Question about Dell Dimension 4700C PC Desktop

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Dell 4700C - Thermal Alert

My Dell 4700C keeps having a thermal event. I replaced the power supply and this did not resolve the issue. When I ran the utility setup, it said it had a temperature problem not a fan issue. I also noticed in the event log that the disk has a bad block. Not sure if two items are related. Any suggestions?

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Check your Processor Fan. It might be too much dirty or loose.



Hope this helps.

Posted on Apr 30, 2008

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1 Answer

My Dell 5000e unexpectidly turns itself off.


There are a few things this could be, most of them are motherboard related, but there could be a cooling issue or a power supply issue. Check the BIOS log for "thermal events". Things like CPU overheating can cause weird reactions in the machine, called System hysteresis. Basically, the computer goes crazy, opening things, crashing, rebooting, etc. Based on what youve said, "restarts normally", I dont think there is a CPU issue, nor a memory issue.

The first thing I would try is replacing the power supply and remove the battery (just as a test), and see if the machine starts behaving better or exhibits the same issues.

I believe the issue you have described can be most likely resolved with a new motherboard, especially if the power supply route does not yield positive results. Bad news is, a p3 motherboard is rather hard to get, and hard to replace, and rather pricey. I would sooner consider getting another notebook pc before replacing the board.

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2 Answers

Thermal Event


This is likely one of the following:

1) the thermal paste under the fan is dried up and needs to be redone
2) The case needs to be blown out of accumulated dust
3) the motherboard has an electrical problem (old capacitors failing etc.)

It could be all 3 issues.

If you are somewhat skilled the first 2 are easy.

The last one can be fixed in many cases

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1 Answer

Dell 4700c will not boot


absolutely..when the power cord issue arises, then there is a problem with the input to the power supply..those are really cheap and easy to replace..

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Sounds like a heat issue, pop the side of your case open and turn on the PC, are there fans not moving? Take a close look at your processor fan if there is one.

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Power


You might have to change your power supply..(ex:SMPS or ATX)

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