Question about Dell Dimension 4700C PC Desktop

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Overheating my dimension 4700c overheats and shuts down. It also runs pretty load. my solution is to put a large fan up near the back of the computer, put this is not an ideal ix..

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  • 13,433 Answers

The cpu fan would need to be replaced and therman greeze added in between.

also the airflow in the case should be maxed out by puting all the cabels togeter with something like this

http://www.juhaste.fi/kuvat/nippu.jpg

Posted on Apr 20, 2008

  • Ekse Apr 20, 2008

    I mean the fan heatsink (includes the fan)

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Overheating When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail.
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Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.

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Sounds like you are overheating. One way to tell if it's overheating is you say it will run for about 30 minutes then shuts down. When it shuts down try rebooting to see if the boots successfully. If it fails to boot successfully right after it shut down then you are probably overheating. If you wait awhile to let it cool down for 30 minutes or so and if you reboot and it does it successfully you definitely have a overheating problem. If I remember correctly all those compaq sr series have loud and fast running fans. Computers overheat because of three reasons for the most part: 1) A fan has stopped working. 2) The Thermal Paste on the CPU and Heat Sink has dried up or is not thick enough to keep the unit cool. 3) Dust has clogged the fan vents and inside the computer. Fortunately for you desktops don't have to be completely disassembled like laptops to get to the fan, CPU and heatsink. Just pop the case and you'll see the components attached to the motherboard

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If it doesn't fix it, then reply here with any error messages that pop up on the screen.

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take off the side panel of the computer and listen to it a little closer when its on. there are very few actual moving parts so i should be fairly easy to isolate the noise. if it's a fan anywhere in the computer it can be replaced for less than 20 dollars and shouldn't be left till it dies, replace it , it's protecting something.

If it's a cd drive making the noise , it can be replaced for 25 dollars.

If it's the hard drive, then you need to back up your important files AS SOON AS POSSIBLE, because when it crashes, you generally have a hard time retrieving stored information from it.
hard drives can be replaced for 50 to 150 dollars depending on type and how large it is.
Most times the noise from a computer comes from the fans and power supply, then the cd/dvd roms , then the hard drive : so check them in that order. post here again if you need further assistance.. Regards

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The Dell 8300 does not use industry standard parts. You need Dell specific parts in order to replace the fan. Here is a link to a replacement fan shroud assembly for your Dimension: http://www.discountelectronics.com/index.php?l=product_detail&p=845
You may be able to find cheaper if you do a Goggle search and dig deeper. Hope this helps & please take a moment to rate this solution. Thanks.

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