Dell PowerEdge T100 Hardware Owner's Manual - Page 90

Power Supply, Removing the Power Supply

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9 Enter the System Setup program. If the time and date are still incorrect, see "Getting Help" on page 139. 10 Properly dispose of the old battery. For more information, see your Product Information Guide. 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 you begin this procedure, review the safety instructions that came with the system. 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 47. 3 Depending on your system configuration, disconnect the power cables from the following components where applicable (see Figure 6-2 for connector locations): • PWR_CONN connector on the system board • 12V connector on the system board • Hard drives • Diskette drive • Tape backup unit • Optical drives NOTE: Note the routing of the DC power cables underneath the tabs in the system frame as you release the tabs and remove the cables from the system board and drives. You must route these cables properly when you replace them to prevent their being pinched or crimped. 4 Remove the heat sink and shroud assembly. Loosen the two captive screws holding the heat sink and shroud assembly in place. These captive screws are adjacent to the processor cooling fan housing. See Figure 3-21. 5 Tilt the heat sink and shroud assembly away from the fan housing and lift it out. 90 Installing System Components

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90
Installing System Components
9
Enter the System Setup program. If the time and date are still incorrect,
see "Getting Help" on page 139.
10
Properly dispose of the old battery. For more information, see your
Product
Information Guide
.
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 you begin this
procedure, review the safety instructions that came with the system.
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 47.
3
Depending on your system configuration, disconnect the power cables
from the following components where applicable (see Figure 6-2 for
connector locations):
•
PWR_CONN connector on the system board
•
12V connector on the system board
•
Hard drives
•
Diskette drive
•
Tape backup unit
•
Optical drives
NOTE:
Note the routing of the DC power cables underneath the tabs in the
system frame as you release the tabs and remove the cables from the system
board and drives. You must route these cables properly when you replace
them to prevent their being pinched or crimped.
4
Remove the heat sink and shroud assembly. Loosen the two captive screws
holding the heat sink and shroud assembly in place.
These captive screws are adjacent to the processor cooling fan housing. See
Figure 3-21.
5
Tilt the heat sink and shroud assembly away from the fan housing and lift
it out.