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No Display at Startup and No Power to USB - ATI 6950

post #1 of 9
Thread Starter 
Hey guys, I know this forum is plagued with many threads involving faulty cards and such, but I wanted to ask everyone for their opinion as I could not find an exact solution/answer to my problem (maybe I'm just bad at searching...).

I just received a used ATI 6950 through eBay (I know, maybe that wasn't a good idea...) which was guaranteed to be working. I installed it in my sig rig, only to find that...
- Monitor detects no output from the GPU
- USB devices are not receiving power (mouse and keyboard lights do not turn on as they usually do at startup)
- One of the two DVD drives does not open, rather the motor inside makes a weak noise as it repeatedly tries to open.

None of the symptoms occur when I stick my 5870 back in. I've also tried using a different power supply (Corsair 650W) with only the bare essentials, including the GPU, connected without success.

I fear that I may have received a non-working card, in which case I will have to go through the troublesome process of getting my money back from the seller...

Anyone have any ideas/info that might suggest that something is wrong with my system, rather than the GPU?

Thanks in advance to anyone who can give me some assistance!
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post #2 of 9
Hi,

Since no problems with your 5870 and original PS would definately
suspect the card.

5870 probably pulls more juice than the new card.
Your PS is enough to run three of those cards if not bad.
The 650 could run two.

Might try the latest drivers but don't think thats the problem.
The 6950 and 5870 run the same driver package.

Also not a big jump from 5870 to 6950 unless can unlock it
and or double up later.
Good Luck.

If mine would begin the RMA thing as soon as possible.

JMHO

Later
Edited by Irocing - 7/21/11 at 6:08pm
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Hard DriveOptical DriveCoolingOS
Crucial 128 M4 Boot-WD 640 Sata3 Storage Plextor/ Samsung 600.5- 3 Rads-Micro Rez-355 Pump Win 7 64 bit he 
MonitorKeyboardPowerCase
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post #3 of 9
Thread Starter 
Would it be possible to install the 6950 alongside my 5870 (not in cross-fire, obviously), simply to see if my system will recognize it?

I've contacted the seller about this problem already, but while I await some sort of resolution, I want to try whatever I can...
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post #4 of 9
Quote:
Originally Posted by Leeeeeeeeee View Post
Would it be possible to install the 6950 alongside my 5870 (not in cross-fire, obviously), simply to see if my system will recognize it?

I've contacted the seller about this problem already, but while I await some sort of resolution, I want to try whatever I can...
It should be possible. It is worth a try. I suspect a bad 6950 too.
post #5 of 9
If I were you I wouldn't even put that card back in my system. Sounds like a short somewhere in the card making it draw way too much power which would be why none of your USB devices work and your DVD drive can't even get enough juice to open the tray.
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post #6 of 9
Thread Starter 
Quote:
Originally Posted by blazed_1 View Post
If I were you I wouldn't even put that card back in my system. Sounds like a short somewhere in the card making it draw way too much power which would be why none of your USB devices work and your DVD drive can't even get enough juice to open the tray.
I didn't get to see your post until after I had installed the card in my system, along with my working card. Fortunately for me, doing so didn't kill my system. Rather, I was able to boot into Windows using a spare 4850 with the 6950 alongside it. There doesn't seem to be any problems and Windows Device Manager recognizes that a 6900 series card is there...

I know I'm probably starting to beat this issue to death, but I'm curious to see if anyone might know a way of testing the 6950 like this.

Could the card's bios potentially messed up? The card I have is a reference model from Sapphire.
Edited by Leeeeeeeeee - 7/22/11 at 5:47pm
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post #7 of 9
Have you tried a different DVI/HDMI/DP connector on the card? Maybe one of those are broken?
post #8 of 9
Thread Starter 
Quote:
Originally Posted by Riou View Post
Have you tried a different DVI/HDMI/DP connector on the card? Maybe one of those are broken?
I've tried both DVI ports and the HDMI, but no luck with any of them, and I'm unable to try either of the two DP ports.

I came across another thread on a different forum about someone who messed up their BIOS trying to flash their card to a 6970. I'll see if I can find any clues there.

If anyone else has any ideas, please let me know!
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Wind Tunnel
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Optical DriveCoolingOSMonitor
2x DVD Drive Zalman CNPS9700 Windows 7 Ultimate 64-Bit Alienware Optx AW2310 
KeyboardPowerCaseMouse
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post #9 of 9
Hi,

Might be a good idea to see about flashing the bios back to
stock configuration if seller had attemped that.
Make sure correct Bios for that specific card.
If nothing else works have nothing to lose.

Its the USB and DVD power issue though that points to a card
problem as your 5870 card works in that lane.

Still would do RMA ASAP if possible.

Later
Works for me
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CPUMotherboardGraphicsRAM
i7-930 4.51 HT on Asus P6X58D-E Sapphire 7970 OC Edition 1250/1650.1.200v Corsair Dominator 1600@1723 
Hard DriveOptical DriveCoolingOS
Crucial 128 M4 Boot-WD 640 Sata3 Storage Plextor/ Samsung 600.5- 3 Rads-Micro Rez-355 Pump Win 7 64 bit he 
MonitorKeyboardPowerCase
Samsung 26'' 1920x1200 Logitech G-15 CM 850W Modular Gold CM 690 II Advanced (Swiss Cheezed) 
Mouse PadAudio
RatPaz GS SB Titanium- Bose 2.1 
  hide details  
Reply
Works for me
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-930 4.51 HT on Asus P6X58D-E Sapphire 7970 OC Edition 1250/1650.1.200v Corsair Dominator 1600@1723 
Hard DriveOptical DriveCoolingOS
Crucial 128 M4 Boot-WD 640 Sata3 Storage Plextor/ Samsung 600.5- 3 Rads-Micro Rez-355 Pump Win 7 64 bit he 
MonitorKeyboardPowerCase
Samsung 26'' 1920x1200 Logitech G-15 CM 850W Modular Gold CM 690 II Advanced (Swiss Cheezed) 
Mouse PadAudio
RatPaz GS SB Titanium- Bose 2.1 
  hide details  
Reply
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