HP Dc7700 HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Ed - Page 116

Removal and Replacement Procedures- Small Form Factor (SFF) Chassis 7.2 Unlocking the Smart Cover Lock If you have locked the Smart Cover Lock use Computer Setup to unlock the lock. Refer to the Desktop Management Guide on the Documentation and Diagnostics CD for more information about the Smart Cover Lock. If you cannot access Computer Setup to unlock the cover you will need to remove the locking solenoid by using the Smart Cover FailSafe Key (Spare part number 166527-001 or 166527-002). Once the solenoid has been deactivated or removed the access panel can be removed. The Smart Cover FailSafe Key will be needed in any of the following circumstances: ■ Power outage ■ Startup failure ■ Processor or power supply failure ■ Lost password To open the computer cover with the Smart Cover Lock engaged: 1. Prepare the computer for disassembly (Section 7.1). 2. Using the Smart Cover FailSafe Key, remove the tamper-proof screw 1 that secures the Smart Cover Lock to the inside of the chassis. 3. Push the metal arm that wraps around the air vent grid up and back 2 to free the Smart Cover Lock from the chassis. 4. Remove the computer cover (Section 7.5). 7-2 433612-001 Service Reference Guide, dc7700