Difficulty
Moderate
Steps
7
Time Required
10 - 20 minutes
Sections
2
- Open the Case
- 2 steps
- Motherboard
- 5 steps
Flags
0
BackDell Optiplex 745 Small Form Factor
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Introduction
What you need
Step 1
Opening the case
- Pull the tab and the lid will pop up.
Pull the tab and the lid will pop up.
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Step 2
- Grab the lid and pull it up and off.
Grab the lid and pull it up and off.
Step 3
Motherboard
- Disconnect all of the cords that are connected to the motherboard.
- Press in the lever on the side of the male end, and then pull out.
- Pull cord straight out.
- Disconnect the front plate (USB and audio output) from the motherboard.
- Some of the cords in the pictures are missing due to the condition of our device when creating this guide.
Disconnect all of the cords that are connected to the motherboard.
Press in the lever on the side of the male end, and then pull out.
Pull cord straight out.
Disconnect the front plate (USB and audio output) from the motherboard.
Some of the cords in the pictures are missing due to the condition of our device when creating this guide.
Step 4
- Remove the graphics card.
- Lift the blue latch on the fat end of the graphics card.
- Pull the blue lever on the skinny end of the graphics card toward the power supply.
- Pull out one end of the card at a time.
Remove the graphics card.
Lift the blue latch on the fat end of the graphics card.
Pull the blue lever on the skinny end of the graphics card toward the power supply.
Pull out one end of the card at a time.
Step 5
- Remove the heat sink.
- Unscrew the (2) two screws using a Phillips #2 screwdriver and lift out the heat sink.
Remove the heat sink.
Unscrew the (2) two screws using a Phillips #2 screwdriver and lift out the heat sink.
Step 6
- Remove the (5) five 6mm Phillips #2 screws from the motherboard.
- Remove the (2) two 17mm Phillips #2 screws from the mount for the heat sink.
Remove the (5) five 6mm Phillips #2 screws from the motherboard.
Remove the (2) two 17mm Phillips #2 screws from the mount for the heat sink.
Step 7
- Remove the back plate by lifting straight out by the blue latch that secures the graphics card.
- Pull the end of the motherboard closest to the back of the computer away from the static back plate.
- Lift this end away and out of the case.
Remove the back plate by lifting straight out by the blue latch that secures the graphics card.
Pull the end of the motherboard closest to the back of the computer away from the static back plate.
Lift this end away and out of the case.
To reassemble your device, follow these instructions in reverse order.
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with 1 other contributor
Alexander Rosner
Member since: 10/03/2017
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USF Tampa, Team S5-G5, Walkup Fall 2017
Member of USF Tampa, Team S5-G5, Walkup Fall 2017
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