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Myriad of problems cpu/mobo/hs?

redgen

Junior Member
So two weeks ago I bought a 2.66coreduo, some ddr2 1066 ram and an EVGA 680i a1 mobo.

Installed fine, up and running. Launch a game and then boom, power off. CPU Temp reads 88deg celsius, thats bad- turned off. Turned it on again and checked the heatsink fan: not spinning, so I immediately shut it off again. Friend comes over 2hrs or so later and turns it on and goes STRAIGHT to bios, and the temp hits 90C in seconds on a COLD BOOT, something we'd assume to be impossible. We blame it on mobo/cpu so I RMA both.

I refunded the mobo due to some bad reviews and picked up a higher rated intel board, and replaced the same processor.

Installed everything, was settin up drivers- comp had been on for a while now during the windows install. I decided to check the cpu temp and it again (in bios).. was reading a now 86cels, with a brand new cpu and motherboard and a Silentknight aftermarket heatsink fan SPINNING. In the bios it said my heatsink fan wasn't spinning (0 rpm), but it really was; I was watching it spin.

specs:
D975xBx2 Intel mobo
2.66 core2duo processor
2x1gig gskill ddr2-1066 ram
EVGA 7900 GT 512mb
OCZ 700w PSU

As far as properly mounting the heatsink and paste, I'm fairly sure I did it correctly. Very thin coat spread with a plastic card, heatsink secured tightly.

My question now is how the hell can I fix this, or test the cpu for REAL temperature? Is there a plug im missing or something? Some box I didnt check? I REALLY REALLY REALLY Don't want to RMA another set of items, ive been out of a computer for a week and a half. Please help if you think you can, I am developing a twitch from comp withdrawls.


EDIT: A fun update; I took the heatsink off to check the processor for any visual damage or burns and decided to plug it back in and check the temp using coretemp or some other temp testing program that goes around the mobo.. I plug everything in and now I can't even get a visual on my monitor. Just says no signal. I tried the only thing I could think of which was reseating the gfx card but that of course didn't work. When I turn it on it makes a few computer "im working" clicks with NO beeps, and never displays visual to my monitor.

someone please throw me a rope, I'm putting the gun to my head. I cant take it anymore, I'm going on 2 weeks with no computer, I'm ready to throw myself and it off a building.
 
OK, this is one reason why I have more than one computer. I understand that it can be very frustrating. First off, be aware that life doesn't begin and end with your computer. You can live fine without it, believe it or not. I just visited a friend of mine and he hasn't bothered even setting up his computer in his digs and feels he has no need to. Fine.

You say your new CPU/mobo has a functioning HS/Fan on the CPU but reports very high temperature. You see the fan spinning, right? The machine won't function. Are you sure your video card fan is functioning?

Until you get things working, you should run the machine with the cover off. That will at least reduce running temperatures.
 
Gfx card fan is spinning, case side off.

I can't really do anything since I can't even get into the bios due to the monitor not displaying anything. I'm trying to get a hold of another PCI video card to make sure it isn't my gfxcard that conveniently died.

and I know, my life goes on- it's just driving me crazy with one problem after another. Not being able to do simple things like check my email/bank account/writing papers etc are making my life troublesome.
 
Start by reseating everything.

I suspect your problem actually is faulty RAM or a faulty Video card. Try replacing one or both if you can.
 
have you tried clearing the cmos?? Also pull the battery out, unplug power from the pc and leave the battery out for about 15minutes or more.

 
So since my last post I've reseated the gfx card, obviously didnt work. Tried different vid card slots, no go. Tried using a different vid card, still didnt work.

My friend suggested reseting the cmos and to check my mobo manual but I couldn't find anything with instructions?

Could anyone shed a little light on how this is done? I would greatly appreciate it. I'm slowly beginning to think I'm going to have to hand this off to someone who knows what they're doing... but its sooo expensive, I'm hoping to avoid it.

thx for the input thus far gentlemen.
 
Your mobo manual should definitely contain instructions on how to reset the CMOS. If not, email the manufacturer and ask.

Have you tried replacing the RAM? There is about a 50% chance that this is the culprit.
 
Originally posted by: oynaz
Your mobo manual should definitely contain instructions on how to reset the CMOS. If not, email the manufacturer and ask.

Have you tried replacing the RAM? There is about a 50% chance that this is the culprit.


In my experience (although I'm not sure I've ever done it), you reset the CMOS by putting a jumper across a couple of pins on the MB. Of course, you have to know which pins and you should follow explicit instructions for your MB, so you will need them. Do you have the manual?

To test the idea of bad RAM: Your specs in the OP say you have 2 one GB sticks of RAM. You can try running with just one stick and then running with the other. It's unlikely you have two bad sticks.

How is the CPU HS/Fan getting power? Is the fan plugged into a designated CPU fan connector on the MB? You said your BIOS reported 0 RPM for the CPU fan, which makes me suspect something is not connected properly. Is there supposed to be a separate connector from your PSU to supply CPU power? I believe mine has that.

Read through the manuals for your MB and PSU carefully for details on proper installation. Does your video card require a direct connection to your PSU? Mine does, and if it doesn't have it, it won't function properly. Maybe yours won't function at all without it.
 
As Muse mentioned, the fact that your BIOS is reporting 0rpm CPU makes me think there is a connection issue. Is your HSF connected to the ?CPU Fan? lead on your Mobo? (It should be written on the board under the fan headers, but is also in the manual) If all else fails, you can discount the HSF issue if you try booting with the Intel sock HSF. It?s not great but it?ll get the job done.

As far as your overall not booting issue, Muse is again correct. The most common issue I run into with crashes at windows loading screen is not enough power reaching the GPU. Check and make sure you have all the connections tightly attached. (I think the 7900 uses a 1x6pin PCIe power connector ? check that it is fully inserted into the GPU)

Hope this helps!
 
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