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Anytime I touch the heatsink - computer makes a beeping noise

Posted on 2006-06-06
Medium Priority
Last Modified: 2012-05-05

Dealing with a Dell Dimension 4700 - everytime I touch the heat sink
the computer makes a beeping noise - then I get a black screen.

Any ideas what It could be ?
Question by:jetsonx
LVL 88

Accepted Solution

rindi earned 376 total points
ID: 16847491
That most likely means the heatsink isn't seated properly, and when you touch it you are displacing it more. The Heatsink should allways sit very snuggly and tightly on the CPU to make sure the heat is dissipated properly. Id remove the heatsink, clean it's surface and also that of the CPU very thoroughly, then add just a tiny amount of thermal transfer paste, and then clamp the heatsink firmly into position.

Expert Comment

ID: 16849564
I agree with Rindi, but I'm curious as to why you're touching the heatsink while the computer's running.
LVL 93

Assisted Solution

nobus earned 372 total points
ID: 16849908
it should not beep in the scenario described; therefore i assume there is someting touching the heatsink - so check it for touching parts.
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LVL 32

Assisted Solution

Mark earned 372 total points
ID: 16857367
Or--> a loose pin on the CPU. Bad CPU socket on the motherboard.

Expert Comment

ID: 16858951
I agree that it shouldn't beep, but I'm still curious why somebody would be poking around inside the case when it's powered on. I've done it before myself, but it was because I was troubleshooting something else. Is that the case here? If so, it might be related to this problem, so it would be good to know. :)

LVL 12

Expert Comment

ID: 16883730
>but I'm still curious why somebody would be poking around inside the case when it's powered on.

To look for overheating parts.
A very common diagnostic technique.

Expert Comment

ID: 16899840
> To look for overheating parts. A very common diagnostic technique.

That's exactly what I was thinking. What prompted this in the first place? Knowing the symptoms that made Jetsonx open up the PC and start prodding around might help us understand why it beeps when the heatsink is touched.

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