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Dell Optiplex 745 Motherboard Replacement

필요한 것

  1. Dell Optiplex 745 Motherboard Replacement, Motherboard: 1 단계, 이미지 1/3 Dell Optiplex 745 Motherboard Replacement, Motherboard: 1 단계, 이미지 2/3 Dell Optiplex 745 Motherboard Replacement, Motherboard: 1 단계, 이미지 3/3
    • Orientate the computer so the case lock is on the left corner, like so.

    • Pull the tab that locks the casing in place.

    • While the tab is pulled, lift the casing off the computer.

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    • Lift the three tabs locking the face into place. (The plastic prying tool makes this easier.)

    • Pull the plastic face off of the computer.

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    • Pinch the two tabs locking the fan mount (annotated in a blue square).

    • Pull the mount up and out of the computer.

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    • Pull the orange connector out of the CD drive (annotated in an orange square).

    • Pull out the smaller connector (annotated in a black square). Tweezers make it easier but aren't required.

  5. Dell Optiplex 745 Motherboard Replacement: 5 단계, 이미지 1/2 Dell Optiplex 745 Motherboard Replacement: 5 단계, 이미지 2/2
    • Pull the CD drive lock (annotated in blue) straight up.

    • While holding the lock up, pull out the CD drive.

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    • Unscrew the two screws (annotated with red circles) holding the GPU heatsync in place.

    • Swing it open then pull it straight up.

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    • Unscrew the two screws (annotated with a red circle).

    • Pull out the hinge for the GPU heatsync.

  8. Dell Optiplex 745 Motherboard Replacement: 8 단계, 이미지 1/1
    • Pull out the yellow and black connector that is connected to the Motherboard.

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    • Pull out the large white power connector that is connected to the Motherboard.

    • Use the plastic prying tool to pull it up.

    • Alternate sides when prying until it comes loose.

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    • Unscrew the three screws (annotated in red).

    • Slide out the AC adapter.

    • If all the cables are detached, it should slide right out. If not, detach the remaining cables.

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    • Remove the blue wire connected to the Motherboard.

    • Remove the orange wire connected to the Motherboard.

    • Remove the wide grey connector from the Motherboard.

    • Use the yellow handle to pull it up.

  12. Dell Optiplex 745 Motherboard Replacement: 12 단계, 이미지 1/2 Dell Optiplex 745 Motherboard Replacement: 12 단계, 이미지 2/2
    • Remove the last wire connected to the Motherboard.

    • Remove the grey wire connected to the fan.

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    • Unscrew the two screws holding the Motherboard down (annotated with the red circles).

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    • Carefully lift the right side of the Motherboard.

    • After lifting it above the fan, pull it to the right to remove the Motherboard.

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    • Starting with the left side, insert the new Motherboard.

    • Once the ports are lined up, set down the right side of the Motherboard.

    • Then screw it back in and reassemble.

결론

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

다른 4명이 해당 안내서를 완성하였습니다.

James Raymond

회원 가입일: 05/31/16

185 평판

안내서 1개 작성함

댓글 한 개

Thank you and your contributors for providing this guide. I did not replace motherboard but three 2200 u capacitors on it. The thing works again!

Antti Huhtala - 답글

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