Problem in Switching on My Keyboard - Yamaha PSR-S770

by IBRAHIM M AYOUB
(TANZANIA)

Hi, what should i do to fix my yamaha keyboard PSR-S770 when it display the message "SYSTEM BOOTER VER 1.0, PLEASE INSERT THE INSTALLER MEDIA".

[?]Subscribe To This Site

Search This Site:

Custom Search

Recommended For You
Learn to play piano and keyboards:

Enter Your E-mail Address

Enter Your First Name (optional)

Then Don't worry — your e-mail address is totally secure. I promise to use it only to send you Yamaha Keyboard Guide Xpress!.