Dell OptiPlex 755 User's Guide - Page 156
Replace the optical drive see Optical Drive
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1 23 4 1 release button 2 power supply 3 screws (2) 4 AC power connector 7 Slide the power supply toward the front of the computer approximately one inch. 8 Lift the power supply up and out of the computer. 9 Slide the replacement power supply into place. 10 Replace the screws that secure the power supply to the back of the computer chassis. 11 Reconnect the DC power cables. 12 Replace the optical drive (see "Optical Drive" on page 131). 13 Connect the AC power cable to the connector. 14 Replace the computer cover (see "Replacing the Computer Cover" on page 317). 156 Power Supply
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156
Power Supply
7
Slide the power supply toward the front of the computer approximately one inch.
8
Lift the power supply up and out of the computer.
9
Slide the replacement power supply into place.
10
Replace the screws that secure the power supply to the back of the computer chassis.
11
Reconnect the DC power cables.
12
Replace the optical drive (see "Optical Drive" on page 131).
13
Connect the AC power cable to the connector.
14
Replace the computer cover (see "Replacing the Computer Cover" on page 317).
1
release button
2
power supply
3
screws (2)
4
AC power connector
1
2
3
4