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Startup- won't show desktop.

The computer starts with the gray screen and apple, after it spins for a while there, turns to a blue screen spins for a period of time. Then a white cursor shows in the top left corner and then disappears. Nothing more happens beyond this point.

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  • 61 Answers

Check out this apple support article: Leopard Blue Screen of Death!

Posted on Aug 04, 2009

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When i start up my imac screen goes white with apple logo ang loading wheel then after that a blue screen,then just stays on blue screen


Thanks for asking your question with Fixya Support. I will be glad to assist you.

What I would recommend is that you try to acquire a USB keyboard, for this issue, because it will open the way for many troubleshooting options for such an issue like this.

If you can get temporary use of a USB keyboard, you can try any of these options:

Option 1:

Here are some steps you can try to resolve the issue:

• First, hold in your power button for approximately 10 seconds to do a hard shutdown, if it is not already shutdown (turned off)

•You will need to perform what is called a PRAM reset (Parameter RAM)

• Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously .

• Turn on the computer.
• Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.

• Now, hold the keys down until the computer restarts and you hear the start-up sound for the second time.

• Release the keys and allow your iMac to start up.

If that does not work and you still reach a blue screen when you reboot, try this option:

Option II

Here is a simple procedure that I recommend you try:

-SMC RESET-
The System Management Controller is an integrated circuit (computer chip) that is usually on the logic board of your Mac computer.

It is responsible for power management of the computer. It controls backlighting, hard disk spin down, sleep and wake, some charging aspects, and some input/output as it relates to the computer sleeping.

• Shut down the computer.
• Unplug the computer's power cord.
• Press and hold the power button for 20 seconds.
• Release the power button.
• Attach the computers power cable.
• Press the power button to turn on the computer

If you still reach a blue screen, now you will need to go to this alternative process:

Option III


Try taking your Mac into Safe Mode in order to remove a possible folder(s) which may be affecting your Mac's start up function.

Try these steps:


-SAFE BOOT MODE-
• Reboot your Mac
• Upon restarting your Mac, press the Shift key.
• Hold the Shift key until you see a White Screen with Gray Apple icon and eventually a spinning gear.
• When you see the Spinning gear, release the Shift key.
• Allow the Mac to continue booting up. Also this may take a little while
(NOTE: this may take anywhere from 5 to 15 minutes to load to the Safe mode screen depending on the performance of your Mac, but if it exceeds this time, shutdown your Mac and try just once more. It may have just frozen up the first time around for you.)
• You are going to enter the Safe Mode (which looks like your main desktop enviroment the only difference is certain startup items are disabled.)

• Once within the Desktop in Safe Mode
• From the Finder Menu, click Go> Go to Folder
• Type in this line: /System/Library/StartupItems
• This path, is going to take you to the System Library folder which has all of your Mac OS X Startupitems.
• Remove all of those folders to the Trash.

*Reboot your iMac normally and see if you can access your normal User desktop environment.

One of these three options should help return you back to your main desktop.

If it does not, please let me know.

Thanks!


-The MacTechTrainer

Sep 10, 2012 | Apple 24" iMac Desktop

1 Answer

My laptop is on but the screen is blue and won't go to the desktop


A Mac that shows you a blank blue screen instead of logging you in may be afflicted by a malfunctioning startup item. Most people have a number of programs that start up whenever you log into your computer, and it's likely that one of these programs is causing issues. The startup item is unable to load, and so it causes the rest of the computer to hang.
In order to get your Mac past this hanging blue screen, you need to boot into safe mode and figure out which startup item is causing problems. The Apple Support article "I see a blank blue screen when I try to start up my computer" tells you exactly how to go about this procedure. Basically, you must remove all your startup items and add them back in one-by-one, rebooting each time until you find the one that causes the hanging blue screen.

Dec 28, 2010 | Computers & Internet

1 Answer

Startup computer and all of desktop is there. then the screen goes to blue and then back to normal. This continues to repeat over and over. Any ideas? Warren


Hi,
You may need to restart the PRAM and NVRAM:
Resetting PRAM and NVRAM
  1. Shut down the computer.
  2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
  3. Turn on the computer.
  4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
  5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
  6. Release the keys.

Nov 13, 2010 | Apple 24" iMac Desktop

2 Answers

MacBook won't start up.


If you have your Mac OS X Install disc, insert it into the drive.
Restart the computer and hold down "C" while booting.
Choose your language.
Select "Disk Utility" from the "Utilities" in the menu bar.
Select your Macbook's hard drive in the left sidebar.
Click the "First Aid" tab thats along the top of the viewer window.
Click "Verify Disk" (not verify disk permissions)
If this shows errors click "Repair Disk"
Once completed close the Disk Utility window.
Restart the computer.
If this fails to fix it as well then your next option would most likely be recovering your files from the macbook either by booting into target disk mode (hold down T at startup) and transferring them via a firewire cable, or removing the hard drive and hooking it up to another Mac to get the files. Then do a clean install of Mac OS X using your installation discs.

Feb 15, 2010 | Apple MacBook White- 2.1GHz Intel Core 2...

1 Answer

Computer won't start up correctly


Considering you have tried the Safe Boot mode to correct this, try to resolve this from the hardware side:

Procedure #1:

Here are some steps you can try to resolve the issue:

• First, hold in your power button for approximately 10 seconds to do a hard shutdown, if you have not already turned your Mac off.

• Once your Mac is shutdown, you will need to perform what is called a PRAM reset (Parameter RAM)

• Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously .

• Turn on the computer.
• Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.

• Now, hold the keys down until the computer restarts and you hear the star tup sound for the third time.

• Release the keys and allow the Macbook to start up.
If the iMac still does not start up to your Desktop correctly, go on to the next procedure:
----------------------------------------------------------------------
Procedure # 2

-PMU RESET-

The Power Manager is an integrated circuit (computer chip) that is usually on the logic board of your Mac computer.

It is responsible for power management of the computer. It controls backlighting, hard disk spin down, sleep and wake, some charging aspects, trackpad control, and some input/output as it relates to the computer sleeping.

• If the computer is on, turn it off.
• Disconnect all the connections going into the Mac except for the Power cord.
• Once all connections have been disconnected, remove the power cord from the iMac.
• Wait 1 minute.
• Reconnect the keyboard, mouse and power cord back into the computer.
• Press the Power button to restart the iMac computer.

• Observe if it starts up to the main desktop this time.
If it does not however, you may have an issue with your current Mac OS X directory or the issue could be hardware related.
-----------------------------------------------------------------------
Here is a comprehensive reference for you regarding Additional Troubleshooting for Blue, Gray screen issues and more, that you can also review:
Apple Support Link:
Startup Issues for Macs
----------------------------------------------------------------------
If all else fails, you may need to visit your local Apple retail store Genius bar or local Apple-authorized service center in order to have your iMac at least diagnosed to find out what the core issue is.

Regards,

-Mactechtrainer


Jan 30, 2010 | Apple iMac G4 Desktop

1 Answer

Mac book only shows apple logo when turned on


This could be an issue where you may have a few Startup items in your StartupItems folder in your System Library which may be affecting your Macbook's startup.

So I recommend you boot your Mac into Safe Mode to see if you can't remove a possible folder(s) that may be affecting your Mac's start up function.

Try these steps:

-SAFE BOOT MODE-
• Reboot your Mac
• Upon restarting your Mac, press the Shift key.

• Hold the Shift key until you see a White Screen with Gray Apple icon and eventually a spinning gear.
• When you see the Spinning gear, release the Shift key.

• Allow the Mac to continue booting up. Also this may take a little while.
(NOTE: this may take anywhere from 5 to 15 minutes to load to the Safe mode screen depending on the performance of your Mac, but if it exceeds this time, shutdown your Mac and try just once more. It may have just frozen up the first time around for you.)

• You are going to enter the Safe Mode (which looks like your main desktop environment the only difference is certain start up items are disabled.)

• Once within the Desktop in Safe Mode
• From the Finder Menu, click Go> Go to Folder
• Type in this line: /System/Library/StartupItems

• This path, is going to take you to the System Library folder which has all of your Mac OS X Startupitems.

• Remove all of those folders to the Trash.

*Reboot your Mac normally and see if you can access your normal User desktop environment.
--------------------------------------------------------------------------------
Let me know if this helps!

Regards,

-Mactechtrainer

Jan 28, 2010 | Apple MacBook Pro Laptop Computer with...

1 Answer

When i stert my g4 imac,s screen was became blue


You need to reset your pram
  1. Shut down the computer.
  2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
  3. Turn on the computer.
  4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
  5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
  6. Release the keys.

Jul 01, 2009 | Apple iMac All-in-one - 3.06GHz Intel Core...

1 Answer

Wont start up completly


there is the single user start-up, which you were thinking of. There is also a safe-boot for macs.

To start up into Safe Mode (to Safe Boot), do this:

1. Be sure the computer is shut down.
2. Press the power button.
3. Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone but not before.
4. Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).

During startup in Mac OS X 10.4 or later, you will see "Safe Boot" on the login window, which appears even if you normally log in automatically.

During startup in Mac OS X 10.2 through 10.3.9, you will see "Safe Boot" on the Mac OS X startup screen.

To leave Safe Mode in any version of Mac OS X, restart the computer normally, without holding any keys during startup.

Jun 24, 2009 | Apple iMac G5 Desktop

1 Answer

Mac Powerbook G4 won't (completley) start and won't turn off


All you need to do is a System Repair. You have to boot the Mac with the CD/DVD (as if you were to install the OS X again, but when you get the desktop, you are given options to repair your current installation. (Follow the instructions on screen). It will take about 20 minutes to complete (depending on your processor speed).

Apr 19, 2009 | Apple eMac G4 Desktop

2 Answers

Computer won't show start up screen, only shows different colors ie. green, then pink, blue... i took out the battery and started it without the battery and got the same results.


First you need to reset the PRAM:
  1. Shut down the computer.
  2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
  3. Turn on the computer.
  4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
  5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
  6. Release the keys.
Next you need to reset the PMU (power management unit). This will depend on the model of your iBook so follow the instructions on Apples page:
http://support.apple.com/kb/HT1431#faq6

Hope this gets you going again

All the best
Sean
PiDigital

Jan 17, 2009 | Apple iBook G4 Mac Notebook

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