Hey, I just built a mini-itx computer in a Thermaltake core v1 (Snow for style points). It's running an i5-3450 (because I already had the LGA 1155 mobo) and runs perfectly fine with no graphics card installed. However, as soon as I plug in my GTX 970, the CPU begins to overheat and the computer shuts off after about a minute, then won't come back on for more than 15 seconds while the cpu cools off. I'm already ordering a new cooler to replace the stock one, but what I don't understand is how my GPU can cause the cpu to overheat. It's not a case issue, I tested that by unplugging the GPU but leaving it in the same position in the case to see if it was just blocking airflow, and the computer worked fine with no heat problems. Any information I should know about why my CPU can't seem to handle the 970? The only other fail point I can think of is my PSU, which is fairly old but is 750 watts. Plus, it works fine as long as there is no GPU. I have an old 660ti I can try in the case to see if that works later, if people think that would clear things up.
CPU Overheating With GTX 970 Installed
- Thread starter PoSpoon
- Start date
Solution
I haven't managed to test it with the GPU installed yet, I can try to get that number later but I'd estimate over 90 degrees, it triggers the motherboard to give me a thermal warning. Without the GPU it runs at 71 degrees last time I checked (will get more accurate numbers later). I've built a few computers but I'm still pretty uninformed about some of the details, is there any reason the GPU could be too powerful for the CPU?
mcnumpty23
Polypheme
- Jul 15, 2011
- 15,519
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is it a gtx970 that dumps the heat into the case?
or the reference blower model that blows it out the rear?
or the reference blower model that blows it out the rear?
It's the Evga model, with the two fans on the front, so not a reference blower I think. There's a a mesh right next to the fans on the case, I assumed it was blowing air out, you think it's actually just pouring heat towards the cpu, and that's causing it? It's the speed with which the system shuts down that confuses me
mcnumpty23
Polypheme
- Jul 15, 2011
- 15,519
- 0
- 66,960
never done a mini itx build so not got any experience of them
but would imagine in such a small enclosure heat could build up very rapidly indeed
does seem to be either the heat from the 970 or the psu isnt up to the job though
but would imagine in such a small enclosure heat could build up very rapidly indeed
does seem to be either the heat from the 970 or the psu isnt up to the job though
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