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Issue with vertical sizing and crt emu drivers causing screen shake

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purbeast:
I have recently setup a PC to work in my KI2 cabinet running Hyperspin and Windows 10.  Everything is working fine however I am having issues with vertical sizing.

If I try to size it to fit my screen perfectly, I get a bunch of shakiness in both the Windows desktop and Hyperspin UI as well.  Like it hurts my eyes and isn't really usable.

But if I shrink it a bit to the point I have bars on top/bottom, it stops shaking.

On the flipside of it, if I make it larger to where it stops shaking, the screen is too big and the top/bottom are being cut off.

Is this a common issue and something that is fixable?

I am using an NT-2501C for my monitor with a Radeon 5460 as the GPU.

Video of issue below, thanks.

https://www.youtube.com/shorts/jLsFlKYuXRc

gamer83:
Its a bit difficult to see the shaking your talking about in the video. what Im thinking is its running in an interlaced resolution. what is your desktop resolution? does it do that while running a game or just in hyperspin and the windows desktop? did you run VMMaker and install the resolutions? im thinking it could just be a config issue, if youre doing all the configuration in windows on the crt then your probably using a resolution of 640x480 or higher, which will run interlaced and cause the shaking.

purbeast:

--- Quote from: gamer83 on August 01, 2022, 07:26:51 pm ---Its a bit difficult to see the shaking your talking about in the video. what Im thinking is its running in an interlaced resolution. what is your desktop resolution? does it do that while running a game or just in hyperspin and the windows desktop? did you run VMMaker and install the resolutions? im thinking it could just be a config issue, if youre doing all the configuration in windows on the crt then your probably using a resolution of 640x480 or higher, which will run interlaced and cause the shaking.

--- End quote ---

LOL damn you are right in the video you can't even see it shaking at all.  It's super noticeable in person.

I am doing all the config stuff via HDMI on another monitor.  I did run vmmaker and install the resolution and followed the guide on how to do it.

I am not sure actually if it does that in game I actually never checked that.

I will check that out tonight and also see what resolution the desktop is running at.

Is there a recommended resolution to set the desktop at?

gamer83:
Set the crt desktop res to 320x240, load up hyperspin from the other monitor and see if the shaking is gone, if its still there it might be a problem with the chassis. I keep my crt in my cab at 320x240 because I dont like the shaking either. The only reason to run the crt in 640x480 or up is to be able to navigate and do work in windows, but since you are doing the work on a secondary monitor just leave the crt in a lower res progressive mode.

abispac:
Well, to get help, is important to post your OS, and settings, along with what kind of card and what kind of monitor  you have. To me , Desktop and hyperspin wont look totally smooth because they running at 640x480 nterlaced i guess, but all games should look nice. I did try once hyperspin with 320x240 and it look great but not the desktop, so i just lived with it, as you spend more time playing than actually selecting a game.

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