Getting light blue screen during startup for 3-5 Seconds

I get a light blue screen during start up for about 3-5 seconds. It shows the spinning image for loading, once its done that goes away and then it goes light blue for couple seconds then back to the white page with the apple logo then brings me to the user login page. It also takes longer then usual to start up, load dock and the menu bar. I've read around and it seems people are saying its normal? but this just started happening.

Which model Macbook Pro do you have?
It also takes longer then usual to start up, load dock and the menu bar.
How large is your hard drive and how much hard drive space do you have left?
Go to your Account/Login Items and get rid of all you do not need.

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Lenovo 3000 N200 - Blue Screen during Startup

I have a 3000 N200 laptop running Windows XP which has begun showing a blue screen error then restarting during startup.
When turned on, it shows the Lenovo logo page then a page saying Windows did not start successfully last time. When I choose to start Windows in both normal and safe modes, the XP startup screen comes up then a blue screen flashes up for 1/2 a second then it restarts. I disabled restart due to system failure and read the error code, details are below:
UNMOUNTABLE_BOOT_VOLUME
Technical Information:
*** STOP: 0x000000ED
(0x86F5F030, 0xC0000006, 0x00000000, 0x00000000)
Choosing to start with command prompt loads files up to...system32\drivers\mup.sys, then freezes and restarts.
I have tried to enter the rescue and recovery using the LenovoCare button and F11, but this begins to load then freezes on the first screen.
I rang Lenovo and they sent recovery discs but these have not worked, bringing up the Rescue and Recovery first screen with the Boot CD and freezing as with the LenovoCare/F11 buttons.
I will be ringing Lenovo again tomorrow but any advice in the meantime would be much appreciated.
Message Edited by SuperstarDiver on 09-02-2008 08:51 PM

OOPS!!
Thanks for the PM, I made a mistake and inserted the wrong link
This is the correct link which I meant to post. It's a link from this site which you may want to add to your favourites.
Sorry
Andy ______________________________________
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Power Mac G5 stuck on light blue screen at startup.

My mac starts normally *until after the Apple/loading screen. After that it stays on a light blue screen.
I have tried a new video card, different RAM. What is the problem?

Hello,
Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive & clear caches.)
If perchance you can't find your install Disc, at least try it from the Safe Boot part onward.

Can't get past the Blue Screen during startup

I decided to upgrade the 4/8/08 firmware on my aluminum bluetooth keyboard this afternoon using my mac mini. Shortly after the procedure started, something happened to the keyboard and it could not complete the install. I tried a second time, but again no luck. I then decided to replace the keyboard batteries and try again, but I was no longer able to connect the keyboard to the mini.
I decided to restart the computer and try the whole procedure again. But after the grey screen comes up with the Apple logo, the mini went to the blue screen with the spinning gear, then the mouse appeared in the upper left hand corner, then a little later the gear, then nothing, then the mouse, then the gear... I could never get past this blue screen.
I plugged in a wired keyboard and was able to startup 10.5 using the install DVD, which allowed me to check and repair the permissions and the disk. After a restart, still stuck on the blue screen.
I tried zapping the pram. Still couldn't get past the blue screen.
I was not able to start up in safe mode (is the timing critical for when to hold down the shift key?)
I started up in single user mode and attempted to move the preference files as described here:
http://docs.info.apple.com/article.html?artnum=106464#symp1
but got an error that I did not have the correct permissions. I assume that is because I was trying to save the preference1.old (and preference2.old, etc) files to the root part of my hard drive.
Any suggestions? Does it make sense that upgrading the firmware on a bluetooth keyboard could take down the whole computer???

Disconnect all peripherals from your computer.
Boot from your install disc & run Repair Disk from the utility menu. To use the Install Mac OS X disc, insert the disc, and restart your computer while holding down the C key as it starts up.
Select your language.
Once on the desktop, select Utility in the menu bar.
Select Disk Utility.
Select the disk or volume in the list of disks and volumes, and then click First Aid.
Click Repair Disk.
Restart your computer when done.
Repair permissions after you reach the desktop-http://support.apple.com/kb/HT2963 and restart your computer.

My mac pro only shows a blue screen during startup? how do i get out of this to the desktop?

Cannot access the desktop, only the Apple sign and pinwheel icon come on, after a couple minutes it goes to blue screen only. Have held shift during bootup to start in safemode, but this doesnt even allow you to choose safe mode. Please help.

Try holding option+Apple Command + s keys to get into single user mode. May be a little unnerving as it will get you to text based screen. Grab a pencil and paper and copy the commands that are listed also pay attention to the spaces.
/sbin/fsck -fy <return>
If the it says File System Modified hit the up arrow key it will repeat the line you typed. Hit return.
If it DOES NOT say modified then type in the second line.
/sbin/mount -uw /<return>
At the prompt type reboot<return>
Let us know if it helps.
Ciao,
Lou Cioccio

IBook G4 Freezes at Blue Screen During Startup.

iBook G4 933 MHz
Mac OS X 10.4. Tiger
640MB RAM
40GB internal ATA hard drive
Computer boots but then quickly locks up.
If I immediately restart, then the iBook hangs at the blue screen before the Mac OS X progress screen appears.
If I remove the battery and unplug the power cord then allow the computer to sit for at least 30 minutes, able to fully boot, but then the machine quickly freezes up.
I assume the problem is heat related?
I have so far:
- Totally disassembled/reassembled
- Reset PRAM
- Reset NVRAM
- Reset PMU
- Unable to do target disk mode
- iBook freezes same way when booting to Mac OS X install DVD
Able to boot to shell command line mode no problem.
FSCK reports no issues with the HDD.
Sometimes during startup a fan turns on briefly, but not every attempt to boot.
Yes-- I know about the 'solder' issues with iBook G4 logic boards, but I do not think the above is related. The VGA works fine.
Thanks for any assistance that can be rendered.

After a month, I have been notified by Superior Reball that the logic board has been repaired. I promptly made payment of $35 and the board was shipped back to me on June 17 via USPS Priority Mail Delivery Confirmation. I have received the tracking number and anticipate receiving the package by June 20.
In my situation, well worth the wait for only $35.
Even though I chose to totally disassemble the iBook, Superior will do the disassemble/reassemble for $75.
I would not have done it by shipping the entire iBook, though. With the higher shipping cost, insurance, having to send out the hard drive with no back up, the higher repair cost, etc.-- in the end a prohibitive expense. I could probably buy a used iBook G4 for no more than $200, to put things in perspective.
In summary, Superior Reball had a great price, good enough communication (they answer the phone, but not e-mail) and it looks like fast return shipping. It took a lot longer than the ad states, so I am applying the old 'price, speed, quality-- choose any two' rule here.

X60 Blue Screening during Startup

Hi,
My X60 currently goes to the blue screen every time it gets into the Windows loading screen. I can't run safe mode, last known configuration, etc. without it blue screening either. I've run the built in Thinkpad diagnostic software and nothing fails. I've been told this may be a hard drive issue, but would appreciate any other advice.
Thanks

This just happened to me. Are you running Svc Pack 3? If so you'll have to restore to factory install - load up in safe mode to save your personal files then reimage.
Annoying, but went smoothly for me

Why am I getting a blue screen during windows support software installation?

After intalling windows 7 x64 (using boot camp 5.1), when I come to install windows support software to set up apple drivers for windows to run on my MacBook pro (late 2013), after installing a good number of drivers, I get suddenly a blue screen!....
What can I do, once windows is not strting up? It started well, but wth no proper drivers. Thanks.

I guess the first thing I would do would be to boot up using the original installation DVD and correct the permissions. That may not be the problem at all, it could be an incomplete upgrade install but at least you would know it isn't a permissions problem. I'd also run or verify the hard disk using this method.
How is it done? Turn machine on. Insert DVD 1 of the Install Disks, restart the machine, hold down the Command and the C keys (that tells the machine to look to the Rom drive and boot from it). Once it is up (will take a long minute or so...) go up to the top left where the install menu buttons are listed, look for the disk utility and run it. Tell it to verify and repair the disk and repair the permissions. Once done, quit the Disk Utility and select the restart option. Wait to see if your original desktop comes back.
If not, then you'll need to either "back out" the upgrade you installed or install your backup. If you don't have a backup you'll probably have to re-install OS X all over again (and probably lose all your previous data, apps, etc.). Let's hope it clears up first before you have to re-install.
Lisa

IMac Freezes on blue screen during startup after installing itunes 9.2

I let iTunes update to 9.2 today on my 27" iMac quad and when it restarted itself it froze on startup at the blue screen. The blue screen switches between two different shades but never exits that loop. I CAN boot in safe mode (which is what i'm doing right now).
Thus far i've tried:
- reinstalling itunes
- resetting my pram
- uninstalling itunes
- removing itunes startup app
I still cannot boot normally. Help!

You might try booting from your install CD and running disk repair in Disk Utility.

Videos stopped playing... I get a black screen then plays for a few seconds and freezes. Have downloaded the latest Adobe flash player and it did not help.

Videos stopped playing correctly. Now I get a black screen, then a few seconds of video and it freezes. I downloaded the latest Adobe Flash player
and it did not change anything. Thanks for your help. CP

One of the following steps should help.
1. System Preferences > Other/ Flash Player > Advanced > Delete All
     Press the "Delete All" button
     Install Adobe Flash Player.
    http://get.adobe.com/flashplayer/
    Quit Safari.
    Restart computer. Relaunch Safari.
2. Enable Plug-ins
    Safari > Preferences > Security
    Web Content: > "Enable Plug-ins".
       or
    Internet Plug-ins > "Allow all other plug-ins
3. Check whether you are currently in YouTube HTML 5 trial.
     http://www.youtube.com/html5
    At the bottom left of the page uncheck the box beside
   "You are currently in the HTML5 trial".
4. Reset Safari.
    Click Safari in the menu bar.
    From the drop down select "Reset Safari".
    Uncheck the boxes beside all items.
    Check the box beside "Remove all website data".
    Click "Reset".
5. Turn off Extensions, if any.
    Safari > Preferences > Extensions
     Now try YouTube.
Best.

OSX 10.5.8- Stuck at blue screen during startup

After the Apple logo appears the screen goes to blue and stays there. I am also running BootCamp and can access Windows with out any problem, but I cannot get to the login screen for OSX. I have already reset my PRAM, reset my SMC, removed all ApplicationEnhancement files (I actually didn't have any), and started up in Target Mode from another computer and done a disc repair. I can access all files in Target mode without a problem. I have not archived and tried re-installing Leopard, I'd like to try and avoid this. I am also using a third party internal hard drive, but only for storage, this is not my startup disc. Does anyone know any way I can fix this?

Start with http://support.apple.com/kb/TS1545

Grey, red, green, blue screen during startup

Hi,
today my macbook 13" unibody was working well. Then I put it in sleep mode and after it woke up I got grey, red, green, blue, vertical stripes, horizontal stripes screen. I tried to reboot my macbook and always the red, green, blue loop. I tried a cmdoption+pr boot with no results. I then tried to remove the battery and push the start button for 5 sec. but no results again.
I've tried to boot with the C button and the installation disk but I got always the red green blue loop.
What else can I do to solve the problem?

We are experiencing the same issue on a Macbook A1278 13.3" Aluminum Notebook. Has anyone found a solution to this issue? Thank you.

Blue screen at startup---have tried EVERYTHING!!! Any ideas???

Hi there, I've got a really frustrating problem concering my husband's iBook G4. One day he got home from work, tried to start up, and got only a blue screen (no cursor.) (This is shortly after updating to 10.4.11, incidentally...coincidence?) We went to the forums, and tried numerous fixes, including:
Booting from install and running disk repair (none needed)
Booting in target disk mode with my mac and removing the login.plist file
Removing all login items from both user accounts in target mode
Attempting a boot (and eventual restore) from the external firewire backup, but it won't get past the blue screen here, either.
It started up in safe mode a couple of times, and even restarted in normal mode once, but then in primary account froze back up after a few minutes. Then it wouldn't even start in safe mode.
Then we did an Archive & Install from the original startup (Panther) but when it got to the login screen, it wouldn't accept either user password (even though the hint indicated we were using the right ones) and then froze. It now won't even boot from this disk, or start up in safe mode.
Everything seems to be intact while perusing it in target disk mode; even ran a hardware test from the Apple Hardware Test disc and that all checked out (no idea if this would have made any difference, but I'm grasping at straws, here!)
I know we did a couple more things suggested in the forums/support pages, but I can't remember what they are at this point...my brain is fried! (Also remember following Apple's instruction's for what to do when you get a blue screen at startup...tried this first thing to no avail.)
Soooooo...any suggestions or ideas? We would greatly appreciate the help!
Thanks so much!
Jennifer

Hi Jennifer,
Ok, so...what's going on today is that Leopard will open to the login screen (sometimes I can log in but generally not), but then the cursor is frozen, as is the keyboard (can't type to login or use shortcuts) and even a usb mouse doesn't work. The only thing I can do is power down with the off button, and upon restarting, if I get past the login, get the message "Computer was restarted after Mac OSX quit unexpectedly" or something like that. (Just restarted from frozen login screen and got blue screen again.)
Wondering if it's Leopard or my wonky install (we started up in target mode, with the install disc in the drive, and opened the installer on my mac, then chose the broken mac hd to install to. Seemed to work, but may this be related to the driver issue you mentioned?) We did it this way (after doing a zero-out erase) because it wouldn't even start up from the install disc itself.
It sounds to me like this method of installing is okay. If you did not have the correct drivers, you could never get as far as you do in Leopard. I am wondering why you install with the disk in your Mac and not in the iBook.
Anyway, have reset the PRAM, still no luck. On the apple page regarding this procedure they mention a power management unit reset for ibooks...would this correspond at all to our problems? Is it something I should try or steer clear of?
Okay. Resetting PRAM was a long shot, but worth trying. I would steer clear of trying to reset PMU. That is related to sleeping, waking and such things and your problems do not seem to be related to that. Also, I have never reset PMU, but from what I recall, it sounded a bit tricky.
Am now attempting to reboot from backup. And yes, when I open Startup Manager, the internal hard drive DOES show up. If that means anything. Have a bootable backup (created with SuperDuper) which also shows up, but when I try to start up with it, I get stuck at blue screen (still.)
As far as the iBook hard drive is concerned, this is a good sign. I am thinking that perhaps the hard drive is okay and the problem is something else.
So, since the iBook originally came with Panther, and Leopard is really yet another unknown to throw into the loop, if I do another erase/install, I'm thinking Panther is the way to go? (Unfortunately we shared a family pack Tiger with a friend, and haven't got a hold of that install disc yet, otherwise I'd try Tiger, since it's what it was running and so is what the backup is, too.)
From what I have seen in the forums, when people are having startup problems, the last resort solution usually works. That is, they take the install disk that came with the machine (Panther in your case), erase and zero out the hard drive and then re-install. That usually seems to do the trick. What they have probably done is either replaced some corrupted piece of software or fixed a directory problem on the disk. In your case, you have already done most of this except not with the Panther disk. So, I think it is worth going through this effort with Panther. If this actually worked, then you could worry about how to update your software to where you want it to be. If it does not work, I would consider this more evidence that there is probably a hardware issue.
If this doesn't work (and would probably have to try in target mode again if the install disc won't open...) should I buy Tech Tool or Disk Warrior or just send it in for repair? I suppose there's a point at which I'll have to admit defeat!
Not sure that I caught this before. You imply that the install disk will not open if it is inserted into the iBook. Is this a problem that showed up when the blue screen business started? When you insert the disk into the iBook and then reboot that computer from the disk (pressing the C key during startup), do you get something on the desktop?
If, when repairing the hard drive with Disk Utility, you had received a message that the disk was not repaired, then a stronger utility would be a reasonable choice. But, that does not seem to be your situation. So, if it were me, I would probably not buy Tech Tool or Disk Warrior at this point. I do think that it is possible that these utilities might be able to do more troubleshooting than you can do with Disk Utility and the Apple hardware CD. Tech Tool in particular has some hardware testing capability. So, if money were no object, you might buy that and see if it can give you more detailed diagnostic information. Of course, these are purely my opinions. I could be totally wrong on any of this.
Oh yeah, I don't know if I mentioned this earlier or not but all the restarts yesterday were accompanied be a brief "whooshing" sound (like a fan) for a second or so, and once I got both that sound and a "boooooop" issuing from the innards. Not sure if this means anything or not, but thought I'd mention it. Maybe the hard drive is melting! (Also I get further along the startup route after it's been turned off for a while.)
This is worth mentioning and I overlooked it in your previous posts. The "booooooop" sound got my attention. When the computer is started up, one of the first things that is done is that there are some hardware tests performed. Apple does use some sounds to indicate certain problems. You can learn a little more at You hear "breaking glass" or "musical beeps" when you turn on your Mac. I don't know if you are hearing one of these sounds or if they are unrelated. But, I think that the "boooooop" sound in particular might be trying to tell you something.
Let me sum up my opinions (which could be dead wrong). I still suspect a hardware problem. However, maybe the hard drive is okay. I think it would be worth using the Panther CD to do another erase and install on the iBook. If you still do not have a working computer, it is probably time to seek professional help. (However, if you get to this point, it is conceivable that you could be having some problems with your RAM chips. If you have worked with RAM chips before, you could try to play games with them: reseating them and removing them one by one- if you have two chips. But, if you have not done this before and are do not have some familiarity with working on hardware of this nature, perhaps you should just leave this alone.)
If you need to seek some professional help, you might be able to try one of these options - If you have AppleCare, you should definitely give them a call. If you live close enough to an Apple store, you could take your computer to the genius bar and see if they can help.
Sorry that you are having such a hassle,
Rich

IMac G5 running OS 10.4.11. Started playing with a bluetooth speaker (may or may not be related). Now I cannot get past the blue screen on startup. I can get into safe mode. Tried install disc for disc utility and reloaded OS. Still get blue screen.

I have an older iMac G5 running OS 10.4.11. The other day I started playing with a bluetooth speaker (may or may not be related). Now I cannot get past the blue screen on startup.
I can get into safe mode. But no regular startup.
I tried disabling bluetooth, thinking that might be related. It didn't help.
I even tried using the install disc to run disc utility. That didn't work so I reloaded the OS.
But I still get hung on the blue screen when trying a normal startup.
All help would be appreciated.

Try resetting the PMU/SMU and PRAM/NVRAM. You'd need to identify the mode of resetting depending on the model of your G5 iMac. The Apple support sites that would help you for this are –
http://support.apple.com/kb/HT1436
http://support.apple.com/kb/HT1939
http://support.apple.com/kb/HT1767
http://support.apple.com/kb/HT1379
I hope this solves your problem.

I have an iMac from 2008. When I start I get gray screen with apple and turning gear. Next blue screen. Then light blue screen with turning gear. Back to blue screen. Now just back and forth blue to light blur

I have an iMac from 2008. When I start I get gray screen with apple and turning gear. Next blue screen. Then light blue screen with turning gear. Back to blue screen. Now just back and forth blue to light blur

Reinstall OS X:
Reinstall OS X without erasing the drive
Do the following:
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install the Combo Updater for the version you prefer from support.apple.com/downloads/.
Reinstalling Lion Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion: Select Reinstall Lion and click on the Continue button.
Note: You can also re-download the Lion installer by opening the App Store application. Hold down the OPTION key and click on the Purchases icon in the toolbar. You should now see an active Install button to the right of your Lion purchase entry. There are situations in which this will not work. For example, if you are already booted into the Lion you originally purchased with your Apple ID or if an instance of the Lion installer is located anywhere on your computer.

Getting light blue screen during startup for 3-5 Seconds

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