Dell OptiPlex 3046 Small Form Factor Small Form Factor Owners Manual - Page 20

Removing the power supply unit (PSU

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Removing the power supply unit (PSU) 1 Follow the procedure in Before Working Inside Your Computer. 2 Remove the: a cover b front bezel c hard drive assembly d optical drive e fan duct 3 To release the PSU: a Disconnect the power cable from the system board [1] [2]. b Unroute the power cables from the retention clips on the chassis [3] [4]. 4 To remove the PSU: a Disconnect the power cable from the system board [1] [2]. b Lift the cables away from the computer [3]. c Remove the screws that secure the PSU to the computer [4]. 5 Press the blue release tab [1], slide the PSU and lift it away from the computer [2]. 20 Removing and installing components

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Removing the power supply unit (PSU)
1
Follow the procedure in
Before Working Inside Your Computer
.
2
Remove the:
a
cover
b
front bezel
c
hard drive assembly
d
optical drive
e
fan duct
3
To release the PSU:
a
Disconnect the power cable from the system board [1] [2].
b
Unroute the power cables from the retention clips on the chassis [3] [4].
4
To remove the PSU:
a
Disconnect the power cable from the system board [1] [2].
b
Lift the cables away from the computer [3].
c
Remove the screws that secure the PSU to the computer [4].
5
Press the blue release tab [1], slide the PSU and lift it away from the computer [2].
20
Removing and installing components