CPU overheating after installing MSI Twin Frozr GTX 750 ti 2 gb gddr5

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marathawarrior

marathawarrior

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I got myself a GTX 750 ti and I tried to install it. The drivers that came with the CD's didn't work. And my pc started shutting down as if the power is turned off. After that if I immediately try to turn the pc on I can hear the cpu fan making too much noise and the heatsink is too much hot. After sometime if I try again it boots with "Start Windows Normally". So I removed my processor and found that it has almost became one with the heatsink. Somehow I was able to separate it. Applied new Cooler Master V1 IC Value thermal paste and tried again. Now my pc works and I can play games like The Crew and AC Syndicate on the pc but there is a minor black screen for a second in between loading screens as my processor is running on 74 degrees I am afraid of getting my processor damaged. Anyone knows what is happening? Can the new 750 ti cause the processor to overheat?

My rig is:
AMD FX 8350 Processor, MSI 970 Gaming Motherboard, Transcend 4 GB x 3(12 GB) Ram 8.00GB usable, Windows 7 Ultimate x64, Samsung EVO 128 GB SSD, Seagate Barracuda 1 TB HDD, Samsung 80 GB HDD, Corsair GS600 PSU, MSI Twin Frozr GTX 750 Ti, Cooler Master Storm Stryker Cabinet.
 
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DillonJ3K

DillonJ3K

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your gpu wont cause your cpu to overheat. What could though is to much or to little thermal paste between the cpu an heatsink. To few fans in your case, or the case isnt getting enough airflow.( blocked air intakes). You could have knocked the cpu cooler or fan of it out of place or damaged it somehow.
Seeing as how your gpu is a open air type its blowing all its heat into the case instead of out the back panel. Causing the air in the case to rise in temp.Which causes your cpu to rise in temp given you dont have adequate airflow in your case from to few fans, fans set up wrong, blocked air intakes. Always better to have more air coming in then air going out.
 
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apk24

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The 750ti is a 75W card. I highly doubt it is significantly contributing to the internal case temperature unless it's a tiny case, or has no airflow. Now, are you sure you fully and properly installed CPU cooler? Are all the fans installed in the right orientation and plugged in to the right ports? Often times, it's easy to overlook the basics when you're worried about your parts. Which cooler do you have? Is your CPU overclocked? 74C is a little hot for the stock 8350 under the wraith cooler. Have you checked the cpu fan curve in your mobo's config? It might just be that it no longer cools the CPU effectively until it reaches 74C. Try setting the fan curve to always on or full or performance, or some such preset setting, and see what happens.

There are only a few things that can adversely affect CPU temp:
Cooler not properly installed
Bad/not enough thermal paste
Cooler fans not running
Cooler fans running but wrong orientation/direction
cooler fans blocked
Case fans not running
Case fans running but wrong orientation
Case fans blocked

For the wrong orientation things, you want to make sure all of your air is flowing in the same general direction,
For example, it starts at bottom front and flows out top back, or it starts in back and flows out front, etc.
 
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marathawarrior

marathawarrior

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Cpu works fine everything is in place, but it overheats when I play any game. As the MSI 750 ti is a bigger card than my previous ATI Radeon 5770 HD 1 GB GDDR5 card it seems to have blocked plenty of airflow to the processor. I changed my rear panel exhaust fan's face inwards so as to intake cool air and I am looking at 21 degrees temp at idle. However if I play The Crew or even League of Legends it spikes up to almost 38 degrees before the game screen appears and continues to increase upto 74 degrees in almost 80 mins.
 
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marathawarrior

marathawarrior

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My air intake starts from the bottom of the case and flows out from the top and rear fan. I have a CM Storm Stryker Case but still this is a very big card which seems to have blocked almost all air for my processor. I've applied good amount of Cooler Master V1 IC Value thermal paste on the processor and it is running cool while idle now but, if I start any game it spikes up to 38 degrees and then keeps on increasing to a max of 74 degrees (which I was able to monitor with CPU-ID HW Monitor software, maybe went higher than that) and after reaching its max temp the pc just shuts down without any message as if power switch has been turned off.
 
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DillonJ3K

DillonJ3K

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cpus have a safegaurd on them. theyll shut their self off if get to hot. And you wont see a problem most of the time when its idle. Itll happen when you try an do something, like run a game. You said you applied a good amount of thermal paste. That could be to much, which would cause it to overheat. You usually dont need more then a pea's size worth of thermal paste.
 
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marathawarrior

marathawarrior

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I'll try cleaning and re-applying the paste.
 
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DillonJ3K

DillonJ3K

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coffee filters are pretty good for cleaning.
 
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apk24

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The computer shutting down is the over temp protection kicking in, it shuts itself off so that it doesn't cook.

I don't think we're talking about the same case. I am thinking of this CM Storm Stryker. That case is fairly large. There's no way a 750 ti is blocking your air intakes on this case. I'd have a front fans be intakes and top and rear fans be exhaust on this case. I'd try to keep intake slightly more than exhaust. Overall, I doubt your case or fans are causing problems though. What cooler are you using? Is your CPU overclocked?
 
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marathawarrior

marathawarrior

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I am using the fans that came with the case two fans front, 1 fan rear, and 1 big fan at top. With the rear and top being the exhaust and the front fans throwing the air in. Also I've added one BitFenix Spectre fan at the bottom for air intake and no I do not overclock. The cooler is old one than the new wraith one as I bought 8350 in 2014-2015.

The reapplying of paste worked for some days and again today the same thing is happening. My GPU Replacement days are running out if it has some problem with it which causes the pc to shut down please let me know. Thanks.
 
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