesHardware Maintenance Manual