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Monitor picture doubling upon EDID emulation activation

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liukang7:
Hello everyone. I am attempting to install groovymame and crtemudriver to play MK1-UMK3 in a dedicated cabinet on a Wells Gardener K7000 monitor. I have an HP Workstation Z230 running a fresh install of Windows 10, the newest release of mame and groovymame, and crtemudriver 2.0. I am using an AMD Radeon HD 7700 graphics card and a DVI-I adapter to VGA. The VGA goes into a GBS-8100 that then splices into the RGB ground and sync wires of the monitor. I get a picture on the monitor through this in 640x480, but when I activate EDID emulation and start mame the picture doubles on top of itself and flickers. Sometimes the issue happens only when I am in groovymame and it disappears upon closing it, but sometimes it starts as soon as emulation is enabled. I am unsure of what is causing this other than if the GBS-8100 is interfering with it, but I am otherwise unsure of how to connect the VGA wire to the monitor. If there is any more info I can provide let me know and I can. Thanks!

buttersoft:
Can you remove the GBS-8100 from the signal chain and test if that helps?

liukang7:
How do I go about connecting the VGA cable to the wires of the monitor?

buttersoft:
https://www.aliexpress.com/item/1005005830433586.html?spm=a2g0o.productlist.main.33.12e04d32MICprO&algo_pvid=53e84cd2-6799-4258-844f-f941fe418f10&algo_exp_id=53e84cd2-6799-4258-844f-f941fe418f10-16&pdp_npi=3%40dis%21AUD%212.50%211.61%21%21%211.68%21%21%40211bd7bf16896343973017667d07b6%2112000034502911261%21sea%21AU%21188447758&curPageLogUid=uxNxvIqIwcXU

Something like that will do the job. Google up the VGA pinout, and then post up if you need more help :)

liukang7:
Thank you! I will update when it arrives.  :D

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