Dell Vostro 3901 Dell Vostro 3901 Owners Manual - Page 17

Installing the Expansion Card(s), Removing the Power Supply Unit (PSU

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Installing the Expansion Card(s) 1. Place the expansion card in its connector. 2. Secure the expansion card by pushing the card-retention latch until it snaps into place. 3. Repeat the steps to install any additional expansion cards. 4. Install the cover. 5. Follow the procedures in After Working Inside Your Computer. Removing the Power Supply Unit (PSU) 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Disconnect the following power supply cables from the system board by pressing on the retention latch and lifting it upwards. • system board power cable [1] • system fan power cable [2] 17

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Installing the Expansion Card(s)
1.
Place the expansion card in its connector.
2.
Secure the expansion card by pushing the card-retention latch until it snaps into place.
3.
Repeat the steps to install any additional expansion cards.
4.
Install the cover.
5.
Follow the procedures in
After Working Inside Your Computer
.
Removing the Power Supply Unit (PSU)
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the cover.
3.
Disconnect the following power supply cables from the system board by pressing on the retention
latch and lifting it upwards.
•
system board power cable [1]
•
system fan power cable [2]
17