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goodboy

31 posts

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#90610 25-Sep-2011 20:04
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I had recently installed a Xfx 6870 and reformatted my whole pc. I have a huge problem of the card crashing each time I log in. Once it starts logging into my account, the screen goes really fuzzy and once the log in is completed my screen goes black with no further response thus me having to restart it everytime and hoping it would work this time. It could be that my 500W supply be not enough for this card but I asked around and i learn that 500W is just enough to adequately power this card. I have installed the latest Ati Catalyst Drivers, Mohterboard Drivers and also Directx 11. Below are my specs. If anyone could help solve this issue, I would be really grateful.

Cheers

Asus P5K SE
2x2GB DDR2
1TB WD Blue
Xfx HD 6870
Core 2 Quad Q6600 @2.4GHz
500W PSu

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RealityClash
192 posts

Master Geek


  #525626 25-Sep-2011 20:52
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What type of PSU do you have? If it's a cheap PSU it may not actually be able to give your system 500W of power. Also check the amperage of the 12V rail of the PSU and check that its high enough for your GPU, I cant remember how many amps a 6870 needs but doing a quick google search should be able to get you some answers.

goodboy

31 posts

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  #525637 25-Sep-2011 21:16
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http://www.trademe.co.nz/Computers/Components/Cases-power-supplies/Power-supplies/auction-161973819.htm

It is that brand^

Ampage is 15/6 Amps on the 12V rail

 
 
 
 


Elpie
1304 posts

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  #525841 26-Sep-2011 15:21
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goodboy: http://www.trademe.co.nz/Computers/Components/Cases-power-supplies/Power-supplies/auction-161973819.htm

It is that brand^

Ampage is 15/6 Amps on the 12V rail


Those Hyena PSU's are arguably the worst PSU's on the market. They are renowned for frying and if you haven't had any bangs, pops or burning smells yet you are very lucky.  Run a search on Deer/Hyena (same thing) and you will see what I mean.

500W might be the absolute minimum for running an HD 6870, but AMD recommend 600W for those cards. I wouldn't mess around trying to find out exactly what is wrong and I wouldn't be powering the PC up again either until you replace the PSU. 

Something like the Seasonic 620W should do the trick for you. Don't go for lower than 600W but make sure you get a decent brand. It's not worth frying your system.

Ragnor
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  #525861 26-Sep-2011 15:47
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Can you test the card in another PC?

Assuming the card is not faulty I would suspect the PSU first also.

goodboy

31 posts

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  #526975 28-Sep-2011 22:31
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Thanks for the replies. That helped alot. Cheers

nakedmolerat
4553 posts

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  #526978 28-Sep-2011 22:43
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goodboy: Thanks for the replies. That helped alot. Cheers


my recommendation, get a cheap corsair from computerlounge. google for prices on the net and ask CL to price match them.





RealityClash
192 posts

Master Geek


  #527343 29-Sep-2011 17:40
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^ What he said.

 
 
 
 


goodboy

31 posts

Geek


  #527354 29-Sep-2011 18:00
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I found a few that looks decent but not sure if it will do a good enough job.

Any suggestions on this would be great.

http://www.pp.co.nz/products.php?pp_id=AA24515

http://www.playtech.co.nz/afawcs0139235/CATID=274/ID=16083/SID=62073172/productdetails.html

http://www.playtech.co.nz/afawcs0139235/CATID=481/ID=15727/SID=528563987/productdetails.html

RealityClash
192 posts

Master Geek


  #527768 30-Sep-2011 16:48
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I dont have any experience with CoolerMaster or XFX but Corsair make quality PSU's and 600W will be perfectly fine for your current system.

goodboy

31 posts

Geek


  #530643 7-Oct-2011 16:26
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I have bought an xfx 750W PSU and i am yet having the same problem. Fuzzy picture during logging in and eventually no response.

RealityClash
192 posts

Master Geek


  #530691 7-Oct-2011 18:52
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Man that sucks. Have you had the chance to test your video card in another computer? Are you able to just take the card out and use your onboard GPU and see if that works?

goodboy

31 posts

Geek


  #530693 7-Oct-2011 18:56
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I have my old 8800 gt which i am currently using now..and that works fine. I havent had the chance to test this in another PC so the next thing i can do is just return it for a replacement or something.

RealityClash
192 posts

Master Geek


  #530694 7-Oct-2011 19:07
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Yea sounds like its your 6870 that's causing the problems. Your best bet will be to return it and get I new one I think

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