Quote:
Originally posted by ricok987:
If you have a floppy disk in the disk drive it could be that the drive is malfunctioning. Try powering down and playing the keyboard wothout a floppy in the drive and see if it still hangs.

Thank you for the answer.
It hangs without the working disc drive. Can it be from behind the faulty adapter of voltage?

Best regards,
Sergy.