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Dell Optiplex 745 Small Form Factor Motherboard Replacement

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  1. Dell Optiplex 745 Small Form Factor Motherboard Replacement, Opening the case: passo 1, immagine 1 di 2 Dell Optiplex 745 Small Form Factor Motherboard Replacement, Opening the case: passo 1, immagine 2 di 2
    • Pull the tab and the lid will pop up.

  2. Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 2, immagine 1 di 2 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 2, immagine 2 di 2
    • Grab the lid and pull it up and off.

  3. Dell Optiplex 745 Small Form Factor Motherboard Replacement, Motherboard: passo 3, immagine 1 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement, Motherboard: passo 3, immagine 2 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement, Motherboard: passo 3, immagine 3 di 3
    • 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.

  4. Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 4, immagine 1 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 4, immagine 2 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 4, immagine 3 di 3
    • 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.

  5. Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 5, immagine 1 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 5, immagine 2 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 5, immagine 3 di 3
    • Remove the heat sink.

    • Unscrew the (2) two screws using a Phillips #2 screwdriver and lift out the heat sink.

  6. Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 6, immagine 1 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 6, immagine 2 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 6, immagine 3 di 3
    • 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.

  7. Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 7, immagine 1 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 7, immagine 2 di 3 Dell Optiplex 745 Small Form Factor Motherboard Replacement: passo 7, immagine 3 di 3
    • 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.

Conclusione

To reassemble your device, follow these instructions in reverse order.

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