Dell Vostro 3900 Dell Vostro V 3900 Mini-Tower Owners Manual - Page 19

Installing The Power Supply Unit (PSU), Removing The Power Switch

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Installing The Power Supply Unit (PSU) 1. Slide the PSU towards the back of the computer till it snaps into place. 2. Replace the screws to secure the power supply unit to the computer. 3. Connect the power cables to the system board. 4. Install the: - bezel - cover 5. Follow the procedures in After Working Inside Your Computer. Removing The Power Switch 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the: - cover - bezel 3. Follow the steps below to remove the power switch: a) Disconnect the power-switch cable from the system board [1]. b) Un-thread the power-switch cable from the metal retention clip [2]. c) Remove the power button by pressing on the two latches and pulling it out from the slot [3,4]. Installing The Power Switch 1. Insert the power-switch cable through the front of the computer. 2. Push the power button into it's slot and press it in, till it snaps into place. 3. Route the power-switch cable through the metal clip. 4. Connect the power-switch cable to the system board. 19

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Installing The Power Supply Unit (PSU)
1.
Slide the PSU towards the back of the computer till it snaps into place.
2.
Replace the screws to secure the power supply unit to the computer.
3.
Connect the power cables to the system board.
4.
Install the:
–
bezel
–
cover
5.
Follow the procedures in
After Working Inside Your Computer
.
Removing The Power Switch
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the:
–
cover
–
bezel
3.
Follow the steps below to remove the power switch:
a)
Disconnect the power-switch cable from the system board [1].
b)
Un-thread the power-switch cable from the metal retention clip [2].
c)
Remove the power button by pressing on the two latches and pulling it out from the slot [3,4].
Installing The Power Switch
1.
Insert the power-switch cable through the front of the computer.
2.
Push the power button into it's slot and press it in, till it snaps into place.
3.
Route the power-switch cable through the metal clip.
4.
Connect the power-switch cable to the system board.
19