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Monitor gets No Signal

Last response: in Graphics & Displays
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November 5, 2009 8:41:20 AM

Specs:

EVGA nforce 680 SLI
EVGA 8800gtx
Quad core 3.0
550w power supply
2 4g sticks of ram(forget the brand)

Hey guys. 3 days back I rebooted my comp while using it, and it went from working fine to getting no signal. Since then I have tried different monitors(including a new one) and I got a new video card (radeon 4880) to try it and see if the problem was my video card. When I got home and switched in the new card it worked the first time on bootup and it seemed ok. I rebooted the comp and again it went from seeming ok to having no signal. So I'm pretty sure the problem can't be the monitor or video card, nor is it the DVI cable I use to connect them.

I'm just wondering what the next step should be in determining the cause of the no signal? My guess would be the mother board right? My mobo does have the code FF though which should mean everything is working fine right(it's had it since I built the pc)? Could the problem be the power supply or the RAM? Any info or help would be great guys, thanks.


Also my apologies if this is in the wrong thread section.

More about : monitor signal

November 5, 2009 9:14:02 AM

Is your "no signal" situation complete? Or do you at least get the BIOS splash screen? Need this detail to determine if it is really a hardware issue or drivers/settings.
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November 5, 2009 12:00:44 PM

Faulty RAM is a common cause of your symptoms. Have you tried booting with each stick of RAM by itself in the first RAM slot?

Which 550W PSU do you have?
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November 5, 2009 1:46:03 PM

I had the same problem with my samsung t240hd.
I restored my system to a time before the most recent update and it was solved. Windows update may have caused the problem.
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November 5, 2009 7:04:46 PM

I get no signal from the time I start up the pc, it goes straight to the no signal screen and then goes dark, so I can't even get to the BIOS. I'll try switching the RAM out today and get back.
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