Brand new sapphire 6950 gives no signal to monitor. just blank black screen with "no signal" notation for a few seconds. Put it in 2 year old system that runs fine with a 4870(or 2 in xfire). Troubleshooting steps 1) used diff monitor 2) used the other DVI port on card 3) tried with HDMI cable instead of DVI 4) put card in other PCI-E x16 slot on MB 5) tried 2 diff 6 pin PCI-E power cables from PSU. None of that helps. Never get even a splash screen, can't see bios. When i put old card back in all is well. like it never left.
Is the card DOA, or do i need to try something else?
System: Gigabyte MA790FXT-UD5P Phenom II X4 965 Corsair TX750w 8Gigs Ram Win 7 64 pro
TIA for help
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Sounds like it could be DOA , are the fans working?