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Thermal Event In A Dell Dimension And My Temper


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#1 kmusic381

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Posted 11 September 2007 - 09:54 PM

Hey all
Hoping you can help me. My wife's Dell Dimension 3000 is on the fritz. It shuts down then when I am able to reboot I get a screen that tells me of a thermal event. But 9 times out of 10 the computer will not even get going. It may turn on for a brief second but immediately turns off. Any idea as to what may be causing this? I have opened up and blown it out with compressed air so that is not the problem. Thanks in advance for your help!

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#2 dc3

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Posted 12 September 2007 - 12:03 AM

When you cleaned out your computer did you clean the heat sink and fan on the CPU and the locations where air is drawn into the computer?

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#3 kmusic381

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Posted 12 September 2007 - 09:24 AM

Yeh, I cleaned everywhere I could-then again where is the heat-sink

#4 M...

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Posted 12 September 2007 - 09:38 AM

Hello kmusic381,

"Dell Dimension 3000 Systems Service Manual":

http://support.dell.com/support/edocs/syst...en/SM/index.htm

Click on "Removing and Installing Parts", then click on "Processor". That will show you where the heat sink is located.

Edited by M..., 12 September 2007 - 09:39 AM.


#5 Sneakycyber

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Posted 12 September 2007 - 04:50 PM

If you remove the Heatsink you should install new thermal paste, Arctic Silver is one of the best available. If you re-use the old past your adding to your problem.


Edit: grammer

Edited by Sneakycyber, 12 September 2007 - 04:51 PM.

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#6 kmusic381

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Posted 12 September 2007 - 08:25 PM

I used compressed air to clean out the heat sink. Any other ideas?

#7 mand0

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Posted 12 September 2007 - 08:30 PM

I would remove the heatsink, clean any dust stuck inside there, and reapply thermal paste. If it still keeps happening it must be another component that's overheating.

#8 usasma

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Posted 15 September 2007 - 09:24 AM

If you have a separate video card, check the fan on it.
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#9 kmusic381

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Posted 03 October 2007 - 08:11 AM

Okay, so I took out the heat sink, cleaned that, replaced the thermal paste. The computer started up, then two days later it died again. Now it will only flash on then flash right off. I do not have a separate video card and the whole of the computer has been cleaned. Any other ideas?

#10 DaChew

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Posted 03 October 2007 - 08:57 AM

I would try another power supply first, especially if I could borrow an extra one from someone, make sure it's at least as strong as the installed one, you can test without even pulling the old one if you are ingenious enough

usually the first thing to go in those budget entry level computers

all the dirt and dust on fans and heat kills them

if there were signs of the old paste on the cpu running down like it had fried then the cpu may be dead, I have only see that a few times tho
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#11 kmusic381

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Posted 03 October 2007 - 09:42 AM

Do I have to match the wattage output exactly from the factory issue? Also, are power supply's a one size fits all type of thing, or do I need to measure the one I have?
Sorry, I know very little about this stuff...

#12 DaChew

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Posted 03 October 2007 - 01:11 PM

the manual shows a standard one, but it's not going to be very deep since the case is a mini atx

you could just take your computer to a shop
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#13 ddeerrff

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Posted 03 October 2007 - 01:28 PM

Dell Mo'boards had an issue with faulty capacitors a couple years ago. Give the board a thorough look-see for any leaking or bulging capacitors. These caps should be flat on the top, not rounded. 'Thermal event' was a symptom of that type of failure.

An example of the capacitors to look at can be seen here.
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#14 kmusic381

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Posted 04 October 2007 - 09:10 AM

The capacitors were all looking good, no bulging or leaking. I think I will just go with a new power supply. Thanks for the advice-don''t be surprised if I am back.




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