Just wanted to share a scenario I ran into and what fixed it, in case it helps anyone else. I bought a new Samsung TV over the weekend and hooked up my PC running Launchbox via HDMI, and everything was working fine. I launched into my Windows games folder and played some, everything was working great.
Then I launched a few games from other emulators that use Retroarch and everything was performing super slow and choppy, audio was stuttering at 1/2 speed. Since I had been playing other games without any issues, I initially thought there was something wrong with Retroarch so I installed a clean version, but this didn't fix anything. I then thought maybe I have some system issues and began uninstalling any recent software to check it again but no change. I also noticed this was happening with a few other emulators, but strangely not with Mame or Windows games and a few other emulators.
Anyways to make a long story short, I wasted a few hours pulling out my hair and going backwards in config on several portions of the system only to find that the refresh rate on my PC had changed when connecting to the new TV...... I'm on Windows 10, I just right clicked on the desktop and went to Display Settings > Display Adapter Properties > Monitor tab, and noticed the refresh rate was set to 29 Hertz (?). Setting this to 60 Hertz resolved the problem. It must have been that my previous TV had this refresh rate? I'm really not sure honestly.
Glad it's resolved, but feeling silly I didn't think of it *before* going down a rabbit hole that led me to screw up all my Retroarch settings.
You are AWESOME !! I cant believe refresh rate was the culprit this whole time... LOL... Thank you very Much
Choppy performance and stuttering issues in Retroarch and other emulators (SOLVED)
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You are AWESOME !! I cant believe refresh rate was the culprit this whole time... LOL... Thank you very Much