Hello Everyone,
Last week, I bought this HD 5770 card : http://ncix.com/products/?sku=54083&vpn=GV-R577SO-1GD&manufacture=Gigabyte. I received it on monday and installed it last night. I mainly bought the card in order to play The Witcher 2.
Now, after roughly 5-6 minutes of playing, the screen turns to grey/black, and comes back online for like 2 seconds, and If I don't escape the game at this moment ( 4-5 seconds of time to do so ), then the PC freezes and I need to restart it. If I leave the game during this period, I have some artifcats displayed on the Windows 7 desktop. If I enable ATI Overdrive, and downclock the GPU's clock to 750 Mhz and the RAM's clock to 900 Mhz, I seem to be able to play without crashing.
I have an XPS 420 with a Dell stock PSU of 375W. I asked on these forums last week if it was enough to run the game, even if the card supposedly requires a 450W PSU, and a couple of guys told me I should be fine with the Dell stock PSU since my PC was probably nowhere near close the 375W limit. I'm starting to doubt that, but I don't know much about that and I was wondering if the symptoms above look like a defective GPU or a underpowered PSU ?
I have the latest drivers from ATI and the 11.5b hot fix patch too.
If the problem is indeed the power supply, I'm debating whether I should go with :
Antec Earthwatt EA650 Green : http://ncix.com/products/index.php?sku=59339&vpn=EA650Green&manufacture=Antec&promoid=1343
Antec Earthwatt EA500D Green : http://www.newegg.ca/Product/Product.aspx?Item=N82E16817371035&cm_sp=ProductSpotlight-_-17-371-035-_-06012011
OCZ ModXStream 600W : http://ncix.com/products/?sku=33041&vpn=OCZ600MXSP&manufacture=OCZ%20Technology
CoolerMaster Extreme Power Plus 550W : http://www.directcanada.com/products/?sku=11130AC3755&vpn=RS550-PCARE3&manufacture=COOLERMASTER
The PC is right beside my bed and stays awake pretty much 24/24. So the more quiet it is, the better. I'm open to suggestions too, I'd like to keep the price of the PSU under 70$ if possible. I don't plan on having SLI/Crossfire ( my motherboard doesn't support it ), I might add a new SSD somewhere in the future and that's about it. I don't know much about PSUs, so I rely on your advices to guide me !
What do you guys think ?
Last week, I bought this HD 5770 card : http://ncix.com/products/?sku=54083&vpn=GV-R577SO-1GD&manufacture=Gigabyte. I received it on monday and installed it last night. I mainly bought the card in order to play The Witcher 2.
Now, after roughly 5-6 minutes of playing, the screen turns to grey/black, and comes back online for like 2 seconds, and If I don't escape the game at this moment ( 4-5 seconds of time to do so ), then the PC freezes and I need to restart it. If I leave the game during this period, I have some artifcats displayed on the Windows 7 desktop. If I enable ATI Overdrive, and downclock the GPU's clock to 750 Mhz and the RAM's clock to 900 Mhz, I seem to be able to play without crashing.
I have an XPS 420 with a Dell stock PSU of 375W. I asked on these forums last week if it was enough to run the game, even if the card supposedly requires a 450W PSU, and a couple of guys told me I should be fine with the Dell stock PSU since my PC was probably nowhere near close the 375W limit. I'm starting to doubt that, but I don't know much about that and I was wondering if the symptoms above look like a defective GPU or a underpowered PSU ?
I have the latest drivers from ATI and the 11.5b hot fix patch too.
If the problem is indeed the power supply, I'm debating whether I should go with :
Antec Earthwatt EA650 Green : http://ncix.com/products/index.php?sku=59339&vpn=EA650Green&manufacture=Antec&promoid=1343
Antec Earthwatt EA500D Green : http://www.newegg.ca/Product/Product.aspx?Item=N82E16817371035&cm_sp=ProductSpotlight-_-17-371-035-_-06012011
OCZ ModXStream 600W : http://ncix.com/products/?sku=33041&vpn=OCZ600MXSP&manufacture=OCZ%20Technology
CoolerMaster Extreme Power Plus 550W : http://www.directcanada.com/products/?sku=11130AC3755&vpn=RS550-PCARE3&manufacture=COOLERMASTER
The PC is right beside my bed and stays awake pretty much 24/24. So the more quiet it is, the better. I'm open to suggestions too, I'd like to keep the price of the PSU under 70$ if possible. I don't plan on having SLI/Crossfire ( my motherboard doesn't support it ), I might add a new SSD somewhere in the future and that's about it. I don't know much about PSUs, so I rely on your advices to guide me !
What do you guys think ?
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