Lenovo H515s Desktop - Manual (Page 42)

Step 5. Remove the screw that secures the graphic card to the chassis, and slide out the metal bracket.
Step 6. Push the pin that lock the graphic card, and pull it up then slide it out to remove it.
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.
36 Lenovo H515sHardware Maintenance Manual