Hardware Reference Guide - dc7600 SFF
2-4 www.hp.com Hardware Reference Guide
Hardware Upgrades
 To open the computer cover with the Smart Cover Lock engaged:
1. Turn off the computer properly through the operating system, 
then turn off any external devices.
2. Disconnect the power cord from the power outlet, and disconnect 
any external devices.
3. Use the FailSafe Key to remove the tamper-proof screw 1 that 
secures the Smart Cover Lock.
4. Push the metal arm that wraps around the air vent grid up and 
back 2 to free the Smart Cover Lock from the chassis.
Removing the Smart Cover Lock Screw
5. Remove the computer cover. Refer to “Removing the Computer 
Cover.”
To reattach the Smart Cover Lock, secure the lock in place with the 
tamper-proof screw.










