IMAC won't boot it comes on.

Held the on button and still don't boot,  Place the install CD and the C key and still nothing, unpluged it for a few minutes and then repluged it and still the same.  Can anyone help me with this?

Just wanted to thank you for your help.  I had screwed something up where I could not even get the sign on page with the locks so I took it to the shop and they got the sign on page on and told me that it was nothing they could do without the password.  So I let it sit and wrote down all the passwords that I used and tried them it works now.  I used it all last month and it worked fine and then I gave it to my brother.  Now it is time for me to screw up the other one. LOL  Thanks again.

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  • My iMac won't boot past grey screen and it didn't come with a os x disk

    My iMac won't boot past grey screen with apple. I've tried booting in safemode but that didn't help and my iMac didn't come with a os x disk.

    Take each of these steps that you haven't already tried. Stop when the problem is resolved.
    Step 1
    The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.   
    There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
         a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.”
    b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
    c. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
    Step 2
    If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use either of the techniques in Steps 1b and 1c to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
    Step 3
    Sometimes a startup failure can be resolved by resetting the NVRAM.
    Step 4
    If you use a wireless keyboard, trackpad, or mouse, replace or recharge the batteries. The battery level shown in the Bluetooth menu item may not be accurate.
    Step 5
    If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
    Step 6
    Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
    Step 7
    If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
    Start up in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Post for further instructions.
    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 10. 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.
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    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 11
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    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.

  • My imac won't boot up.  I get a white screen with the apple logo and the spinning  spiral--any ideas?

    my imac won't boot up.  I get a white screen with the apple logo and the spinning  spiral--any ideas?
    I have started having trouble since i had to upgrade OS the latest in July 12.

    http://support.apple.com/kb/TS2570    Follow this article and when it gets to the part where you go into disk utility using your install disc, you'll actually boot up holding down Command and R

  • My Imac won't boot up. It is stuck on apple logo with spinning gear.

    My Imac won't boot up. It is stuck on apple logo with spinning gear. It will not boot in safe mode, my install disc will not read and fsck wont fix it.. I can hear the hard drive spinning. So i know my drive is not bad.. Right before this happened i was low on space so i deleted a bunch of movies but for some reason i had to change my drive permissions to do so..

    Is your data backed up?  If not, see these means of data recovery: https://discussions.apple.com/docs/DOC-1689 If it is backed up, then purchase Alsoft Disk Warrior.  Boot it using the Option key of a wired Apple keyboard.

  • My iMac won't boot up fully. It stays stuck in the gray screen with the pinwheel spinning, then after about 5 minutes just shuts itself off.

    My iMac won't boot up fully. It stays stuck in the gray screen with the pinwheel spinning, then after about 5 minutes just shuts itself off.

    Try SMC Reset (unplug it from the back of the computer for 10 seconds then plug it back. in)
    Try PRAM Reset Cmd + OPtion + P + R on start up.
    Try safe boot - hold down shift on start up.
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  • My iMac won't boot i get an apple logo

    my iMac won't boot i get an apple logo

    Hi Paul,
    If your iMac won't boot past a grey Apple screen, you may find the following article helpful:
    Mac OS X: Gray screen appears during startup
    http://support.apple.com/kb/ts2570
    Regards,
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  • IMac won't boot after power outage

    I got a power outage a couple of hours ago. And now my iMac won't boot. When I power it up, it gets pass the white screen with the apple logo. The screen than turns blue with a spinning cursor. The cursor spins for about 10-15 minutes and stops but the normal login screen never appear and it won't boot into the desktop either. I just got a blue screen.
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    Oh man, what a disaster!
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  • Imac won't boot - white screen

    Ok, so now my imac won't boot. All I get is a white screen; I also can't boot from install DVD.

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    Hi
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    Best regards
    Rico
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    Oups, sorry about that wrong quote - I've been reading to many discussions lately
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