My iMac goes to the white screen and stops

My mac was acting really poorly, I thought for sure I had a virus or spy ware and I inserted my reinstall disk and double clicked the restore icon. My screen gave me a question to restart and reinstall the OS X system. I clicked the OK button. The computer restarted came up to the white screen and now is frozen there. I have tried restarting several times with the same result. Is my mac now toast or what.

Josh Mellicker wrote:
Does the white screen have a series of small multicolored color "chips" on it? And is there a band at the bottom that is half "noise"?
michaelfromutah wrote:
...I inserted my reinstall disk and double clicked the restore icon...
What "restore icon"?
If you have the Mac OS X install disc in the drive, switch on your Mac, and hold the Option (⌥) key.
You will see a grey screen, with Macintosh HD & after a few seconds, a CD with Mac OS X Install DVD.
Click on the DVD and then the arrow underneath it. This will start up the Mac OS X installer.
From here, you need to choose your language and then from the Utilities menu, choose Disk Utility.
Then choose Macintosh HD from the left, and choose "Verify Disk" not permissions
Let us know how you go.

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    Step 7
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    Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
    The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
    When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 11. If you ever have another problem with the drive, replace it immediately.
    If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
    If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
    Step 8
    Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
    This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
    Step 9
    If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.  
    Step 10
    Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
    Step 11
    Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
    Step 12
    This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
    Step 13
    If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

  • Most of the time when I turn computer on I get the white screen and question mark.  Sometimes it will turn on and work but often the spinning disk starts and especially when opening Iphoto and it generally freezes

    Most of the time when I turn on the Mac I get the white screen and question mark appear.  Sometimes it will turn on and work. But often the coloured spinning wheel starts up especially after trying to use iphoto it freezes and a couple of times the screen has then gone black.  The computer seemed pretty warm yesterday when this happened.
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    See this on the question mark when you start up: http://support.apple.com/kb/TS1440?viewlocale=en_US
    See this on the spinning beach ball: http://www.thexlab.com/faqs/sbbod.html

  • How do i get the white screen to stop showing up ?

    how do i get the white screen to stop showing up ?
    B

    Try resetting the iPod by pressing and holding the power and home buttons simultaneously until the device powers off and you see the apple symbol.

  • IMac goes to blank white screen while using have to unplug

    For the second time now my iMac 2.8 ghz Core 2 Duo has gone to a blank white screen right in the middle of doing work. The machine sounds the same but the only way to get it back is to unplug it. I've searched around and found booting issues but that is not my problem. It just goes blank white right in the middle of using it.

    Josh Mellicker wrote:
    Does the white screen have a series of small multicolored color "chips" on it? And is there a band at the bottom that is half "noise"?
    michaelfromutah wrote:
    ...I inserted my reinstall disk and double clicked the restore icon...
    What "restore icon"?
    If you have the Mac OS X install disc in the drive, switch on your Mac, and hold the Option (⌥) key.
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