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:
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:
Here is a simple procedure that I recommend you try:
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:
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.
Sep 10, 2012 |
Apple 24" iMac Desktop