Follow the on-screen instructions to "Update" or "Restore" the system.
Download the from the official Korg website. korg pa2x pro factory reset
You should use the complete format if your Pa2X Pro is frozen on the boot screen, crashes frequently, displays system error messages, or has a corrupted operating system. The in-menu restore is only suitable for a fully functional OS where you simply want to clear user data. Follow the on-screen instructions to "Update" or "Restore"
Unzip the file and copy the .SET folder to a clean USB flash drive. Insert the USB drive into your Pa2X Pro. Press the button on the front panel. displays system error messages
If the instrument is on, press and hold the STANDBY button for about one second to turn it off. Wait a few seconds.