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Predisassembly procedures
Perform the following steps before servicing a workstation:
1. Review the safety information and precautions in
Warnings and cautions on page 59 and the Safety
and Regulatory Information for the workstation.
2. Locate and clear a suitable work area.
3. Close all open software applications.
4. Remove all diskettes, CDs, and DVDs from the workstation.
5. Shut down the operating system.
6. Power off the workstation and all peripheral devices connected to it.
7. Remove or disengage security devices that prevent you from opening the workstation.
8. Disconnect the power cord from the electrical outlet and then from the workstation.
9. Disconnect peripheral device cables from the workstation.
10. Gather the tools.
11. Service the workstation.
12. Restore power to the workstation when servicing is done.
66 Chapter 5 Replacing components ENWW