Hello
Over the past 2 months I have been experiencing graphical issues. My earlier problems can be seen from this post here:
http://www.tomshardware.co.uk/answers/id-2216532/sapphire-radeon-hd6850-diagnosis-failure-video-problem-inside.html
To sum up the post, I was frequently blackscreening when running most games. Since this post I have replaced my HD6850 graphics card with an ASUS GTX 750 ti. My graphical problems have changed but are still persistent.
Specs
OS: Windows 7 64 bit
Graphics card: ASUS GTX 750 ti (2Gb DDR5)
Motherboard: Asus M5A97 PRO Motherboard
CPU: AMD HDZ965FBGMBOX Phenom II X4 965 3.4 GHz
PSU: EZCool Silent 650W Power Supply (PSU)
RAM: Corsair CMZ8GX3M2A1600C9 Vengeance 8GB (2 x 4gb sticks)
Monitor: BenQ GL2450HM 1920x1080 monitor
Here are the voltages of my PSU (while idle):
Issues
When running a game, my computer will sometimes black screen, forcing me to ctrl, alt & delete to close the unresponsive application. When this happens, the game will black screen within a couple of minutes of gameplay. This issue is inconsistent, happening irregularly with games/taxing applications.
My display flickers regularly, this happens at any time, both in games and when on the desktop/browsing the internet. It is extremely annoying. Here is a video of the error that I have put together of the issue on google chrome, skyrim, transistor and team fortress 2:
http://youtu.be/vHlBOO9ANkI
I used Nvidia shadowplay to record this but had to render on my brother's computer. The issues in the video happen both with and without shadowplay turned on.
Attempts to resolve
I took my pc into a repair shop and they ran Heaven benchmark on ultra graphics & 2x anti aliasing for 48 hours and had no issues. They suggested that the problem could be that I am setting the graphical options too high for my setup. I do not see how this can be the case because my games often run smoothly without frame rate loss until crashing. Also the fact that other people are using the 750 ti running games such as skyrim on ultra settings indicates that my PC should not be black screening when attempting to run Skyrim on ultra/high settings among other games. When attempting to run the Heaven benchmark on 4x anti aliasing my PC black screened almost straight away.
They also suggested that airflow could be the issue but it is definitely not. I regularly dust my PC with compressed air and keep it so that all sides are free to expel/intake air with ease.
It has also been suggested that overheating could be the issue but my GPU does not exceed 59 degrees celsius when under load. My processor does not exceed 62 degrees celsius.
Looking around online, my PSU has received widely negative reviews so I also think this could be the issue, but would not like to commit the money unless I'm almost certain that it will resolve my issues.
I will attempt to provide any more information that could be helpful with solving the issues. I really hope to get this sorted out as soon as possible.
Many thanks in advance for any help/advice,
Sam
Over the past 2 months I have been experiencing graphical issues. My earlier problems can be seen from this post here:
http://www.tomshardware.co.uk/answers/id-2216532/sapphire-radeon-hd6850-diagnosis-failure-video-problem-inside.html
To sum up the post, I was frequently blackscreening when running most games. Since this post I have replaced my HD6850 graphics card with an ASUS GTX 750 ti. My graphical problems have changed but are still persistent.
Specs
OS: Windows 7 64 bit
Graphics card: ASUS GTX 750 ti (2Gb DDR5)
Motherboard: Asus M5A97 PRO Motherboard
CPU: AMD HDZ965FBGMBOX Phenom II X4 965 3.4 GHz
PSU: EZCool Silent 650W Power Supply (PSU)
RAM: Corsair CMZ8GX3M2A1600C9 Vengeance 8GB (2 x 4gb sticks)
Monitor: BenQ GL2450HM 1920x1080 monitor
Here are the voltages of my PSU (while idle):
Issues
When running a game, my computer will sometimes black screen, forcing me to ctrl, alt & delete to close the unresponsive application. When this happens, the game will black screen within a couple of minutes of gameplay. This issue is inconsistent, happening irregularly with games/taxing applications.
My display flickers regularly, this happens at any time, both in games and when on the desktop/browsing the internet. It is extremely annoying. Here is a video of the error that I have put together of the issue on google chrome, skyrim, transistor and team fortress 2:
http://youtu.be/vHlBOO9ANkI
I used Nvidia shadowplay to record this but had to render on my brother's computer. The issues in the video happen both with and without shadowplay turned on.
Attempts to resolve
I took my pc into a repair shop and they ran Heaven benchmark on ultra graphics & 2x anti aliasing for 48 hours and had no issues. They suggested that the problem could be that I am setting the graphical options too high for my setup. I do not see how this can be the case because my games often run smoothly without frame rate loss until crashing. Also the fact that other people are using the 750 ti running games such as skyrim on ultra settings indicates that my PC should not be black screening when attempting to run Skyrim on ultra/high settings among other games. When attempting to run the Heaven benchmark on 4x anti aliasing my PC black screened almost straight away.
They also suggested that airflow could be the issue but it is definitely not. I regularly dust my PC with compressed air and keep it so that all sides are free to expel/intake air with ease.
It has also been suggested that overheating could be the issue but my GPU does not exceed 59 degrees celsius when under load. My processor does not exceed 62 degrees celsius.
Looking around online, my PSU has received widely negative reviews so I also think this could be the issue, but would not like to commit the money unless I'm almost certain that it will resolve my issues.
I will attempt to provide any more information that could be helpful with solving the issues. I really hope to get this sorted out as soon as possible.
Many thanks in advance for any help/advice,
Sam
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