Casio DG-20 digital guitar

[djw]

hello, i just received a casio dg-20 and i get no sound at all. the strings are really loose but i don't know if that has anything to do with the guitar not working. if anybody has any ideas could you please let me know. also, is there anybody who could look at it and do some of the cool mods ?

[gmeredith]

Does the red LED come on when you plug a 9V plug pack into it? If yes, then the string tension does need to be somewhat tight for it to trigger properly, but not too tight.

Cheers, Graham