problem viewing desktop through CRT TV

[kendjet]

Hi all,

I recently disconnected the SCART cable (connected from the UMSA) from my old CRT TV and hooked it up on another display. Now when I try to reconnect it, I cannot see the Windows 7 desktop anymore; I see a vague blue screen and I'm assuming this is because my PC is trying to show a signal that my CRT TV does not support. I had this problem years ago and I remember I fixed this by logging into the PC using remote desktop and changing something, but I don't remember what... I was using this PC to run groovymame in the past and it was running excellent, and I didn't make any changes. Can somebody please tell me how I can fix this problem? Do I need to run vmmaker again or something?


Thanks a lot! And sorry if this has been answered here already...

[buttersoft]

I think the EDID of the monitor you plugged in has overridden the default settings. Try using a second display-out from the graphics card? With the LCd plugged in, try unchecking "hide modes this monitor cannot display" in the screen resolution settings, set a 15kHz mode, then hot-swap to the CRT (fast, so it doesn't time out in the 15seconds)? Or...

Get the latest version of crt_emudriver from Calamity's site.
If you're running a 2000 to 4000 series Radeon card, start again with the 4000 series guide.
If 5, 6 or 7000 series, use the 5000 series guide. (the problem should not have happened on these cards with EDID emulation enabled - just saying.)

http://geedorah.com/eiusdemmodi/forum/viewforum.php?id=2

If you have a card older than that, reinstall the older crt_emudriver. If you haven't hand-tweaked the modelines or settings, you won't lose anything either way.

EDIT: Wait, do I have this wrong? Did you hook the PC up to another monitor? Either way I'd try the above steps, if you can. Unless the SCART cable is bad?

[kendjet]

thanks for the reply! I will give this a shot tomorrow and reply back here with the results :-)

[buttersoft]

Thinking about this, even easier would be to use ArcadeOSD to change resolutions. That way there's no timeout. Start on the screen that works, then set a 15kHz mode, and go from there. If your other monitor was an LCD TV, you'll still see a picture to know it works.

[kendjet]

Buttersoft,

Thanks a lot already for your replies! I actually tried everything you posted but still I'm not able to get 15kHz signal anymore from this PC... I think the registry might be corrupted or something.

I have another PC with the exact same hardware that still has a working config. I think I'm going to either take a system image of it and restore it to the other machine, or reinstall Windows from scratch and just reinstall all the software.

It might be better that I just take an image when I got Windows completely installed, including the latest security updates. That way another re-image in the future will go much faster, plus I start with a registry that's untouched by antyhing like the crt_emudriver stuff.

Thanks again!!