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Author Topic: CRT 480i over component and nvidia help  (Read 919 times)

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CRT 480i over component and nvidia help
« on: September 18, 2019, 02:45:24 pm »
I have a 27 inch crt 480i TV I use for a mame cabinet with a gts250 graphics card. I use S video and it works fine but I bought a s video to RGB Component dongle and im having issues.
I can only get my crt TV to display properly when I have a secondary lcd monitor plugged in. As soon as I unplug the monitor the crt image gets scrambled.

I can mess with display settings and nvidia control panel settings and even though it thinks its a HDTV I can force 640x480 interlaced and it looks great until I unplug my lcd screen and then it instantly stops working.
The screen worked fine after uninstalling nvidia drivers as well but if course it was blurry but it did display.....
The nvedia control panel always sees my TV as a HDTV and wont let me select a 480i resolution either.

Any advice? Are there legacy or 3rd party drivers that will help or do I need to get a more crt friendly card? Any card suggestion that are PCI-E is also helpful. Thanks!


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Re: CRT 480i over component and nvidia help
« Reply #1 on: September 20, 2019, 01:00:03 am »
No idea, really. It must be that the TV-out port won't work as a primary - like it's an extra input that's taking what it finds on another screen and scaling it to... whatever. I would have said 480i, for S-Video.

Look into CRT emudriver for a better solution. There's a guide to connecting a Windows 7/10 PC to an old CRT here -

You might be on WinXP, but it's time to upgrade :)