Installing System Components 69
5
Stand the system upright.
6
Reconnect the system to its electrical outlet and turn the system on, including any attached
peripherals.
Power Supply
Removing the Power Supply
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer, and protecting against electrostatic
discharge.
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Open the system. See "Opening the System" on page 43.
3
Disconnect the DC power cables from the following components:
• POWER CONN connector on the backplane board (if applicable)
• PWR_CONN and 12V connectors on the system board
• Hard drives
• Diskette drive (if applicable)
• Optical drive (if applicable)
• Tape backup drive (if applicable)
4
Remove the cooling shroud. See "Removing the Cooling Shroud" on page 64.
5
Remove the four screws securing the power supply to the back panel. See Figure 3-17.
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