HP Workstation xw4100, Service And Technical Reference Manual

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removal and replacement procedures
4.3 removal and replacement of components
This section discusses the procedures necessary to remove and install various hardware
components on your workstation. Review the safety and precautions and the “service
considerations” section at the beginning of this chapter, as well as the Safety and Regulatory
Guide, before servicing or upgrading your system.
The following general outline will help you to successfully work on the system.
1. Read all safety information and precautions.
2. Locate and clear a suitable work area.
3. Shutdown the system and remove power from the unit.
4. Gather your tools.
5. Service your unit.
6. Restore power to your unit.
4.3.1 security lock (optional)
If a security padlock is installed, it should be removed before servicing the unit. To remove the
padlock, unlock it and slide it out of the padlock loop as shown in the following illustration.