Help!! May have messed up GPU due to overclocking. =(

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yic17

yic17

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Hi.

I recently tried to overclock my 980M and think I may have messed up the card or something is just wrong. First I used MSI Afterburner and it went well - I was getting 55 average FPS and 107 max FPS in Heaven Benchmark. However, my greed got the better of me and I wanted to push it further. And in Afterburner I cannot turn on the voltage control so I searched around and people suggested EVGA PrecisionX & Nvidia Inspector. And I believe one of these programs messed up my card. Basically, now no matter if I set the clock @ default values or raise it with any program (Afterburner included), I am getting the stock rate of 45 average FPS & 70 max FPS. I think the card is STUCK with the stock values.

I already tried reflashing the vBIOS and uninstall/reinstall the Nvidia driver. Nothing seems to work. No overclocking will apply anymore. Does anyone have any idea on what could be the issue and how to fix this?

I am OK with stock value really. I get around 30-40 FPS in Fallout 4 on ultra settings. BUT what bothers me more is that there may be something wrong with the card now that no OC will apply to it anymore. I just want my card to be OK. Thanks.
 
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Shaun o

Shaun o

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Oct 7, 2007
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It`s never a good idea to try and overclock a mobile solution of a graphics card, on a laptop.
What were the temperatures of the Gpu core when you overclocked the 980m gpu, and while you were playing fallout 4 when you overclocked it.

Often the result of slight damage to the Gpu is it will no longer overclock to any value you set above the stock settings.


 
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yic17

yic17

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I don't remember the temp during Fallout 4 but during benchmarking it never went higher than 75.

I think the problem is more caused by Inspector applying the values but the program got stuck. I do remember there's some color in its icon but the values just won't apply. Is there anyway to reset all the settings somewhere? Or do you really think I just messed up my card and there's no way to restore it? =(
 
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beegmouse

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Be grateful it's still working at stock.

I have never heard of a cooked chip locking itself to stock clock speeds.

Overclocking a laptop is a really stupid idea btw. They already have poor cooling solutions, sit it on your lap wrong and you could block vents and if you are lucky it will just shut itself down. And on top of it all, you can't replace the card. If it does get baked. You have a very big, very expensive paperweight.
 
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yic17

yic17

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Well seeing that the card is still working, maybe let's not jump to conclusion that it's cooked?

How about some ideas on possible solutions? Maybe the settings are just stuck somewhere and still can be fixed?
 
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Shaun o

Shaun o

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Oct 7, 2007
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Well if it is, or was a software program that caused the problem.
Then it will be down to values left over in the windows registry.

You would have to edit or delete the key entries for the program that you think caused the problem.
If you uninstalled it from windows but still cannot change the Gpu clock speed or the Ram speed of the graphics card.

If you click on start, and then in the search box type: Regedit

And press enter.

Windows registry edit will open in a new window.
Click on the edit tab at the top of the window.
Click on find.

And in that search box type the name of the program you used to overclock the 980m settings.
For each registry key entry hi lighted or found just press the delete key on the keyboard to remove it.
Pressing F3 continues the search right through the windows registry.
For the named search entry, or the search string you typed in the find box.
Hit it and delete each key entry it finds.
Until you reach the end of the search.

Once done close the window and restart your system reloading windows os in it`s normal mode.
then test to see if you can change the clock values of the card again.

So enter the search string or program entries you wish to find in the windows registry.
Press search. delete the entry hi lighted if found, by pressing the delete key on your keyboard.

Tap the F3 key to continue the search for any other entries or set values.
Un till you reach the end of the windows registry.

I have to warn you that doing this and deleting windows registry keys can if your not careful cause problems.
As long as you stick to deleting the Key search entry word and values you should be ok though.






 
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yic17

yic17

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Hey I deleted all the keys from PrecisionX and Nvidia Inspector but still not working. Thanks for the suggestion though.

Also I think there is another side effect of the problem. Which is that my card is now capped @ 60 FPS. Even though in my last benchmark the max showed 70 but I think that's just a sudden spike. I noticed my FPS never goes beyond 60 during benchmark. Then I just tried to lower the settings from ultra to low & even lowered the screen resolution, and truly it still never goes above 60. So it seems like somehow the card is now capped. I wonder if it's caused by overclocking or maybe it's something else entirely that caused this.

I already disabled V Sync in Nvidia Control Panel but that didn't help. Any more ideas?
 
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yic17

yic17

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OK I found someone who has the same problem as me here: http://forum.notebookreview.com/threads/how-accurate-is-the-gpu-z-clock-gpu-clock-too-high.737742/

It seems like it's caused by the combination of Windows 8.1 and Nvidia driver. Basically it creates 2 sets of defaults and switch between the 2. It's really weird .... one set of default has 1038 GPU clock & 0.85 GPU voltage but another set has 1126 GPU clock & 1.06 GPU voltage. By default, Nvidia Inspector reads the 2nd set and GPU-Z reads the 1st set. But when I open both programs at the same time, Inspector then changes its values to match GPU-Z. BUT when I open Heaven Benchmark, both Inspector & GPU-Z will match the 2nd set. I mean, I understand GPU can change by itself, but voltage shouldn't jump from 0.85 to 1.06 by itself right? And now when I try to change anything (GPU clock, memory, or voltage), it just won't apply and I am guessing that's because it doesn't know to apply to the 1st or 2nd set. Before when I used MSI Afterburner the values applied because it was only reading the 1st set. I think the 2nd set of default was introduced when I started OC using PrecisionX or Inspector.

Anyway I'm gonna try installing different drivers to see if I can get all the programs to only read 1 set of values. If all else fails maybe I'll have to re-install Windows or something.

Btw, what led me to that thread above was when I tried 3DMark 11 to benchmark and found out that my physics score is extremely low. Did some search about it people said it's probably caused by GPU voltage set too high causing CPU to underclock itself. So I checked my GPU voltage with Inspector and GPU-Z and realized I got 2 different values ...........
 
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yic17

yic17

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Problem solved. It was CPU throttling in the end. I guess I got high benchmark at first because I had just installed my 980M but after awhile it started to affect my CPU. In 3DMark combined test my CPU clock dropped to 1200 (min). Using ThrottleStop now it is running smoothly again. =D

As for OC not applying, it's because I was using the driver 350.12 which disables OC. I now switched to 353.00 which enables OC again. =D
 
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