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Introduzione

This shows you how to replace a blown power supply on a Dell Optiplex 330 small form factor PC. Power supplies are normally the first part to go on a desktop and will result in a solid amber power light illuminated on a Dell desktop.

Before you start make sure that all of the leads have been disconnected from the computer.
  • Before you start make sure that all of the leads have been disconnected from the computer.

  • It is strongly recommended that you leave the computer off for at least 15 minutes to allow the components to cool down.

  • You should also ground yourself before starting by using an anti-static band or touching a metal object connected to the ground. This prevents static build up which can destroy sensitive components.

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Round the back of the computer next to the power supply you will find a latch.
  • Round the back of the computer next to the power supply you will find a latch.

  • In order to release the case pull this latch straight back - this should make the back of the case pop up.

  • You can now just lift the case up and away from the computer.

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  • Before you can remove the power supply you first have to remove the optical drive.

  • First find the two cables going into the optical drive - they are shown in the first picture.

  • Gently pull both of them out - one of the cables might have a little latch that you have to press in order to release it from the optical drive.

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  • To remove the optical drive first find the little blue latch located next to the optical drive.

  • Pull the latch straight up - at the same time pull the optical drive back. It should now be easy to remove it from the computer.

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  • It should now look like the first picture with the optical drive removed.

  • You now need to remove the power cable from the hard drive.

  • Gently pull the cable out of the back of the hard drive.

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  • You now need to remove the power cable connected to the motherboard.

  • Locate the large 24 pin power connecter - it is located next to the power supply. Carefully press down on the little latch and pull straight up to release.

  • Repeat this procedure for the little 4 pin connecter located between the processer and hard drive.

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  • In order to remove the power supply you have to first remove two screws connecting the power supply to the case.

  • You can now slide the power supply straight back and lift it straight up and out of the computer.

  • It should look like the last picture after the power supply is removed.

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Conclusione

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

Altre 8 persone hanno completato questa guida.

Oli

Membro da: 03/01/2014

788 Reputazione

4 Guide realizzate

Would this be the first item to go bad if the computer is simply not powering on?

Edgar - Replica

If nothing at all was happening when the computer was switched on then certainly its highly likely that the power supply is bad although it could also be a faulty motherboard.

Oli - Replica

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