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Problems with my HD 6870

post #1 of 5
Thread Starter 
Hey guys. So basically for the past three weeks I've been having major issues with my computer. It's a custom built PC with AMD Phenom II X6 1090T CPU, PowerColor HD 6870 graphics card, 8 gigs of Kingston HyperX ram @ 1600MHz. It first started when i updated to 11.8 CCC. Ever since then, my computer has been slower than usual and anytime i would try to run any sort of game, it would crash (screen would flicker once, turn back on, show just a black screen, but you can hear the sounds of the game). If i would Alt+Tab it would go back to the desktop but if i return to the game it would still crash. I've tried 11.7,11.8,11.9. I have also Re-OS'd my PC and still no luck. So i took out my graphics card, tried it on a different computer and it worked perfectly fine. So i put it back on my computer thinking it was something physical or my power supply is too low. Its 700 watts so it was plenty so i couldn't be that. so i physically took my whole PC to my networking class in school and believe it or not, it worked perfectly fine there. that narrowed my choices down to my monitor/cables. it wasn't the power in my house because i made a direct current from my fuse box to my PC and it still didn't work. i also took my PC to bestbuy and it worked fine there as well. So my friend took it to his house (my monitor,cables,etc.) and it didn't work there either. we tried different cables for power, dvi and even 5 different monitors. still no luck. but we tried a program called MSI Afterburner, changed the core voltage knob to max of around 1149 and when i ran a game, it worked perfectly fine! but my question is, how come it worked at bestbuy and school but not at my or my friend's house and how come i have to use MSI Afterburner to change the core voltage? i really want to get my computer back to the way it was before and even now the Afterburner causes games to crash unless i "tweak" it every time i log on. I know this is a lot of writing but i appreciate any help at all. Thanks guys!
post #2 of 5
If you have overdrive enabled in CCC it might be resetting your afterburner settings everytime you boot. Other than that, I seriously can't figure out why that's happening to you. Maybe you have an extremely finicky gpu? Try RMAing your gpu and see if your new one accepts a small range of voltages without pooping out on you?
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Sietch Tabr
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post #3 of 5
Quote:
Originally Posted by nitrousbug99 View Post
Hey guys. So basically for the past three weeks I've been having major issues with my computer. It's a custom built PC with AMD Phenom II X6 1090T CPU, PowerColor HD 6870 graphics card, 8 gigs of Kingston HyperX ram @ 1600MHz. It first started when i updated to 11.8 CCC. Ever since then, my computer has been slower than usual and anytime i would try to run any sort of game, it would crash (screen would flicker once, turn back on, show just a black screen, but you can hear the sounds of the game). If i would Alt+Tab it would go back to the desktop but if i return to the game it would still crash. I've tried 11.7,11.8,11.9. I have also Re-OS'd my PC and still no luck. So i took out my graphics card, tried it on a different computer and it worked perfectly fine. So i put it back on my computer thinking it was something physical or my power supply is too low. Its 700 watts so it was plenty so i couldn't be that. so i physically took my whole PC to my networking class in school and believe it or not, it worked perfectly fine there. that narrowed my choices down to my monitor/cables. it wasn't the power in my house because i made a direct current from my fuse box to my PC and it still didn't work. i also took my PC to bestbuy and it worked fine there as well. So my friend took it to his house (my monitor,cables,etc.) and it didn't work there either. we tried different cables for power, dvi and even 5 different monitors. still no luck. but we tried a program called MSI Afterburner, changed the core voltage knob to max of around 1149 and when i ran a game, it worked perfectly fine! but my question is, how come it worked at bestbuy and school but not at my or my friend's house and how come i have to use MSI Afterburner to change the core voltage? i really want to get my computer back to the way it was before and even now the Afterburner causes games to crash unless i "tweak" it every time i log on. I know this is a lot of writing but i appreciate any help at all. Thanks guys!
It's your PSU low voltage input tolerance.

If you want to use Afterburner do, exactly this:

1. Reset Afterburner then uninstall, select "no" when prompted to keep settings.

2. Select "Restore to Factory Default" in CCC upper right corner drop down menu, then uninstall CCC. Restart PC then re-install CCC package.

3. After PC restart, install Afterburner and set your voltage settings, click apply and select "apply overclocking at windows start-up". Do not change anything in CCC after this. Now the settings will stick.
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ケンジ
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post #4 of 5
Thread Starter 
Quote:
Originally Posted by Ken1649 View Post
It's your PSU low voltage input tolerance.

If you want to use Afterburner do, exactly this:

1. Reset Afterburner then uninstall, select "no" when prompted to keep settings.

2. Select "Restore to Factory Default" in CCC upper right corner drop down menu, then uninstall CCC. Restart PC then re-install CCC package.

3. After PC restart, install Afterburner and set your voltage settings, click apply and select "apply overclocking at windows start-up". Do not change anything in CCC after this. Now the settings will stick.
I can get it to stay but if i try to use my three monitors for eyefinity nothing works. and also i dont want to use afterburner to overclock my gpu and regardless if i do or not it still continues to crash :\\
post #5 of 5
I had the same problem with my 6870. I deleted the CCC then restarted the computer. And reinstalled 11.8 cause 11.9 blows. CCC is setting the Quality AA and other settings high automatically.
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