20 Most Recent Korg Pa2X Pro 76Key Professional Arranger Keyboard Questions & Answers

http://www.korg.com/us/support/download/software/1/186/2448

Yes, HD's can go bad... they aren't that expensive try a new one and be sure to format it before use.

Question edited for clarity. It is a known issue, you need an electronics engineer. https://www.google.com/search?q=korg+m1+distorted+output ..

No one knows the fuse type, but the details should be on the fuse itself. Then you can't get them from an electronics store or Amazon. The Service Manual is in the link. https://www.google.com/search?q=Korg+n364+keyboard+replacement+fuse ..

See page 166 troubleshooting of user manual. It may help. 331ad6cf40f982ddcfbb201db1a6d34f.pdf (korg.com)

If you contact Korg, they can send you a dowloadable link to burn the software to a disc.

up to you if you ant to spend the money to have it diagnosed and repaired

$213 or take to an electronics service technician to diagnose which part got damaged and replace the component/s. https://reverb.com/au/item/69569832-korg-n364-n264-x2-x3-workstation-power-supply-board-assembly-part-klm-1633 https://www.google.com/search?q=Power+supply+board+of+Korg+X2 ..

Sounds like loss of memory\programming.Go to Korg website for download.

https://www.google.com/search?q=install+firmware+in+Korg+X50 ..

It is a known issue! https://www.google.com/search?q=display+problems+with+KORG+D1200 ..