MacBook :: Hangs At Blue Screen Before Login Window?

Jul 15, 2010

After what seemed to be an improper shutdown my Macbook will not boot. I have tried using fsck to no avail. Booting to the leopard dvd causes it to restart. Flashing PRAM doesnt seem to help and it will not boot into safe mode.

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Software :: No Login Window Just A Blue Screen?

Apr 22, 2010

I love customizing my Mac and tinker with its preferences so I guess I had this one coming, although it's my first major mistake.

I'm running Mac OS 10.5 and I downloaded a loginwindow.bundle from deviantart to customize my login window but I realized too late that it was for Snow Leopard. What I ended up doing was:

- I replaced the original loginwindow.bundle with the one I downloaded; and

- I replaced the original com.apple.loginwindow.plist with the one included above.

- Thankfully, I made a backup of the original files which I kept in my Documents folder.

I then logged out and ... the login window never appeared, just a black blue screen and that round loading thingy at the bottom. I'm sure that's the only cause of my problem. (If it helps, I don't have autologin enabled, so I have two accounts to choose from before I can login.)

I've tried booting in single user mode and in safe mode but neither works.

I've narrowed down my options.

1. Use some commands in single-user mode to replace the new loginwindow.bundle and loginwindow.plist with the old ones, which are in my Documents folder (like in Terminal). Thing is, I don't know how to do this, if ever it's possible; OR

2. Use my Bootcamp partition (thank God for Bootcamp!) to manually do the abovementioned option with Transmac, which I already tried. Unfortunately, I can't write to my Mac OS partition since it's read-only, which leads me to the problem of having to change it to read-write via single-user mode.

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Mac Pro :: Login-window Crashes With Blue Screen And Sudden Log-out?

Apr 2, 2012

I have faced some known symptoms of a problem for which I was not able to find any sound resolution. I have an account with which I am unable to login. When I enter login details for a session, the system immediately kicks me out showing a blue screen, logs out and goes back to the login window. An interesting observation during a sudden logout is that I spotted a vague image or window of an open application (probably Finder) at the background which is like 95% transparent in comparison to the Mac's desktop and therefore barely visible. The white-ish edges of that window is more distingushable though for a short duration. 

I can ssh to this username and work remotely. But there is another username which has not been affected with this issue and works fine. The console logs show that loginwindow process is crashing everytime. Look at the output below. There have been notes with similar effects but with specific causes (e.g. MS Excel 2004 inc Rosetta, Blootooth peripherials, eBook Studio, Photoshop CS3 etc.) which might be related cases.

[URL]

I have already tried booting in Safe Mode, deleting loginwindow.plist without success.

Process:         loginwindow [52]
Path:            /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow
Identifier:      loginwindow
Version:         ??? (???)

[code].....

Info:
Mac OS X (10.4), Unlimited Client Server

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OS X :: Apple Grey Screen And Hangs, Gets To The Login Screen And Hangs?

Jul 13, 2010

I have a much loved ibook G4 14" (late 2004??). It has just died. Well, in so much as it won't boot up. The ibook either gets as far as the apple grey screen and hangs, gets to the login screen and hangs, actually loads up finder etc and hangs or none of the above. Sometimes flashing red, blue green black.

After lots of research online over the past few days I tried the following: I have tried safe mode (not working), starting the command prompt screen (single user and verbose modes), started open firmware, and tried booting from a CD. Nothing works as the boot gets so far then hangs. I have flashed the PRam, resetted the NVRam, and have stopped short of opening up the case to dismantle it!

I just really want to access the hard drive now. I have tried Target disk mode and linked the ibook (pressing T) via firewire to a PowerPC G5, but the G5 doesn't recognise the ibook. System profiler on the G5 shows the target mode connected and working fine via firewire, just the icon for the ibook/target doesnt mount on the G5 desktop so I cant access it.Currently the boot freezes within a couple of minutes.I tried the hardware test CD that came with the ibook years ago, I have also tried booting from an OSX Panther CD. I'm assuming they would be bootable.

I forgot to mention that in linking with the G5 in target mode, a disk that I put in the ibook drive appeared on the G5 desktop as an external drive, therefore I wonder why i cannot see the actual ibook drive mounted. The CD drive works as it mounted on the G5.Does the ibook have an actual PRam battery that can be replaced? Maybe this is an issue?Am I able to actually remove the hard-drive and access it as an external drive somehow?

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Software :: Startup Hangs At Login Window Starting

May 19, 2008

My computer hangs on startup. It's a PowerBook 12� G4 with 10.3.9.

First, the screen flashes black, then blue, then I get the normal startup progress bar. At the end, though, it hangs. If the ethernet cord is in, it hangs at "Waiting for network services" or something like that. If the ethernet cord is out, it hangs at "Login window starting".

The bigger problem is that my system install CDs are in the U.S., and I'm in China for the next six weeks.

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OS X V10.6 Snow Leopard :: Login Window Hangs After Sleep

Apr 25, 2012

I've got this peculiar problem with my MacBook Pro Intel Core i5 running 10.6.8 with all the updates. Whenever I open the computer after logging out, the login window hangs. The insert bar in the username field doesn't blink and I get the spinning beach ball. Sometimes there's no cursor at all. If I close the lid without logging out there's never a problem. But of course that's not an aceptable solution.

I can not reproduce the problem with a fresh account, so I assume there's something wrong with my account. I've had this problem ever since I setup my original account. I've gone through the system.log and I do see some errors during the time the computer goes to sleep after I logout, but I don't know if they are serious or normal warnings.

Info:MacBook Pro, Mac OS X (10.6.8)

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OS X :: Computer Hangs On Blue Screen / Updated G5 To 10.5.6

Dec 31, 2008

I have just updated my iMac G5 to 10.5.6. When I restart, it hangs on the blue screen before log in. I have restarted in Safe Mode (no problem there) and removed the APE files in the library folder, as suggested on support.apple.com. I have also repaired permissions and verified the drive. Still no luck.

Is it really possible that the computer needs hours to restart after the update? And would it be better for me to restore using Time Machine or do an Archive & Install with the Leopard discs? The computer was acting a little funky before I updated to 10.5.6 (iTunes was sluggish), but I never had a problem rebooting.

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Software :: Blue Screen On Macbook After Login?

Sep 11, 2010

I have a macbook with tiger software. I used it recently and the internet and itunes were intermittently freezing. I shut the computer down and when i tried to turn it on again, it gets to the logon stage,recognises my logon, but then it goes to the blue screen and nothing happens.

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OS X :: Mac 10.5.7 Hangs On Blue Screen - Spotlight Quit Unexpectedly

Jun 11, 2009

I installed the 10.5.7 update yesterday on my iMac and had no issues with it. It was rebooting with no problems until this morning I tried to boot Mac OSX 10.5.7 and it hangs on the blue screen with just the pointer and a message telling me that spotlight has quit unexpectedly. I have tried switching to safe mode and still have the same problem and I have also tried to repair the disk on Disk Utility but it tells me that disk appears to be ok. I could reinstall Mac OSX but I don't want to loose files and music that I have on Leopard.

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Software :: IBook G3 Not Start Up - Hangs Up At Blue Screen

Feb 10, 2006

My IBook G3 will not start up. I can get the gray apple screen with pinwheel and then after a really long time it will go to a blank blue screen. A couple times it went to the login screen instead but in the user id it says "other" and when I try to enter my username and password it won't recognize me. I am a college student and one of the Apple geniuses here did a check of my hard drive and it checked out okay. We were not able to get it to start up in safe mode; it seemed like it was starting in safe mode but then it came to the login screen and would not allow me to login with my usual information. I was able to start up in single user mode and run fsck which found a couple things and after another fsck it said everthing was fine. But, it still gets hung up at startup. When I try to boot from the OS X installation CD it doesn't seem to be booting up with it, it only goes to the screen to install OS X. According to the directions on the Apple support site when I insert the CD and start up holding down the "c" key it should start up and then I should be able to repair permissions but I can't get that far.

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IBook :: G4 Hangs On Blue Screen Except In Safe Mode

Jun 4, 2014

my ibook g4 hangs on blue screen except in safe mode

Info:
iBook

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OS X :: 10.6.1 Snow Leopard Hangs And Blue Horizontal Lines On Screen?

Nov 2, 2009

Over the past month I have encountered a number of bugs with Snow Leopard on my MacBook Pro (mid 2006). Ever once in a while, usually during high performance task (like watching flash or encoding with handbrake) the temperature of my cpu will spike to 85-90 degrees celsius and then the system freezes.

During this freeze, I can still move my mouse, but I am unable to click on anything on the dock or any program. Moving the mouse over the dock does not invoke the magnification either. I have to do a hard reset to fix the problem.

Also every once in a while, a long blue horizontal line will appear in on the screen. (sometimes their in iChat windows, sometimes safari, and sometimes the desktop as shown in the photo).

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Hardware :: Hd Errors Resolved By Restarting With Cd / Hangs At Light Blue Screen

May 22, 2010

my G5 (10.5.4)in work has some HD errors (From the Disk utility program) that need to be resolved by restarting with the os CD. But The OSX Disc will not load i just get a light blue screen. Is there anyway i can fix these problems?

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Software :: Gets To The Login Screen And Hangs, Actually Loads Up Finder Etc?

Jul 13, 2010

I have a much loved ibook G4 14" (late 2004??). It has just died. Well, in so much as it won't boot up. The ibook either gets as far as the apple grey screen and hangs, gets to the login screen and hangs, actually loads up finder etc and hangs or none of the above. Sometimes flashing red, blue green black.

After lots of research online over the past few days I tried the following: I have tried safe mode (not working), starting the command prompt screen (single user and verbose modes), started open firmware, and tried booting from a CD. Nothing works as the boot gets so far then hangs. I have flashed the PRam, resetted the NVRam, and have stopped short of opening up the case to dismantle it!

I just really want to access the hard drive now. I have tried Target disk mode and linked the ibook via firewire to a PowerPC G5, but the G5 doesn't recognise the ibook!? System profiler on the G5 shows the target mode connected and working fine via firewire, just the icon for the ibook/target doesnt mount on the G5 desktop so I cant access it.Currently the boot freezes within a couple of minutes.

I tried the hardware test CD that came with the ibook years ago, I have also tried booting from an OSX Panther CD. I'm assuming they would be bootable.I forgot to mention that in linking with the G5 in target mode, a disk that I put in the ibook drive appeared on the G5 desktop as an external drive, therefore I wonder why i cannot see the actual ibook hard drive mounted. The CD drive works as it mounted on the G5.

Does the ibook have an actual PRam battery that can be replaced? Maybe this is an issue?Am I able to actually remove the hard-drive and access it as an external drive somehow?

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MacBook :: Stuck At Grey Apple Screen / Login Window At Startup?

May 9, 2012

recently a friend of mine offered to update my 2009 MacBook to Mac osx Lion. when I received the computer back from him, it required a rather large update that has put my MacBook in a terrible state.  

upon rebooting from the update, it froze at the grey Apple loading screen, and of course I thought nothing of it and gave it a little restart. Since then I cannot get it past the grey screen or the login window. it seems as though I cannot type in my password or click 'sleep' or any option the window gives me. I've been working on this issue all day, and I've tried countless things from the apple support community, with no avail.  

I've tried clearing the cache, I've tried safe mode, I've tried the command+option+control+enter trick on the login page, I'm even trying to boot from the install disc my friend gave me...and it's just refusing to move past the grey screen.  

Info:
MacBook, Mac OS X (10.7.3)

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OS X :: Got To The Blue Screen Before The Password Login And Freezes?

Jan 8, 2010

Today my imac done something wierd. When powering on it got to the blue screen before the password login and it just froze on the blue screen. I done a hard restart and rebooted a few times. Didn't do it any more after that.

Should I be worried? It's only a few months old.

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Software :: Won't Use G5 / Blue Screen Freeze Before Login

Jan 7, 2009

My iMac G5 (running 10.4.11) freezes at the blue screen, after recognizing the mouse, but before the login window. Some form of energy saver must be working because after the blue screen dims, moving the mouse will brighten it.

Steps I've taken:
Hardware test - everything passed (RAM, logic board, airport, display, etc...)
Zeroed the computer (7 times) and fresh reinstall

I CAN boot up in Safe Mode, Single User Mode, and Verbose mode. I can boot from CD, Knoppix CD, and into Target Disk mode (thank god for this MacBook I'm on now...)

Here's the system log (I've edited in comments and out personal info):

// reboot and power on

[SIZE="2"][FONT="Tahoma"]Jan 6 21:19:02 users-imac-g5 shutdown: reboot by user:
Jan 6 21:19:02 users-imac-g5 SystemStarter[102]: authentication service (110) did not complete successfully

// gray apple screen with spinning progress bar

Jan 6 21:19:35 localhost kernel[0]: standard timeslicing quantum is 10000 us
Jan 6 21:19:35 localhost kernel[0]: vm_page_bootstrap: 124630 free pages
Jan 6 21:19:35 localhost mDNSResponder-107 (Mar 20 2005 20: 31:47)[38]: starting
Jan 6 21:19:35 localhost kernel[0]: mig_table_max_displ = 70
Jan 6 21:19:35 localhost kernel[0]: 89 prelinked modules
Jan 6 21:19:35 localhost kernel[0]: Copyright (c) 1982, 1986, 1989, 1991, 1993
Jan 6 21:19:35 localhost DirectoryService[36]: Launched version 1.8 (v346)
Jan 6 21:19:35 localhost kernel[0]: The Regents of the University of California. All rights reserved.

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Software :: Mac OS X Stuck On Blue Login Screen

Aug 31, 2010

My Mac OS x is stuck on the blue login screen. I have tried unplugging, cmd-alt-p-r which still takes me to the login screen, held down until I heard the chime three times as suggested but went to login screen. Tried going in to safe mode by holding down shift key at start up still took me to login screen. Tried to fix with boot disc and nothing comes up. By the way I wasn't really doing anything. Was checking my emails but hadn't even clicked on one when the screen totally froze. When I powered down it came back to email page. I had to force a shutdown several times and no can't get past login screen.

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OS X V10.6 Snow Leopard :: Blue Screen Before Login

May 29, 2012

After upgrading from Leapard to Snow Leapard a few weeks ago on my macbook there has been a blue screen flashing before the login screen. Is this normal? Or am I being peranoid? could it be that i installed app cleaner? I unistalled app cleaner and it still did the same.

Info:MacBook, Mac OS X (10.6.8)

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Software :: Blue Screen Start Up - Can't Login From Darw

Dec 26, 2008

I created a new user the previous evening and shut the computer down as normal, now when i start up I get nothing but a blue screen no login in screen nothing. I tried going into the command as root, have done fix disk errors no problems there, then tried lunchctl load/Users/System/Library/LaunchDaemons/com.apple.... plist cant rember the bit in between. I did this from the apple website, but all i get is no file to load, so anyway continued to do ls users/ get the names and tried reseting the password for the login's and i get a odd error. I have no idea where to go from here, as i cant find the original discs, can i use mybrothers os x 10.5 discs to re-install and save the files i want to keep and do a clean install?

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OS X :: Customizing Login Screen Window?

Dec 22, 2009

Have searched forums and found no direct answer for my Q which is ...

How do I change the background fill on the login screen window from solid to transparent or translucent?

Reason is cosmetic ... solid window is screen centered and blocks too much of HD wallpaper.

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PowerPC :: G4 Stuck At Login Window Starting Screen

Sep 23, 2010

I have an old G4, think its a powerMac, not sure. It was given to me. When i try to boot up, its loading up, but its stuck at "login window starting" screen.

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OS X V10.7 Lion :: Screen Become Black After The Login Window Displays?

Mar 7, 2012

when I tried to launch the macosx lion, after display the login window, the whole window become black. 

Then I inject the U-Disk that has MacOSX Lion Installer in it, after the white screen, it become black too. So I can not re-install macosx. 

Then I tried press `shift` at login. It also didn't solve the problem. At last I tried the single user mode. It appears some problems: 

... USBF ... The IOUSBFamily is having trouble enumerating a USB device that has been plugged in. It will keep retrying. (Port 4 of Hub at 0X24000000)

no interval found for . Using 8000000 

USBF: 9.62 AppleUSBEHCI[0Xffffff800ba92000]::Found a transaction which hasn't moved in 5 seconds on bus 0X24, timeing out!(Addr:0, EP:0)

...(it appears 5 times) 

USBF: 51.642 [0Xffffff800c4eaa00] The IOUSBFamily was not able to enumerate a device. 

Info:
MacBook, Mac OS X (10.7.3)

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OS X V10.6 Snow Leopard :: Configuring A Screen Saver To Run At The Login Window?

Mar 28, 2012

I'd like to set the screensaver to the loginwindow. But I'm not sure. Is it save? Or are there some risks? And how can I disable the screensaver at the loginwindow? (I haven't got workgroupmanager.) 

Info:
MacBook
Pro, Mac OS X (10.6.8)

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MacBook :: Login Stuck On Login Window Starting

Dec 19, 2010

When I turn on lap top (iBook G4 Mac OS x 10.3) i get the following message "Login Window Starting" I followed Apple support guidance - specifically safe start and performing the fsck then reboot process and neither works for me. I don't have the disks any more so I cant use them for reloading the software. I want to sell the laptop so i just want to format the HD. Is it possible to format from command lines?

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Intel Mac :: 27 Blue Strips, After Loading Blue Screen Or Load Of Blue Dots

Mar 29, 2012

I have iMac 27 and screen problem on start up i have blue vertical lines, when it start i have a lot of blue dots and nothing else. when I connect outside monitor its showing the same.

Just installed lion and still the same problem when it starts blue dots, when startup in safe mode loads of blue lines and dots on the screen.

Info:
iMovie (iOS), Mac OS X (10.7.3)

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MacBook :: Screen Goes Blue While Using / Diffrent Blue Colors Appear On Screen?

Sep 17, 2010

while i am using my macbook the screen will suddenly go blue and flash between different blue colors like it is trying to work. sometimes it comes back on but most of the time it stays like that. I have to force shut down with the button and then restart...about half the time it is still flashing blue after the restart and if it does work, it goes blue eventually.

dont know if its a problem with the screen or what because the computer continues to work...if there is a movie on, you can here it in the background and the screen just flashes.

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MacBook Pro :: Mid 09 Screen Blue - Dark / Deep Blue Always Look Like Purple Colour

Jan 1, 2010

I just got a new mid 09 macbook pro no matter how I calibrate the screen. the dark/deep blue will always look like purple colour.

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OS X :: Bad Loginhook Script Hangs The Machine After Login

Feb 28, 2009

I was exploring with synergy and found about this LoginHook. I made a script as advised here: [URL](Second method for OSX). At first script provided in tutorial didn't work out, as synergy started without -f (no-daemon) seemingly does nothing, and does not even give an error message.. So without giving it a proper thought I added the -f flag. Now as I do login on any user, screen hangs as it runs the script (and I can move the mouse around over synergy client, so at least that works... ) So how can I get my hands on that script without normal login? Safe Boot mode didn't help, and I wasn't able to connect via SSH. Is there any way besides reinstalling the whole system?

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Software :: Using Master Account - Hangs When Login

Nov 7, 2008

I have a 14' macbook with os x 10.5 on it. Lately my master account hangs when you log in. Sometimes at the background screen, sometimes the finder loads but won't let you do anything, and it can hang anywhere in between.

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