Compaq AP550 Compaq Professional Workstation AP550 Maintenance & Service G - Page 36

Removal and Replacement Procedures 3-3 Service Preparations CAUTION: Electrostatic discharge can damage electronic components. Be sure you are properly grounded before beginning any installation procedure. See "Electrostatic Discharge Information" in Chapter 2 for more information. Before beginning any of the removal and replacement procedures, complete the following steps: 1. Turn off the workstation. 2. Disconnect the power cord from the grounded AC outlet and then from the workstation. IMPORTANT: On a power-managed system, the power cord must be disconnected from the grounded AC outlet. 3. Turn off all peripheral devices and disconnect cables from the rear of the workstation. NOTE: See Chapter 2 for more information on preparing the workstation for service. Cable Lock The workstation comes standard with a cable lock provision for attaching a padlock and/or cable lock. If installed, the locks must be removed before you can access internal components. To remove the lock (199109-001): 1. Unlock and remove the cable lock and/or the padlock. 2. Remove the security bracket (plate) 1, which is seated over the cable lock bracket 2. 3. Unfasten the retaining screw 3 to free the cable lock bracket and to release the screw security bracket 4. 2 4 3 1 Figure 3-2. Removing the cable lock To replace the cable lock, reverse the above procedure.