For people who this is not working for, make sure you followed this guide
https://samilops2.gitbook.io/vita-troubleshooting-guide/shader-compiler/extract-libshacccg.suprx
Usbloader GX has themes that you can install, if you don't have a theme installed on usbloader gx, then disregard this, but if you do have a theme installed on usbloader gx, and it is not made correctly, it can prevent usbloader gx from starting, it hangs at the startup screen.
Sometimes a bad theme will hang usbloader gx
I think you have to delete the ini file, it's been a while since I had to do that, so I'm not sure exactly
You could always mod your joycon to have a switch in between the battery and board to see if that works, but I think the batteries are meant to discharge after a while of not using them so the batteries don't have problems when storing your device.
I'm not sure if you are using hekate to boot atmosphere or not, but you will have to disable NOGC in the ini file for atmosphere, if that don't work, your cart slot might be fucked
this is from the atmosphere github
Configuring "nogc" Protection
"nogc" is a feature provided by fusée-secondary...
Ah, yes, portrait mode, surely the best way to film a row of people. If only there were some way to fit a wider shot, at the expense of height... if only...
Diddy - "I never touched her, that bitch is crazy." Video is released. Diddy - " Ok I did it, i am remorseful for my actions during my darkest times." Lol