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System problems after Gpu install.( Not responding, Slow ) Caution long post

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January 14, 2014 9:01:00 AM

Hi all,

Let me start out by explaining my situation. Everything was running fine until about 4 days ago, The day after I installed my new gtx 760, then I noticed my computer was getting a little "Jittery". Now, I say jittery but it wasn't stuttering constantly you could just feel the computer being slower than it used to be.

I first realized the problem when Firefox would randomly have fits of "not responding", they each wouldn't last more than 30-50 secs but they happened with a good deal of frequency. Opening up a new tab after doing nothing for a bit, Not responding. Open a new page, not responding. Now, I thought this was a Firefox error alone so after trying to fix it (to no avail) I just gave up and installed chrome.

But then guess what! Same deal It would have periods of not responding and just general sluggishness. Although, it happened at a lesser rate than Firefox. But then I noticed something else. I went to play Crysis 3 and the game was unplayable! The frames were fine, they weren't dropping. But the game itself felt broken! Music would skip, you couldnt walk forward fluidly you had to continue to press the w button every other second to keep moving. But the game visual wise ran fine! The visuals looked fine no blurring or artifacts. Now, I was at a part of the game where the AI controlled cannon turret is trying to blow you up, the cannon still fired fluidly and had no problems shooting my spazing self as I stuttered across the field.

So I was confused, The only part of the game that was broken was my movement some music and dialogue...wonder if its just crysis? Nope same deal happend in Skyrim.. Though In Skyrim it seemed I got farther in game per W push without stopping.

Now this wasn't the only problem, Now files and programs would take a stupid long time to load or start. Opening or completing actions in folders would sometimes cause that folder to go unresponsive.

Now I was confused, and the internet offered no help to my movement issue. So I tried the normal running CCleaner on web,applications, cleaning registry, Defragging the harddrives in Windows and with defraggler. Nothing fixed the game issue or the file problem..or the general "slowness" (but the browsers run all clean now) So I decided to do a clean uninstall (with guru 3d DDU) of my Nvidia drivers and tried rolling back to the last stable release (331.82) So to test it out I played FarCry3.

In FarCry 3 the problem was so bad you had to press W every time you wanted to move forward another step. But I kept playing through FarCry 3 a little to see if that was the only problem. Now this was only the first stage and so far all I had done was stutter and try to avoid guards. When the game prompted me to throw a rock (complete my first real action other than WASD controls) The game froze as soon as I pressed the action key (T). The game didn't CTD just kinda froze. So I Ctrl+alt+deleted my way to freedom.

At this point I was so mad with my computer and myself (for not knowing how to fix the problem) I just shut it off and went to bed.

So now I'm here asking for your guys help with this problem and to thank you for sticking with me through this stupid long post. Any help is appreciated. Im at the end of my knowledge with this, the next thing I can think of is re booting Windows in OOBE and if that fails doing a clean re-install of windows (last resort).

Extra info

about a week before the gpu arrived I installed a new mobo ( Asrock 990fx extreme3 am3+)
and new cpu (Amd FX 8320) into my system and added an extra two sticks of ram (4gb total) since I now had 4 ram slots. I put windows into OOBE mode before the install and everything went fine. I could also detect the speed increase in the system and everything ran great...until the gpu install.


System Specs

Motherboard: Asrock 990fx extreme3 am3+
Cpu: Amd FX 8320
Ram: G.SKILL Ripjaw 4GB (2 x 2GB)DDR3 1600 and Team Vulcan 8GB (2 x 4GB) DDR3 1600
Psu:Thermaltake TR2 TR-600 600W ATX12V v2.3
Gpu: GTX 760 windforce 4gb OC edition. (previously gtx 260 core 216)
Os: Windows 7 64 bit.

Best solution

January 14, 2014 10:21:49 AM

Test the games again (like Crysis) while in-game monitor the CPU/GPU/PCH temps, usage and voltages, also exactly how many FPS are you getting while playing? how much do they jitter?, game might look fine but FPS could be jumping all over the scale.

The overall slowness of the system usually is related to:

- low RAM (did you verify system is still recognizing all 12GB you have? maybe some RAM stick moved when changing the GPU)

- slow/ damaged HDD (which you would have already detected when you degragmented it)

- an issue in the North/South bridge since those control the communication between HDD to RAM to CPU, perhaps the new GPU is blowing hot air on top of the chipset thus affecting its performance?
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January 14, 2014 10:30:52 AM

RaDiKaL_ said:
Test the games again (like Crysis) while in-game monitor the CPU/GPU/PCH temps, usage and voltages, also exactly how many FPS are you getting while playing? how much do they jitter?, game might look fine but FPS could be jumping all over the scale.

The overall slowness of the system usually is related to:

- low RAM (did you verify system is still recognizing all 12GB you have? maybe some RAM stick moved when changing the GPU)

- slow/ damaged HDD (which you would have already detected when you degragmented it)

- an issue in the North/South bridge since those control the communication between HDD to RAM to CPU, perhaps the new GPU is blowing hot air on top of the chipset thus affecting its performance?


Alright I will monitor the voltage and temps. The overlay at the time was only monitor FPS/MEM/and clock. They were all stable. Crysis stayed around 45 and I believe FarCry3 was around 50. No huge spikes or dips that I caught.

System recognizes 12.0 gb
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