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Installing System Components 89
4
Reinstall the processor heat sink and shroud assembly. See "Replacing the Processor" on page 75.
5 Rotate the hard-drive carrier back into the system. See
"Rotating the Hard-Drive Carrier Into the
System" on page 46
.
6
Close the system. See "Closing the System" on page 43.
7
Reconnect the system to the electrical outlet, and turn on the system.
Front I/O Panel (Service Only Parts Procedure)
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.
Removing the Front I/O Panel
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Remove the system cover. See "Opening the System" on page 43.
3
Rotate the hard-drive carrier out of the system. See "Rotating the Hard-Drive Carrier Out of the
System" on page 44.
4
Remove the front bezel. See "Removing the Bezel" on page 87.
NOTICE: Carefully note the routing of each cable before you disconnect it, so that you are sure to re-route cables
correctly.
5
Note the routing of each cable as you disconnect the I/O panel ribbon cable and the thermal diode
cable from the I/O panel.
Disconnect the I/O panel ribbon cable from the I/O panel connector by pulling the yellow cable loop.
6
Remove the mounting screw holding the I/O panel bracket assembly to the front chassis. See
Figure 3-30.
7 Lift the I/O panel out of the system.
8
If you are replacing the I/O panel, perform the following steps:
a
Remove the screw attaching the I/O board to the mounting bracket. See Figure 3-30.
b
Slide the board to the side to remove the two hooks from the slots in the mounting bracket.
c
Disconnect the thermal diode cable and set it aside to install on the new I/O panel.
book.book Page 89 Monday, June 5, 2006 1:51 PM