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Apple Computing Products:
macOS - Operating System
OS hangs on blue screen just before login
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<blockquote data-quote="izzmcleod" data-source="post: 975519" data-attributes="member: 138992"><p>Hi everyone,</p><p></p><p>I am using a macbook (early 2008 version) running OS 10.5.8 on a journalled hard drive. Since yesterday it has been hanging on the blue screen just before the login box pops up.</p><p></p><p>The full details are:</p><p></p><p>I was trying to set up sharing so I could transfer files from my Windows machine to my mac, so I went into the share settings and noticed the 'file sharing' option was already enabled with afp, so I disabled afp and enabled smb instead for my user profile. When the sharing didn't work (unrelated issue, I now know that I was just typing the address into my Windows machine in the wrong format) I disabled smb but didn't re-enable afp, so that all file sharing was completely disabled.</p><p> </p><p>When I'd done that, I clicked on the 'lock' button in the system preferences - for no apparent reason, it's not like anyone else uses my computer. Later on once I'd found what I'd done with sharing, I went back to the settings to change them and clicked to unlock them but it wouldn't do anything - normally it pops up a password box but it wasn't doing anything. I tried a couple of other system preference windows with the same problem.</p><p> </p><p>So using my knowledge from watching 'The IT Crowd' I went for the usual approach of "have you tried turning it off and on again?" and that's when it got stuck on booting.</p><p></p><p>Now if I try to boot it up I can't get to the log-in screen, it sticks on the blue screen just before that. I've tried all the help suggested on the Apple website <a href="http://support.apple.com/kb/TS1417" target="_blank">Resolve startup issues and perform disk maintenance with Disk Utility and fsck</a> and it hasn't helped:</p><p> </p><ul> <li data-xf-list-type="ul">I can't get into safe mode</li> <li data-xf-list-type="ul">If I boot from the Mac OS X cd then I can use disk utilities; 'repair disk' said it found no problems, 'repair permissions' said underlying disk reported failure and it couldn't finish</li> <li data-xf-list-type="ul">The Apple article for that error <a href="http://support.apple.com/kb/TS1901" target="_blank">Disk Utility reports "Underlying task reported failure" when repairing a volume</a> says to use fsck in single user mode, which I have tried</li> <li data-xf-list-type="ul">The first time I run /sbin/fsck -fy it says some errors have been repaired, so I run it again and it says no errors found, but when I reboot it still doesn't work</li> <li data-xf-list-type="ul">If I go and repeat the fsck command then it still finds errors the next time</li> </ul><p>I don't have another mac so I can't access the disk any other way to get my data and unfortunately I don't have a backup because my external hard drive is formatted for Windows compatibility...</p><p></p><p>I have looked at the system log using</p><p>more /var/log/system.log </p><p></p><p>and I have found this error:</p><p>my-macbook mds[21]: (Error) Import: importer:0x83dc00 Importer start failed for 89 (kr:268435459 (ipc/send) invalid destination port)</p><p>my-macbook /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[158]: Login Window Application Started -- Threaded auth</p><p>my-macbook loginwindow[158]: Login Window Started Security Agent</p><p>my-macbook loginwindow[158]: Login Window - Returned from Security Agent</p><p>my-macbook loginwindow[158]: AuthorizationRef doesn't have a username (LoginAuthRefMgr: 0x5305b0). Exiting.</p><p>my-macbook com.apple.loginwindow[158]: AuthorisationRef doesn't have a username (LoginAuthRefMgr: 0x5305b0). Exiting. </p><p>my-macbook com.apple.launchd[1] (com.apple.loginwindow):Throttling respawn: Will start in 10 seconds</p><p>my-macbook com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[162]): Exited: Terminated</p><p>my-macbook ManagedClient[164]: CGSShutdownServerConnections: Detaching application from window server</p><p>my-macbook com.apple.launchd[1] (com.apple.mDNSResponder[167]): posix_spawnp("usr/sbin/mDNSResponder", ...): No such file or directory</p><p>my-macbook com.apple.launchd[1] (com.apple.mDNSResponder[167]): Exited with exit code: 1</p><p>my-macbook com.apple.launchd[1] (com.apple.mDNSResponder): Throttling respawn: Will start in 10 seconds</p><p>my-macbook com.apple.launchd[1] (com.apple.usbmuxd[168]): posix_spawnp("/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/Resources/usbmuxd", ...): No such file or directory</p><p>my-macbook com.apple.launchd[1] (com.apple.usbmuxd[168]): Exited with exit code: 1</p><p>my-macbook com.apple.launchd[1] (com.apple.usbmuxd): Throttling respawn: Will start in 10 seconds</p><p></p><p>So then I started up in Single-User mode and ran</p><p></p><p>/sbin/fsck -fy </p><p></p><p>twice until I got a message 'The volume <yourdiskname> appears to be OK'. Then continued with </p><p></p><p>/sbin/mount -uw / </p><p> cd /Library/Preferences</p><p> rm com.apple.loginwindow.plist</p><p> rm com.apple.windowserver.plist</p><p> cd /Library/Caches</p><p> rm -r * </p><p> cd /System/Library</p><p> rm Extensions.kextcache</p><p> cd /System/Library/Caches</p><p> rm -r * </p><p> reboot </p><p></p><p>Unfortunately this STILL hasn't fixed the problem and now I'm completely out of ideas. Can anyone help?!</p></blockquote><p></p>
[QUOTE="izzmcleod, post: 975519, member: 138992"] Hi everyone, I am using a macbook (early 2008 version) running OS 10.5.8 on a journalled hard drive. Since yesterday it has been hanging on the blue screen just before the login box pops up. The full details are: I was trying to set up sharing so I could transfer files from my Windows machine to my mac, so I went into the share settings and noticed the 'file sharing' option was already enabled with afp, so I disabled afp and enabled smb instead for my user profile. When the sharing didn't work (unrelated issue, I now know that I was just typing the address into my Windows machine in the wrong format) I disabled smb but didn't re-enable afp, so that all file sharing was completely disabled. When I'd done that, I clicked on the 'lock' button in the system preferences - for no apparent reason, it's not like anyone else uses my computer. Later on once I'd found what I'd done with sharing, I went back to the settings to change them and clicked to unlock them but it wouldn't do anything - normally it pops up a password box but it wasn't doing anything. I tried a couple of other system preference windows with the same problem. So using my knowledge from watching 'The IT Crowd' I went for the usual approach of "have you tried turning it off and on again?" and that's when it got stuck on booting. Now if I try to boot it up I can't get to the log-in screen, it sticks on the blue screen just before that. I've tried all the help suggested on the Apple website [url=http://support.apple.com/kb/TS1417]Resolve startup issues and perform disk maintenance with Disk Utility and fsck[/url] and it hasn't helped: [LIST] [*]I can't get into safe mode [*]If I boot from the Mac OS X cd then I can use disk utilities; 'repair disk' said it found no problems, 'repair permissions' said underlying disk reported failure and it couldn't finish [*]The Apple article for that error [url=http://support.apple.com/kb/TS1901]Disk Utility reports "Underlying task reported failure" when repairing a volume[/url] says to use fsck in single user mode, which I have tried [*]The first time I run /sbin/fsck -fy it says some errors have been repaired, so I run it again and it says no errors found, but when I reboot it still doesn't work [*]If I go and repeat the fsck command then it still finds errors the next time [/LIST] I don't have another mac so I can't access the disk any other way to get my data and unfortunately I don't have a backup because my external hard drive is formatted for Windows compatibility... I have looked at the system log using more /var/log/system.log and I have found this error: my-macbook mds[21]: (Error) Import: importer:0x83dc00 Importer start failed for 89 (kr:268435459 (ipc/send) invalid destination port) my-macbook /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[158]: Login Window Application Started -- Threaded auth my-macbook loginwindow[158]: Login Window Started Security Agent my-macbook loginwindow[158]: Login Window - Returned from Security Agent my-macbook loginwindow[158]: AuthorizationRef doesn't have a username (LoginAuthRefMgr: 0x5305b0). Exiting. my-macbook com.apple.loginwindow[158]: AuthorisationRef doesn't have a username (LoginAuthRefMgr: 0x5305b0). Exiting. my-macbook com.apple.launchd[1] (com.apple.loginwindow):Throttling respawn: Will start in 10 seconds my-macbook com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[162]): Exited: Terminated my-macbook ManagedClient[164]: CGSShutdownServerConnections: Detaching application from window server my-macbook com.apple.launchd[1] (com.apple.mDNSResponder[167]): posix_spawnp("usr/sbin/mDNSResponder", ...): No such file or directory my-macbook com.apple.launchd[1] (com.apple.mDNSResponder[167]): Exited with exit code: 1 my-macbook com.apple.launchd[1] (com.apple.mDNSResponder): Throttling respawn: Will start in 10 seconds my-macbook com.apple.launchd[1] (com.apple.usbmuxd[168]): posix_spawnp("/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/Resources/usbmuxd", ...): No such file or directory my-macbook com.apple.launchd[1] (com.apple.usbmuxd[168]): Exited with exit code: 1 my-macbook com.apple.launchd[1] (com.apple.usbmuxd): Throttling respawn: Will start in 10 seconds So then I started up in Single-User mode and ran /sbin/fsck -fy twice until I got a message 'The volume <yourdiskname> appears to be OK'. Then continued with /sbin/mount -uw / cd /Library/Preferences rm com.apple.loginwindow.plist rm com.apple.windowserver.plist cd /Library/Caches rm -r * cd /System/Library rm Extensions.kextcache cd /System/Library/Caches rm -r * reboot Unfortunately this STILL hasn't fixed the problem and now I'm completely out of ideas. Can anyone help?! [/QUOTE]
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OS hangs on blue screen just before login
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