Thanks, that worked. Changed to OpenGL and all running good now.

I am thinking this has something to do with MAME for the M1 Mac. I downloaded MAME for windows and installed that under Windows 11, which is running in a virtual machine on my Mac. Runs just fine on windows, even in a VM on the same external monitor. So, no idea why running the native MAME on the M...

I am thinking this has something to do with MAME for the M1 Mac. I downloaded MAME for windows and installed that under Windows 11, which is running in a virtual machine on my Mac. Runs just fine on windows, even in a VM on the same external monitor. So, no idea why running the native MAME on the Ma...

Hi, Took me a while to figure out what was going on, but it appears when I run MAME and I have an external monitor connected (In fact I have 2 external monitors. I usually have my laptop closed and used the dual monitor setup. However, even with 1 external monitor connected I get the same issue) the...