Macbook Stuck at Blue Startup Screen

I have a plain macbook, a little over a year old. It was running slow, so I restarted the laptop. When it restarted, the computer froze at the blue startup screen. On another forum, I read that Repairing the disk permission would help, I did that using the disk that came with the laptop, but I'm not sure what to do after that has been completed, I tried restarted once more, and the same problem occured, and I don't want to re-install snow leopard. Also I can't get the disk to eject either. Does anyone know how I could fix this problem?

Five ways to eject a stuck CD or DVD from the optical drive
Ejecting the stuck disc can usually be done in one of the following ways:
1. Restart the computer and after the chime press and hold down the left mouse button until the disc ejects.
2. Press the Eject button on your keyboard.
3. Click on the Eject button in the menubar.
4. Press COMMAND-E.
5. If none of the above work try this: Open the Terminal application in your Utilities folder. At the prompt enter or paste the following:
/usr/bin/drutil eject
If this fails then try this:
Boot the computer into Single-user Mode. At the prompt enter the same command as used above. To restart the computer enter "reboot" at the prompt without quotes.
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/.

Similar Messages

Macbook stuck on white startup screen

Good Afternoon,
Yesterday evening I was running Pages, suddenly everything went stuck and I had the "rainbow wheel". It was an important file so I just wanted to wait untill it was fixed again. Waiting for 1 hour without any solution, then I decided to force my macbook out(held the power button for 5 seconds).
It felt like my macbook was overheat so I waited for a few hours to turn it back on. When I actually turned it on, you heard the noice "bzztbzzt, tuduuum" but then nothing happens, only the white screen shows up, Ive waited for hours and hours to see if anything would happen, I've googled the problem and i've tried (i guess) all the combinations with starting up. It still stucks on the white screen.
I've decided to run the battery empty and waited all night, when I woke up this morning I tried to turn it on again, nothing happend, just the white screen.
Im desperate and YES I know there are more topic about this, but couldn't find the answer!
Also my macbook is not just "silence" at the white screen, sometimes the processor is working hard, also the macbook is getting extremely warm.
One more note, This happend to me before, but then 2 hours later it was fixed, so I hoped that would work this time again, but unfortunatley.
All idea's are welcome and ill try them!
Greetings,
Rinke

Mac OS X: Gray screen appears during startup - Apple Support
Intel-based Mac: Startup sequence and error codes, symbols - Apple Support
I think you'd better off making Genius Bar appointment and show them your problem.

Macbook stuck at the startup screen

Yesterday I was prompted to install updates on my macbook. After the updates were installed I was told to restart the computer. Once it restarted, it was stuck on the grey startup screen. I let it sit for hours because I thought it was loading. It never went past that screen so I shut it off. This morning I turned it back on and it is stuck at the same screen. What is wrong? and what should I do?

Hi Justin,
Welcome to Apple Discussions.
Insert the first of the two disks that came with your Mac. Restart the computer while holding down the C key. This will boot off the DVD. When it's booted, choose "Disk Utility" from the menubar at the top of the screen. Select your hard disk in the left pane of the window and click the Repair button.
After the repair process is complete, reboot the Mac normally and see if it starts up off your hard disk. If not, try booting in safe mode. To do so, hold down the Shift key as you turn the computer on and continue holding it until you see the spinning gear below the Apple logo. If the computer boots in safe mode, restart and see if it then boots normally.

Why does my macbook pro gets stuck in the startup screen?? its the older versiom

its like stuck in the startup screen. i tried a few times and even took out the battery twice. please help!! i have some important document stored inside i cannot retrieve now!!!!
i think the operating system is like 10.7.something

You might have a failing hard drive. If you're running 10.7.x, try booting into your Recovery partition - holding down the Command and R keys whilst booting. Once at the installatio screen, use Disk Utility to verify and, if needed, repair your hard drive. If it can be repaired, you should be good to go - if it can't be repaired then you're going to need to go shopping for a new drive.
Clinton

Lenovo ThinkPad R500 gets stuck on the startup screen

Hello!
I searched for a solution but couldn't find one.
In my company we only use Thinkpads and I got an R500 wich was replaced by a newer model.
It was working (I saw it), the admin told me he would delete the bios-password. He opened BIOS->Security (did see wich password he changed) closed it and gave it to me.
Now on startup it is stuck on the startup screen saying "To interrupt normal startup, press blue ThinkVantage button", and no button does anything. I removed CMOS-Battery but still the same.
Any help appreciated
Best regard
Proton

Check USB port whether it is broken or pin is touching each other.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

HT3964 My iMac gets stuck on blue loading screen after it starts up.. Reset smc and pram?

My 2009 iMac on OS X leapard will start up but gets stuck on the blue loading screen. Ive been instructed to reset the smc and pram but can't figure it out nor find it online in a simple way. Can someone please assist? Again: it fires up but gets stuck on blue loading screen..Thank you!

Reset SMC:
Shut down the computer.
Unplug the computer's power cord.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer.
Reset PRAM:
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

My macbook pro went from startup screen to grey vertical stripes

my macbook pro went from startup screen to grey vertical stripes with a bit of flashing. Force quit twice and it is still doing it. Had a bit of problem last time I started it with flashing screen, but it settled. After leaving it on screen went black (as usual) and on waking had desktop up but continued to flash. Any suggestions?

Hi there Lochside,
You may find the troubleshooting steps in the article below helpful.
Apple computers: Troubleshooting issues with video on internal or external displayshttp://support.apple.com/kb/ht1573
-Griff W.

T400 is Stuck on Thinkpad Startup Screen

Had the laptop for 11 months no issues, I woke up to find the computer stuck on the startup screen. Tried rebooting, took out the battery, tried it pluged in, unpluged and it keeps stopping at the startup screen. Any suggestions?
Solved!
Go to Solution.

Hello mate,
Unplug the AC adapter and take out the battery.
Then, you push the power button 10 times in a row at one second intervals.
Next, you push and hold the power button for 30 seconds.
Then you put the battery back in and push the power button to turn on the computer.
See if it works.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information on it.
ThinkPad T510 4313-CTO Windows 8 x64 - Intel Core i7-620M - NVIDIA NVS 3100M - 8GB RAM - 240GB SSD- Intel Centrino Ultimate-N 6300 - Gobi 2000.
ThinkPad Helix 3697-CTO Windows 8.1 x64 - Intel Core i7-3667U - Intel HD Graphics 4000 - 8GB RAM- 256GB SSD - Intel Centrino Advanced-N 6205 - Ericsson C5621gw

My iPod is stuck on the startup screen, showing just the apple logo. Has anyone had this problem before? If yes, then how did you solve it?

My iPod is stuck on the startup screen, showing just the apple logo. Has anyone had this problem before? If yes, then how did you solve it?

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

My macbook pro just gets stuck at grey startup screen

my macbook pro just gets stuck at grey startup screen

Reinstall OS X:
Reinstall Snow Leopard 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/.
OR:
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.

Macbook pro stuck at gray startup screen w/ apple and spinning dial

Hi, every time I try to start my computer, it gets stuck at the gray screen w/ the apple logo and the dial just keeps spinning and spinning like it is loading or something, but nothing changes and I've waited for an hour. What should I do?

First,
Repairing the Hard Drive and Permissions
Boot from your OS X 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 Installer menu (Utilities menu for Tiger and Leopard.) 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. Now shutdown the computer for a couple of minutes and then restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger, and 4.1 for Leopard) and/or TechTool Pro (4.6.1 for Leopard) 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.
If this doesn't help (and it probably will not) then quit DU and return to the installer. Proceed with the OS X installation until you reach the screen where you select a destination drive. Select your hard drive then click on the Options button. Select the Erase and Install option then click on the OK button. Finish installing OS X.

IMac g5 is stuck at white startup screen with apple logo & spinning circle

Hello,
i had a digital copy of os x leopard and i was trying to reinstall it, so i would double click on install mac os x, and it would tell me to restart, i would do this but nothing happened so i had to mount the disk again and double click install mac os x, and it told me to restart again. so i looked up how to install leopard from a dmg file, and it said to restore the dmg to the drive, so i went into disk utility and i put the source as the dmg, and the destination i dragged the imac hdd icon. it finished and i was gonna select the leopard file as my startup disk in system preferences, but that wouldnt run. i then noticed some of the letters were missing on the name of the icons in the dock, so i just restarted the computer, but it got stuck on the white screen. i tried lots of stuff like turning on while holding shift, but it didnt do anything, and i tried with cmd+s and that gave me some black command prompt where i typed/sbin/fsck -fy and that did some stuff and it said my drive was okay, but it still wont start up. What do i do?!?!

im trying tiger right now, first i wanna reinstall tiger, than leopard next, you know, one problem at a time. i dunno maybe, heres the readme:
Read Before You Install
Mac OS X
Read this document before you install Mac OS X. It includes information about
supported computers, system requirements, and installing Mac OS X.
For more information about Mac OS X, visit this website:
• www.apple.com/macosx/
For the latest information about using Mac OS X, connect to the Internet and open Mac
Help. To open Mac Help, click the Help menu in the Finder and choose Mac Help.
For information about the support available for this product, see the AppleCare
Software Services and Support Guide included with Mac OS X.
System requirements
You must have a Macintosh computer with:
• a PowerPC G3, G4, or G5 processor
• a DVD drive
• built-in FireWire
• at least 256 MB of RAM
• a built-in display or a display connected to an Apple-supplied video card supported
by your computer
• at least 3 GB of disk space available, or 4 GB if you install the developer tools
If you see a message in the Installer that you do not have enough disk space to install
Mac OS X, you can deselect items to save space. To deselect items, click Custom Install
in the Easy Install panel.
Updating your computer’s firmware
You may need to update your computer’s firmware. It’s best to update the firmware
before installing Mac OS X. If you haven’t started the Mac OS X Installer, check the
Apple Software Updates website to see if there are any firmware updates for your
computer:
• www.apple.com/support/downloads/
If you don’t do this, you may see a message that you need to update your computer’s
firmware when you start the Installer. To update the firmware, you will need to quit the
Installer and restart your computer using your current startup disk, then check the
Software Updates website.
If you have problems with your computer after installing this version of Mac OS X, you
might need to update the firmware even though you did not see a message when you
installed the software. Check the Software Updates website for recent firmware updates
for your computer.
Starting installation
To start installing Mac OS X, insert the Mac OS X Install DVD and double-click the
Install Mac OS X icon:
You can also start installing Mac OS X by inserting the Install DVD and restarting your
computer while holding down the C key, or by selecting the Install DVD as your startup
disk using Startup Disk preferences.
Quitting the Installer
If you need to quit the Installer before you click Install in the Easy Install or Custom
Install pane, choose Quit Installer from the Installer application menu, then click
Startup Disk to select a startup disk for your computer.
If you have already clicked Install, wait until installation finishes.
Advice about hardware compatibility
Installing on a Power Macintosh G3 (Blue and White)
If you have a Power Macintosh G3 (Blue and White) that came with an Apple SCSI hard
disk, do not choose UNIX File System (UFS) as the format for the destination disk.
Installing on a computer with a third-party SCSI card
If you have a third-party SCSI card installed in your computer and you cannot start up
Mac OS X, attach a disk drive or terminator to one of the card’s ports. If you continue
to have problems, try removing the card. Contact the manufacturer of the card for
more information about using the card with Mac OS X.
Installing on a computer with a third-party video card
If you have a third-party video card installed in your computer, you may need to
remove it before you install Mac OS X. Contact the manufacturer of the card for more
information about using the card with Mac OS X.
Advice about installing Mac OS X
Erasing and formatting your disk
When you install Mac OS X, you can erase the destination disk you select. In the “Select
a Destination” pane of the Installer, click the Options button. Select Erase and Install
then choose a format. In most cases, choose Mac OS Extended (Journaled).
Important Do not choose UNIX File System (UFS) unless you need to work with this
format. If you choose UFS, Mac OS 9 and all Mac OS 9 applications must be installed on
a Mac OS Extended format disk to use them with the Classic environment.
To install Mac OS X on the same disk or disk partition as Mac OS 9, the disk must be in
Mac OS Extended format. If it isn’t, quit the Installer and back up your files, then
reformat the disk.
You can also partition your hard disk into several volumes before you install Mac OS X.
In the Installer, choose Utilities > Open Disk Utility and click Partition. Partitioning the
disk erases the entire disk, so be sure to back up your files first.
Installing optional software
Easy Install installs all the software you need to use Mac OS X, but does not install
some additional software. If you want to install this optional software or you don’t
want to install all the software installed using Easy Install, click Custom Install and
select the items you want to install. If you want to install this optional software later,
insert the Mac OS X Install DVD and double-click Optional Installs.
Locating the Installer log
When you install Mac OS X, the Installer saves a log of the installation. To see the log,
open Console (in /Applications/Utilities), click Logs, then click the triangle next to /
var/log and select install.log.
Reinstalling Mac OS X
To reinstall Mac OS X, insert the Mac OS X Install DVD and double-click the Install
Mac OS X icon, then follow the onscreen instructions. When you see the “Select a
Destination” pane, click Options to select how to install Mac OS X:
• Select “Archive and Install” to save your existing system files, user accounts and
their home folders, and existing network settings. The Installer saves files in a
folder named Previous System so that you can copy them to an appropriate location
later. You cannot start up your computer using the Previous System folder.
• Select “Erase and Install” to erase the destination volume and install a new copy of
Mac OS X. If you select this option, you will lose all your files and the software you
have installed on the destination volume, so you may want to back it up first. If you
select this option, you can choose the format for the volume. In most cases, choose
Mac OS Extended (Journaled) from the pop-up menu.
Setting up and connecting to the Internet
If you have an existing Internet service provider (ISP) and you’re installing Mac OS X for
the first time, you need to enter your Internet connection information when installation
finishes. Be sure to have the information available. If you have problems connecting to
the Internet, contact your ISP to make sure you have the correct information.
Advice about using Mac OS X
If you have problems starting up
If you cannot start up your computer, insert the Mac OS X Install DVD and restart your
computer while holding down the C key. Choose, Choose > Open Disk Utility, then
click First Aid to repair your disk.
If you have problems starting up your computer and you have devices connected to
your computer such as FireWire drives, USB printers, or external displays, try
disconnecting them before starting up again.
Upgrading your applications and other software
For best results with Mac OS X, look for versions of your applications that are built for
Mac OS X. Check the Mac OS X website for information about available applications:
• www.apple.com/macosx/
If you cannot find Mac OS X versions, upgrade to the latest Mac OS 9 version to use
with the Mac OS X Classic environment. Check with the manufacturers for the latest
updates.
Using POP email accounts and On My Mac mailboxes in Tiger and Panther
If you have a shared home folder and you access a POP email account using Mail in
both Mac OS X Panther and Mac OS X Tiger, you will not see messages that you retrieve
in one version when you switch to the other.
As an alternative, you can deselect the option to remove copies from the server after
retrieving your messages. To change this option, open the Accounts pane of Mail
preferences and click Advanced.
You will not see messages saved in a mailbox on your computer when you switch from
one version to another. To avoid this problem, use separate home folders for each
version of Mac OS X.
Your IMAP account will synchronize automatically when you switch between Mail in
Tiger and Panther.
© 2005 Apple Computer, Inc. All rights reserved. Apple, the Apple logo, FireWire, Macintosh, Mac OS, and
Power Macintosh are trademarks of Apple Computer, Inc., registered in the U.S. and other countries.
PowerPC is a trademark of International Business Corporation, used under license therefrom.
it says that a imac g5 can work

Stuck on gray startup screen!

This morning my Macbook was running fine. I left it alone for 15 minutes and when I came back, it was running EXTREMELY slow and I couldn't get it to shutdown. So I did a hard shutdown (is that what it's called?) and I had to go to class thinking that maybe if I just left it alone for a few hours, I could turn it back on and everything would be fine. When I got back, I pressed the power button, heard the startup noise and got to the gray screen. And it stayed there.
I let it sit for about 10 minutes hoping that it was just running really slowly and it still did nothing. So I tried it again and the same thing happened. I even tried it a third time and still no luck. I have taken GREAT care of it and I've never had a problem with it whatsoever! The only thing I have done the past few days was installed iTunes 8. I am a little upset because this is my first Mac and I have had it 13 months now (Which means it is out of warranty because I didn't extend my Applecare) I have not been able to try and restart it with the installer disk because it's at home. Does anybody know what could be wrong?

The exact same thing happened to me but I may be able to add some more details to the process.
First, I also installed the itunes upgrade. Turned on the computer, started up itunes and left it running.
Then when I came back, the finder section of the desktop (apple icon and menus) was not there. First I tried to run the hardware check up (hold D while computer starts up) and it showed me no problems. So then I tried to reboot it and run the diskutility applications to see if it could identify the problem. The first time I ran the program, i got "Underlying Task Reported Failure on Exit".
So I rebooted the computer and tried to get to the desktop again, only it didn't show the desktop anymore. It just got stuck on the gray screen with the apple and the spinning graphic. My apple CD is also stuck in the drive and I am also getting a bit desperate.
Sadly, I can honestly say that it is not a hardware problem. This is a Mac Software problem that is in their hands to fix. I have a lot of information in that computer that I cannot afford to lose and I no longer have applecare, so fixing it through the appple store is going to be pretty expensive considering that it is just a software issue.
Please, if you have any more suggestions, please let me know.

Stuck at grey startup screen with spinning grey wheel

Software update wanted to install a new version of airport. Clicked ok and appeared to install. Restart then yielded grey startup screen and spinning wheel and it stays stuck there. Original MacBook Pro with 2Ghz Core Duo. Any ideas?

Hi, I have an i Mac but was having the same problem last week - getting stuck at the start up screen. I had no idea what to do but started a discussion and someone suggested the repair utility and it also told me everything was fine. Then she told me to do an Archive and Install and in the end that got everything working again. I don't know much about computers so I don't know if this will work for you, too, but it might be worth a shot. Here's the link to the discussion if you want to read everythign she told me: http://discussions.apple.com/thread.jspa?threadID=1457827&tstart=0

MacBook Pro frozen on startup screen with progress bar and then it turns off

Hello, I have a MacBook Pro 15" of early 2012 with a i5 Intel, 4GB of RAM and a 500 GB HD.
I was installing the new suit of Adobe, when suddenly my Mac got frozen, vertical coloured lines appeared and the image on screen went distorted. I had to reboot the Mac by holding the power button until the screen turned off and when I turned it on, the lines appeared again and it itself automatically rebooted. Then the screen (now with no vertical lines) got frozen on the startup grey screen with the apple logo and the spinning wheel for hours with no response.
I tried to follow the steps of the official mac forums like verifying the HD with CMD+R and then Disk Utility, it says everything's fine; the same happens with CMD+S, no errors. I reinstalled Mavericks with the same CMD+R. I already reset the PRAM, SMC and performed a Safe Boot staring up in Single user mode and Verbose Mode and nothing, the same startup screen. I made too thins thing of holding shift until the progress bar appeared. Three days later (Today) I repeated the steps again and finally the verbose mode. Now, when I turn it on, the startup screen appears again (Apple Log and spinning wheel) with a progress bar. When it completes, the Mac turn itself off.
if you can help me, please. I don't know what else to do. The last thing is technical service.

Hi again ggt15,
You can find some more information about the Recovery Partition of your hard drive here:
OS X: About OS X Recovery
http://support.apple.com/kb/HT4718
It sounds like you might be trying to reinstall your copy of the operating system. If that's the case, you may also find some helpful information here:
OS X Lion: Reinstall Mac OS X
http://support.apple.com/kb/PH3878
Thank you for using the Apple Support Community. Due to the nature of your issue or question you may find more information by using another one of Apple's support resources - https://expresslane.apple.com/GetproductgroupList.action.
Cheers,
Braden

Macbook Stuck at Blue Startup Screen

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