Hello i have a HD7770 and it worked for a few days just fine and yesterday and i turned my pc off normally and today when i wanted to play some gta4 i got a black screen fan is spinning on the cpu and gpu 6 pin is connected and the monitor is connected to the gpu but nothing i tryed to clear the cmos and update the bios but nothing my mobo is a asus m2n68-am se2 4gb of ram and a amd athlon 7750 black edition pls help and i tryed my gpu on my friends pc and the gpu works and im using the dvi to analog
- Jul 7, 2008
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http://www.tomshardware.com/forum/281324-30-asus-m2n68-graphics-card-issue
Have a look here and see if gives any ideas. I'll keep looking too.
Have a look here and see if gives any ideas. I'll keep looking too.
- Jul 7, 2008
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Have you tried another gpu that requires a 6pin?
It baffles me how 7770 was working once. So its not bios version.
If you can try a GPU that requires more power to run would be good to know. The Gt 610 doesn't need much power.
It baffles me how 7770 was working once. So its not bios version.
If you can try a GPU that requires more power to run would be good to know. The Gt 610 doesn't need much power.
- Jul 7, 2008
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This is very weird
What psu is in your computer? is it semi modular or modular? Where does the 6pin power cable originate from?
When swapping gpus, are you using the same 6pin cable or are there multiple as in when removing the card and if psu is modular the cable is removed with the gpu or is it still attached to the psu?
You don't have a dedicated psu just for the graphics card?
What psu is in your computer? is it semi modular or modular? Where does the 6pin power cable originate from?
When swapping gpus, are you using the same 6pin cable or are there multiple as in when removing the card and if psu is modular the cable is removed with the gpu or is it still attached to the psu?
You don't have a dedicated psu just for the graphics card?
- Jul 7, 2008
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What model 7770 do you have?
Do you have an hdmi tv and cable in the house? Try hdmi cable.
At this point it's quite hard to believe it's simply the gpu not agreeing with the motherboard given certain factors already discussed and tried and since it has worked previously. You sure you're not repeating something that is coincidentally wrong, like adapters, video cables, video ports on gpu - DVI D vs DVI A, you've kept everything the same throughout testing? Seems you have and honesty is in question. Only say honesty is we've just about covered everything and nothing makes sense. Sorry.
Do you have an hdmi tv and cable in the house? Try hdmi cable.
At this point it's quite hard to believe it's simply the gpu not agreeing with the motherboard given certain factors already discussed and tried and since it has worked previously. You sure you're not repeating something that is coincidentally wrong, like adapters, video cables, video ports on gpu - DVI D vs DVI A, you've kept everything the same throughout testing? Seems you have and honesty is in question. Only say honesty is we've just about covered everything and nothing makes sense. Sorry.
- Jul 7, 2008
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The adapter you're using, it requires usb power to convert yeah? Could there be something wrong there with usb ports? Assuming gt 610 and the GTS card have vga or analogue dvi? so didn't need the adapter when using those cards? or because dvi-i can also send analogue signals, a digital to analogue powered converter wouldn't be necessary. Even if there was a power malfunction to operate the conversion, if dvi port is version i or a, passive analogue would work anyway. Would surely mask the problem if the 7770's dvi is digital only and requires the converter to have power so check it is getting power.
- Jul 7, 2008
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If we can get exact models and which ports you're using for each card will help a lot. Some gpus have multiple DVI's so some may be digital only or digital and analogue.
DVI-D = Digital, DVI-I = Digital and Analogue, DVI-A = Analogue only. There are pictures online to determine which is which.
For DVI-D to vga the signal needs to be powered to convert, usually by usb or one of the pins in the DVI plug. Passive converter won't convert DVI-D to analogue albeit if power isn't received properly to the adapter to convert digital, coincidentally gt610 and 8800gts both have DVI-I so the powered conversion isn't necessary as cable would be operating in passive mode anyway i'd assume.
Don't know what DVI ports all your graphics cards have so if you can please give models of each. Also the converter you're using thanks.
DVI-D = Digital, DVI-I = Digital and Analogue, DVI-A = Analogue only. There are pictures online to determine which is which.
For DVI-D to vga the signal needs to be powered to convert, usually by usb or one of the pins in the DVI plug. Passive converter won't convert DVI-D to analogue albeit if power isn't received properly to the adapter to convert digital, coincidentally gt610 and 8800gts both have DVI-I so the powered conversion isn't necessary as cable would be operating in passive mode anyway i'd assume.
Don't know what DVI ports all your graphics cards have so if you can please give models of each. Also the converter you're using thanks.
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