HP Xw9300 HP xw9300 Service and Technical Reference Guide - Page 79

Pre-Disassembly Procedures

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Pre-Disassembly Procedures Before servicing the workstation: 1. Close any open software applications. 2. Remove any diskette or compact disc from the workstation. 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. Pre-Disassembly Procedures 79 Removal and Replacement Procedures

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Removal and Replacement
Procedures
Pre-Disassembly Procedures
79
Pre-Disassembly Procedures
Before servicing the workstation:
1.
Close any open software applications.
2.
Remove any diskette or compact disc from the workstation.
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.