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CPU running amazingly hot, or something else?

post #1 of 22
Thread Starter 
Hey guys, I've been having a real problem with my Phenom II X4 965 Black Edition. I got it about a month ago, and it seemed to work fine, but last week it shut off on its own. When I turned it back on, the BIOS (I've got an M4A88T-V EVO/USB3 mobo) said that it powered off because of the temperature.

Well, I let it cool for a while, and reseated the (stock) heatsink, and then turned it on. I downloaded SpeedFan, and was astounded that it was reporting temperatures in excess of 90°C for the CPU and 110°C for the core. I haven't overclocked my CPU at all since I built this rig, so I'm not sure why they would be so high. Right now, I've turned on Cool N' Quiet, lowered the voltage from 1.375v (which was the stock) to 1.32v, and it's still hovering at 55°C CPU and 59°C core, even though CPU-z says the CPU is running at 782MHz (because of Cool N' Quiet).

I've decided to do a bit of testing, so today I reset the voltage to default and turned off Cool N' Quiet. I put the CPU under max load, and learned that it powers off automatically when the CPU temperature reaches 100°C.

This is the part I'm curious about: why do I notice no instability at all? Here's some things I've done:

1) Updated BIOS to latest version. Obviously, no change.
2) Reseated heatsink, opened case, blew a fan inside. Very little change.
3) Tried to balance temp at around 95°C CPU (110°C core) for a long period of time. Did it for 45 minutes under max load. No instability noticed.
4) Reapplied thermal paste. No change.
5) Dusted out case, fans, and heatsink. Tiny change (3-4°C).

So I'm thinking that the BIOS is improperly reading temperatures, even though I've updated, since I'm not noticing any instability. I'm tempted to reset my clocks to default and disable the Thermal Protect option so that I can actually use my computer with the default clocks, but I'm not sure that's a good idea, because I'm not really sure if my computer IS running that hot or if it's a temp reading problem. I don't notice any instability when it's running that hot, but I'm not sure if I should be or not.

Note that the temperature reading is this high no matter what I check it with, even in the BIOS itself. Also, all of the fans are working correctly, so that's not the problem. Indeed, I have them all running at max speed at the moment.

Thanks, I hope someone can help me with this.
post #2 of 22
What cooler do you have on your CPU? and yes that is far too hot for normal use. 65C should be the absolute max it should reach ever.
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Fooxz Gamer
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post #3 of 22
90°C is pretty hot man, so go ahead and touch that heatsink to "measure" the heat. If it burns your finger, then yes it's running really hot, and is malfunctioning (the chip). If you are able to keep your finger on it without burning yourself, that means that the chip is actually fine, but your sensors are malfunctioning.
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post #4 of 22
Thread Starter 
Alright, I'll reset the clocks and let it get hot, then try touching it. Will report results.
post #5 of 22
Please be careful though! I want to keep my conscience clean
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post #6 of 22
Are you sure your CPU fan is spinning like it's supposed to?
 
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post #7 of 22
Get HWMonitor, see what that says.

Then when the PC is running, touch the heatsink, if its hot, then somethings definitely wrong, if its cold it means you havent put the cooler on properly (thats what im putting my money on) or the bios is misreading the temps somehow.
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post #8 of 22
Quote:
Originally Posted by Cyph3r View Post
Get HWMonitor, see what that says.

Then when the PC is running, touch the heatsink, if its hot, then somethings definitely wrong, if its cold it means you havent put the cooler on properly (thats what im putting my money on) or the bios is misreading the temps somehow.
How long do you think a computer can stay turned on for without a heat sink/fan? He mentioned that he has had no instability issues. Usually when a chip is overheating the PC either A. Starts beeping. B. Shuts off and doesn't turn on until the chip is cooled down. C. Doesn't turn on at all.
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post #9 of 22
try reseat the cooler if the problem still exists after the "finger method"
    
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post #10 of 22
Thread Starter 
Alright, so I just turned off my PC, entered the BIOS, and let the temp run up to 90°C for about 6 minutes, then unplugged it and placed my hand on the heatsink. It was a bit warm but I could hold my hand on it without it being uncomfortable, so it does seem to be a problem reading temperatures.

I've reseated the heatsink more times than I can count, and it's never changed anything. The CPU fan is working fine, and the BIOS reports it running at 3500RPM. It sounds like a jet engine when I get close to it (the stock fan that comes with this CPU is really loud).

Again, I'm thinking about disabling the BIOS Thermal Protect option so it won't shut down since I'm pretty sure it's a reading problem, but how safe would that be? I'm not planning to overclock anything, so it shouldn't be an issue right? This seems to be the only way I can use my computer normally without having to underclock it (the effects are noticeable the way I have it now) because the BIOS shuts it down pretty quick.
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