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CPU hitting 100 degrees

E

ebberz

Member
Woke up this morning to the sound of buzzing coming from the spare room and sure enough when I fired up RealTemp all across the board it was hitting 99 degrees.

The case is a HAF 932 with a large extraction fan on the roof, a 120mm on the back and another large one pushing cool air over the HDD enclosure.

Switched the PC off, removed the side panel and touched the aftermarket cooler (it's something like a Noctua) and the fins were pretty cool. Couldn't see any issues so booted it and hit the same result (to be expected given I only left it for about 5 minutes), confirmed all fans were running.

So I left it for the day, came back in 8 hours later and booted it. Straight to 100 degrees.
Booted it again but left the case on it's side this time into the BIOS, system showing 27 degrees and CPU showing 51 degrees.

Standing it up straight the temps start jumping up to 80 within about 20 seconds.
Shutting it down I had a look at the cooler and it does appear to be wiggling so maybe I need to re-apply some paste and re-set it.

Should the CPU jump to 100 degrees immediately on boot up if it's been cold all day?
I'm assuming as the cooler possibly tilts slightly on it's side when stood up this causes the dramatic temp rise?
 
I'd reseat the CPU cooler (with new TIM obviously) and check that. I'd also make sure the fan on it is working. From you changing orientations, it sounds like you aren't getting a good connection, thus your CPU is heating up quite fast.
 
MX-4 on order, just got to wait for it to turn up.

Meanwhile PC is laid on it's side with guts showing, just had to remove the back screws from the desk because knowing my luck I'd knock them off and into the fans.
 
The CPU area is tiny. It heats up very quick if there is no proper contact with the heatsink. The last time I had a bad mount on Socket 478, the temps were 80C in BIOS. Reapply a new coat of TIM(not necessary but its good practice before remounting) and make sure to clamp it down tight.
 
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