Very Weird Overheating Problem

[Dean MF]

I recently started getting a weird overheating problem with my pc.

While it boots up, it overheats extremely. The cpu goes up to 69 degrees! When this happens, the pc either stucks or switches off.

I can immediately power it back up again. It boot up XP completely and then shuts down again automatically.

If i do this a few times it eventually stays on. When the pc stays on it drops temperature to about 50 degrees celcius. When it dropped, i can carry on working and play any game for the rest of the day without any hassles.

This only happens when the pc has been off for a long period of time. (>2 hours)

I am almost sure i have sufficient case fans. I have 2 x 80mm intakes in the front of the case, 1 x 120mm exhaust fan at the back and a spotcool 80mm fan pointing at the RAM. I also have a blower on the graphics card.

Anyone have any ideas?


My PC Specs:

Board model Genuine Intel(R) D865GBF system board
OS version Windows* XP version 5.1 Service Pack 2 build 2600
Processor Intel(R) Pentium(R) 4 CPU 3.00GHz
Bus speed 800 MHz
L1 cache Data Cache 16KB, Execution Trace Cache 12K Micro-ops
L2 cache Advanced Transfer Cache 1024 KB
Form factor Socket 478
Physical memory 1,024 MB RAM
Memory speed DDR400
Video Card Ati Radeon X800 XT Platinum Edition
PSU ATX Pure 400W

[xbanhcuonx]

well...are you blocking off your computer so no air can get in/out?...<.<...

[JPMiller]

Don't be so sure its a heat issue...
Sounds like you have a generic garbage PSU...
A dying underpowered PSU can have all sorts of issues...
From a cold state, all your components are powering/spinning up at the same time, and its at one of its heaviest draws...
Once its been "warmed" up, it may perform better and stabilize enough to work...
If the cooling issue doesn't seem to make sense, thats what I would concentrate on next

[Dean MF]

My pc case is open on both sides with a normal home fan pointing at it as well. The pc is standing on a table where is get enough air ventilation from all sides.

The PSU is about 5 months old, bought it cause I had problmes with my old one. Its not a generic one though.

Intel active monitor (mobo proggie that gives cpu and zone temperatures) says is definately overheating. When booting up.

From the last time i posted, it has gone a bit worse now. When i run a cpu intesive program like to thorough systems scans, the cpu rises toabout 67 degrees

[Douce33]

have u double checked all of the little things, like making sure they HSF is seated properly, thermal paste, etc. My parents have that CPU and theirs runs at about 50C so it does run kinda hot, but it didnt hit the temps u spoke of except once when one hook of their HSF wasnt fully clipped in, so just make sure all the cooling directly related to the CPU are taken care of.

[Dean MF]

The thing is, i upgraded my case cooling about a month ago, new thermal paste, a few case fans, spot fan and the blower. It used to run at about 45 degrees idle and +/-55 degrees at load.

About a week ago this problem started. I checked everything and it seems to be okay.

[vick.x6]

Try reseating your heatsink a couple times

[Dean MF]

Meaning: Removing it a few times and putting it back in again?

I did that as well - got slightly worse for some reason. Will try again though. Thanx

[Douce33]

Originally Posted by Dean MF

Meaning: Removing it a few times and putting it back in again?

I did that as well - got slightly worse for some reason. Will try again though. Thanx

i know we havent exhausted our options yet, but if all else fails, u may have to go to aftermarket cooling. is that an option u want to research?

[Dean MF]

Anything that will help. Even considered water cooling. Is watercooling gonna make such a big differene some people say it will?