Introduction

Internal fans keep a computer at a stable temperature while operating. A faulty fan can cause a computer to overheat. It is important that all fans are in working order. Replacing a fan is an important skill for desktop PC users.

Parts

No parts required.

Remove the two Phillips #2 head 5mm screws from the back side of the computer case.
  • Remove the two Phillips #2 head 5mm screws from the back side of the computer case.

  • These screws can be removed by hand.

This depends on the model of system. Some systems have a lever/latch to pull to release the cover. Many Dell and HP models use latches to open the covers (no tools required to open the system). Some systems need a screwdriver to remove the screws. Some are Phillips screws, others may be Torx.

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Next, remove the side panel of the computer case to allow access into the computer. If there is a fan mounted on the side panel, make sure to unplug the cable before fully removing the panel.
  • Next, remove the side panel of the computer case to allow access into the computer.

  • If there is a fan mounted on the side panel, make sure to unplug the cable before fully removing the panel.

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Push to unlatch three grey connectors on the front panel. Push to unlatch three grey connectors on the front panel.
  • Push to unlatch three grey connectors on the front panel.

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Disconnect the front panel from the computer face.
  • Disconnect the front panel from the computer face.

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Remove four Phillips #2 head, 5mm screws holding in the fan.
  • Remove four Phillips #2 head, 5mm screws holding in the fan.

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Slide the fan out from the side of the casing.
  • Slide the fan out from the side of the casing.

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Disconnect the power cable from the fan.
  • Disconnect the power cable from the fan.

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Conclusion

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

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David Lennon

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