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DVI doesn't work on 6600GT with a Samsung 730B Edit: *fixed*

J

jiffylube1024

Diamond Member
I just upgraded to an Athlon 64 system along with a Leadtek Geforce 6600GT, which seems like a great card so far, except for one problem.

I'm running dual monitors with a Samsung 730B (DVI) and an NEC 18" LCD on the VGA cable. I installed Windows, with both screens working, but once I installed the display drivers (Nvidia Forceware 77.77's from their site), the 730B would not work on DVI. I downloaded the new monitor driver (which I've never had to do before) from Samsung's site, and I still can't get DVI to work in Windows with this monitor.

I finally got it working by going through VGA and a DVI-VGA adaptor, but needless to say this is not the optimal solution.

Is there a problem with certain LCD screens on DVI with this driver, or certain versions of Nvidia's driver? I'm upgrading from a string of a few ATI cards that never had any problems seeing this monitor on DVI using any Catalyst version.

Like I said, the screen works normally on the VGA connection through the DVI-VGA adaptor, and it works fine in DOS/the BIOS screen using DVI, but once in Windows with the Forceware driver installed it doesn't recognize the screen.

Any ideas would be appreciated.
 
The card is dual headed. Is it possible the driver defaults to the other port as primary display, and needs to be told to use DVI as primary display?
 
No, it's not an issue of primary or secondary display - I've tried setting the DVI as primary display (bad idea - since I get no image on DVI all that works is the NEC LCD as the secondary screen, with all the windows controls and stuff on the main screen).

What I did after was reinstalled the driver and made sure I kept the NEC as the primary display, and tried to get the 730B working as the secondary display on DVI - no go. It first detects as default display, then as 'Samsung 730B' (seems like everything is fine), but nothing comes up on the screen at all. I've even tried to change the refresh rates between 60Hz, 72Hz and 75Hz which normally all work, even if they are just being reset to 60Hz on DVI. None of these settings worked.

I guess I'll have to try my other DVI LCD to see if it's just this one that doesn't work, but I know the DVI port isn't toast because it works fine in DOS and before I install the Nvidia driver.

Hmmmm....
 
Ah, I figured it out. It was a simple motherboard BIOS update with a fix for my problem. I figured a 2-day old motherboard would have all of the silly issues like that ironed out, but apparently there was a 'some monitors not showing up on DVI' issue for my AN8. All is well now - thanks for all the help everyone 😛 😉 .
 
Spot on, jiffylube! I too was having DVI issues - i.e. no display after boot in DVI mode, DVI with VGA convertor to VGA worked okay - on new system: AN8 Ultra with Gigabyte 6600GT and Dell 2001FP LCD. Came across your post, did the BIOS update and all is sweet!

Many thanks.

Keep on keeping on.




 
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