Pre-Disassembly Procedures - HP xw4300 Service And Technical Reference Manual

4.2

Pre-Disassembly Procedures

Before servicing the workstation:
1. Close any open software applications.
Remove any diskette or compact disc from the workstation.
2.
3. Exit the operating system.
4. Turn off the workstation and any peripheral devices that are connected to it.
5. Remove/disengage any security devices that prohibit opening the workstation.
CAUTION: Turn off the workstation before disconnecting any cables.
CAUTION: The cooling fan is off only when the workstation is turned off or the power cable has been disconnected.
The cooling fan is always on when the workstation is in the "On," "Standby," or "Suspend" modes. You must
disconnect the power cord from the power source before opening the workstation to prevent system board or
component damage.
6. Disconnect the power cord from the electrical outlet and then from the workstation.
7. Disconnect all peripheral device cables from the workstation.
54 Removal and Replacement Procedures