Start up for a dead Pismo- Press and hold start button- - Press and hold Control key =Ctrl.
Also Press and hold P and R keys. (PR=pram) When screen lights up. Count 5seconds.let go of start button- keep Hold of ctrl and p and R
keys untill booted-
If this does not work you may have to disconect the Pram batterie Which is under the key board- And strat over - If successfull. Reconect pram batterie. Good luck- J- Over&Out.