Try booting into Safe Mode by holding down the Shift key all the way through the booting sequence until you, hopefully, see the Login screen. --Steve At 11:54 PM -0400 8/26/05, BROADWAY33 at aol.com wrote: >Can anyone help...........I inadvertenly hit master power switch off..........and when I restarted my MAC G4 dual 867.....Tiger....it opens to a blue screen.....and will not do anything.......I have cursor arrow.....but cant find anything to open....no tool bar....icons or anything......it does say starting OS X in beginning...but thats it...blue....... > >any help appreciated...Thank You......Kevin