Upgraded mobo/CPU. Computer runs fine until i restart then it becomes slow and choppy. Any ideas?

walrus_14

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Nov 21, 2013
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I upgraded my motherboard and CPU. At first I just wanted to upgrade CPU to an i7 kaby lake to keep up with 144hz games. I should have been able to update BIOS on my old mobo and run the new gen intel just fine, but i absolutely could not for the life of me get my BIOS to update properly on the old z170 motherboard, so i gave in and got a middle of the road z270 mobo. (SPECS AT BOTTOM)

When I first started the computer it was very slow and choppy. Browsing is incredibly slow, the system even lags when I move the mouse too fast or press the windows key. Its BAD. When I uninstall graphics drivers with DDU and install the nvidia drivers again, the computer runs perfect. No problems whatsoever. Its fast and snappy. However when i RESTART the computer, It immediately goes to crap again. Slow, choppy, and hardly even usable. If i try to play a youtube video for example, the video is extremely glitchy, the sound is cutting out and distorted, and after 5 or 6 seconds the entire PC freezes and I'm forced to unplug the power.

I've tried swapping out RAM, trying different RAM slots, adjusting RAM timings. I've used both drivers from the motherboard disc as well as the new ones from the website. I tried booting from another hard drive, removing all extra hard drives except the boot drive. I've returned to default BIOS settings. I uninstalled/reinstalled mobo and chipset drivers twice

I swapped out the CPU and mobo. I did a fresh install of windows (3 times now). I even wiped the whole boot drive. I've uninstalled graphics drivers using DDU. (I have a 1080ti) Installed them back from the nvidia website (where my computer works perfectly until I restart it) I've tried to update every driver I can think of. I have ran anti-virus.

GPU temps are fine. CPU temps are fine. Mobo/RAM temps are fine. I've ran BIOS at default settings and even underclocked everything just to be sure. All my components (besides the new mobo and CPU) have worked fine for months or even years now.

The computer also works fine when I run on microsoft generic graphics. (no graphics drivers) It CONTINUES to run fine when I reinstall the 1080ti Nvidia drivers. ONLY WHEN I RESTART, does everything immediately goes back to crap again.

I have tried to use intel HD graphics but I get the error that my "system does not meet minimum specifications". (I tried to find a fix for that as well, but i can't seem to)

I'm at a complete and total loss. I've been googling for 6 or 7 hours now and I'm desperate. I found ONE other person with this problem.
http://www.tomshardware.com/answers/id-3308686/computer-graphics-choppy-restart.html

Thanks so much

SPECS
OS: Windows 10 64bit
old CPU: i5 6600k 3.4
old mobo: GIGABYTE GA-Z170X-UD3

new CPU: i7 7700k 4.2
new mobo: MSI Z270 GAMING PRO CARBON

PSU: Corsair Hx 750W
RAM: GSKILL Ripjaws V series 16GB DDR4 3200
GPU: ASUS ROG Geforce GTX 1080ti


UPDATE computer runs "fine" again if I disable the 1080ti in the device manager. Obviously though I need that for gaming. Computer is lagless and 0 glitches while the 1080ti is disabled.
 
Solution

Very puzzling. Do you happen to have another PC you can test with? I wonder if there is a hardware fault with your GPU, I haven't seen one with a video card which allows the PC to run as it should but with stutters. But a simple test...
I would suggest you check your system/motherboard/chipset drivers. Check device manager for yellow exclaimations.

If all looks in order:
Uninstall the drivers for your 1080ti and all the other stuff (especially geforce experience).
Go to NVidia and download the newest versions again. Then install ONLY the drivers you need.
I know you basically did this before. I suggest you do it again and make sure to only install the basic video drivers.

No improvement?

Get sysinternals (free from Microsoft) and use autoruns to see what is starting with your PC. Are there things starting which you don't have or can't use?


 

walrus_14

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Nov 21, 2013
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I'm running just basic drivers right now. Doesn't help.
I Just ran it.

Says Wndows Media Player, DrvAgent64, _wow64, _wow64cpu, _wow64win, and _wowarmhw are not found.

Thank you for the reply.
 

walrus_14

Honorable
Nov 21, 2013
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"windows resource protection did not find any integrity violations."

I tried to do a repair install as well and Windows said there was nothing wrong there either. I'm at a loss
 


If it were my PC, I would cut my loses and format and re-install at this point. Continuing to chase some obscure fault likely caused by a utility and not direct action by you (meaning undoing it is not a given) it can consume so much time, while a re-install and you are up and running by EOD.
 

walrus_14

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Nov 21, 2013
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10,510


Is there a different between a re-install and a format install?
Thanks again for your help
 
re-install leaves your non-OS folders intact. But all programs need to be re-installed. Format and re-install is completely clean. It empties the disk completely (backup your favorites, documents, images and saved games first).
 

walrus_14

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Nov 21, 2013
16
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10,510


So I formatted. Re-installed using just my windows 8 disk. Was going to try just windows 8 but my graphics drivers are only compatible with 10 so I had to update. Just sat down again on a fresh, formatted install of windows 10. Same problem. SUPER frustrating
 

Very puzzling. Do you happen to have another PC you can test with? I wonder if there is a hardware fault with your GPU, I haven't seen one with a video card which allows the PC to run as it should but with stutters. But a simple test would be to try the same card in a different PC and a different card in your PC.
 
Solution