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 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. 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. Can't find your answer ? Ask ! Publish Related resources: ForumBig problem with the Evga gtx 670 4g ... ForumGetting linux off ibook ForumURGENT - Installed a new hard drive in my iBook but it doesn't show up ForumGrey Screen on a hp immediately after power up ForumGrey screen crash ForumiBook or Windows Laptop? ForumHP pavilion grey screen on startup ForumGrey lines appear on laptop screen window 7 ATI radeon 3200 ForumAti hd 5870 grey screen of death ForumHow to switch off grey screen in windows xp ForumGrey Screen When Gaming With HD5770 Help ForumASUS ROG 5870 grey screen of death Forum5850 flickering and complete grey /green screen lately....? ForumWhy does my laptop freeze and show a strange grey screen ? ForumHow to break RSD password for blocked sites ForumIbook G4 Black chime then black screen ForumWhy cant i see my capacity available on my start up drive ForumGreen screen on tv ForumHelp: Black screen when booting to Windows 7 ForumScreen Lightening More resources Read discussions in other Mac Os X categories Configuration Customization Drivers Security !