This happens when it is getting too hot inside your computer. Take a can of compressed air and blow out the dust inside the computer, around the heatsink, fans, and any vents you see. Follow the instructions on the can for maximum efficiency. This will allow your computer to run cooler and the fan won't have to run on high speed quite as often, if at all.
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Popular Solutions for Dell Dimension 3000 PC Desktop
I bought the hp slimline s3707c a few months ago and I love it! But due to me being a huge gamer I...
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I bought the hp slimline s3707c a few months ago and I love it! But due to me being a huge gamer I needed to upgrade my Vid Card. The new card doesn't fit in the tower so I bought a bigger tower and was planning on just moving everything over to the new one but I'm having trouble disconnecting and disassembling everything because of how compact the tower is. Any suggestions on how to transfer the insides to a new tower without destroying them?