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Sapphire 7850 + Cheap PSU = Problems?

post #1 of 9
Thread Starter 
So i bought a Sapphire 7850 like one month ago and at the start everything was fine and suddenly i was chating on facebook and my screen went black and said no signal. I searched alot of forums to find a solution and saw that sapphire had some problems with capacitors that caused these black screens. First i was thinkig i bought one of these bad cards but some ppl told me my PSU could be the problem, i have a no name PSU 550 watt not 80 certified ( http://int.ms-start.com/MS-Industrialnbsp;power-supplynbsp;PRO-550-63.aspx ). So my question is can a PSU cause these no signal problems, ive been getting them randomly and most of the time on desktop while idleing, i completed Bioshock Infinite without 1 black screen but when i was playing Planetside 2 i was getting Black Screens so i dont know is the card faulty or the PSU? I tested my card in a friend PC with his 700 watt cooler master power supply and he told me it worked fine but he had the card just 2 days and thats not enough time to test the card because the card worked for me too like 6 days without black screen and then suddenly started again to crash.

Heres a picture of hwinfo voltages:
post #2 of 9
the 78xx series black screens were caused by a certain batch of cards in the middle of 2012. If your 78xx was new, then its unlikely that you have one of the bad batches from that specific set. But nevertheless, it can still be that problem, just likely not that specific batch. (my 1st gen sapphire 7850 was unaffected)
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post #3 of 9
No name PSU´s is very often trash
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post #4 of 9
Thread Starter 
i bought the card like 1 month ago, is there a way to see if the card is one of the bad batch ones? with Serial number or so?
post #5 of 9
Can you take a photo of the PSU i can look into if that one is the problem
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post #6 of 9
Thread Starter 
you mean from the side? ive got this link of the PSU if this helps http://int.ms-start.com/MS-Industrialnbsp;power-supplynbsp;PRO-550-63.aspx
post #7 of 9
Quote:
Originally Posted by gizmo187 View Post

you mean from the side? ive got this link of the PSU if this helps http://int.ms-start.com/MS-Industrialnbsp;power-supplynbsp;PRO-550-63.aspx

Looks like a no name POS model
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Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Dali Opticon Vokal x2 Dali Opticon 2 x2 Dali Opticon 1 
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Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Dali Opticon Vokal x2 Dali Opticon 2 x2 Dali Opticon 1 
AudioOtherOther
Dali E12 F Subwoofer CableMod E series PSU cable set CableMod LED Strips 
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post #8 of 9
Thread Starter 
yep it is a no name PSU, can this cause the no signal problems? cuz some ppl say if your PSU isnt strong enough for the video card the PC will just reset and not just lose the signal to the monitor?
post #9 of 9
Quote:
Originally Posted by gizmo187 View Post

yep it is a no name PSU, can this cause the no signal problems? cuz some ppl say if your PSU isnt strong enough for the video card the PC will just reset and not just lose the signal to the monitor?

 

I really doubt it. 

Might be a good idea to consider a new power supply though.

Rosewill has excellent units : http://www.newegg.com/Product/Product.aspx?Item=N82E16817182261

Or just grab a CX500 if you need a cheap unit backed with a solid warranty : http://www.newegg.com/Product/Product.aspx?Item=N82E16817139027

 

 

Back on topic, you might want to consider a RMA for your card. 

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