Grey screen at start up on my ibook 4G Tags: 4G Safemode Ibook Mac OS X Last response: May 24, 2012 7:25 PM in Mac Os X Share margaretiam May 21, 2012 6:40:00 PM Hello, i need to repair my ibook G4 from freezing at start up i cant even get into safemode can you guide me through it ? More about : grey screen start ibook roagie May 24, 2012 5:11:40 AM Command + S (single user mode) enter in terminal the following /sbin/fsck -fy /sbin/mount -uw / Sometimes i run /sbin/fsck -fy again after the mount command depending m 0 l johnsonma May 24, 2012 7:06:31 PM Have you tried zapping your PRAM? Hold Command+Option+P+R while booting up and wait for 3 dings before you let go. m 0 l Can't find your answer ? Ask ! Get the answer benji720 May 24, 2012 7:25:48 PM Honestly, probably a shot logic board. This is at least an 8 year old computer; I'd think about investing in a new Macbook, or if you don't want to spend >$1k, get a cheap PC laptop. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedGrey Screen on a hp immediately after power up Forum Screen Freezes then Pink or green or grey Background come up with lines on it Forum SolvedGrey lines moving up and down screen Forum Computer boots up to grey screen with only floppy and HD to select, nothing else works. Forum Failed installation from windows 7 to Zorin, grey screen on boot up Forum [Solved] Grey Screen on a hp immediately after power up Forum Solvedno Screen Start up Please Fix Forum Solvedwhite screen on start up but can see the windows desktop screen for a couple seconds before the white screen. Forum SolvedAlienware M17x r1 , Win7 Screen flashing black/blue on win start up Forum SolvedGTX 580 crashing with odd start up screen Forum SolvedBlack screen with cursor after start up - New PSU and Graphics Card Forum Solvedmy laptop can start up normally but the desktop screen was blank, no icon at all. can anyone help? thank you Forum Solvedpc boots but blue screens during start up loading screen Forum Solvedblank screen on start up Forum SolvedAcer Aspire 5560G does not start up, black screen Forum SolvedNew graphics card gives causes reboot shortly after start-up then gives a black screen Forum SolvedComputer won't start up, black screen after installing a R9 270x Forum SolvedBlue Screen of Death on start up Forum SolvedComputer stuck on start up screen aftering upgrading graphis card & psu Forum Solvedacer aspire 5250-bz452 won't go past the start up screen Forum More resources Read discussions in other Mac Os X categories Configuration Customization Drivers Security !