MSI 7970 Lightning GHz Edition, black screen after increase more than 600/600 clock rate

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Krishanthan Krishnamoorthy

Honorable
Aug 22, 2013
4
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10,510
Hi Guys,

Two days ago I bought MSI 7970 Lightning Ghz Edition. After I increase the both memory and GPU clock more than 600Mhz I am getting Black screen while I am playing BF3 or Dirt 2.

My Pc:

Asus P8Z77-V LX motherboard
OCZ mod extreme pro 600W PSU
Core i7 3770
8GB RAM
128GB SSD and 500GB HDD

Guys, do I want to RMA the card or I need to change the power supply? What should be the solution?

Thanks.

PS: Previously, I had Gigabyte Windforce GTX 770. I didn't have black screen when I play games even while I am testing on the Furmark. But had the random Black screen, If I install driver, so I did RMA the card and I bought this card.
 
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K

Krishanthan Krishnamoorthy

Honorable
Aug 22, 2013
4
0
10,510


The default is some where around 1 GHz, but I under clocked to 600Mhz then I will get black screen. Now I under clock again to 400MHz, now I will be able to play BF3 @ 30 FPS no black screen problem. I don't know what to do, RMA or New PSU... I mean 600W is not enough?
 
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jimmysmitty

jimmysmitty

Champion
Oct 5, 2007
21,605
599
59,140
Wait why are you manually increasing the clock rate? The GPU itself handles that. If its idle then you leave it to auto and let it clock itself up.

Also what are you using to clock the GPU? MSI Afterburner? CCC?

I think its because you are messing with the clock speeds TBH.
 
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K

Krishanthan Krishnamoorthy

Honorable
Aug 22, 2013
4
0
10,510


Hi, let me rephrase this. Actually, I didn;t overclock even on the default clock rate the card is making black screen problem. So now I underclocked to 500/500 GHz. I did't get any black screen problem yet. I am using CCC for underclock.

Please note, the black screen problem only occurring when I play games not in the Idle mode. Also, I have Kill-A-Watt Power cord, when black screen comes I tested the Power consumption, it happened when it rise to 366W. But I have 600W PSU.

 
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K

Krishanthan Krishnamoorthy

Honorable
Aug 22, 2013
4
0
10,510
Just today I bought 900W PSU, but still the problem is there. If select default in the AMD performance tab and run the Battlefield 3. After it comes to the game, I get black screen and I had to hard reset the computer. Please help me.!!!
 
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