HP Compaq dc7800 - Hard Drive; Removing an External 3.5-inch Drive

3. Screw the lock to the chassis using the screw provided.
4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to engage the
lock. Use the key provided to disengage the lock.
162 Chapter 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis