Grey Screen  & Grey Apple w/small timer running.

Hello to all. I am loss in this new challenge. I have a Grey G4 Power Mac which has not given me any problems until 3 days ago. I turned the power on and all I saw was Grey screen, grey apple and the timer running forever in a circle. Tried restart to no avail. Checked all connections and unplugged it from the power source as it would not shut off using the power button. Tried booting up from Tiger CD to no avail. Reseated the memory card and pushed the reset button, no change. Ok,time to go to the Mac Guy. They tried running Disk Warrior and it would only go to a certain point and it got a error message. They retrieved data from the hardrive, zeroed out old one and tried re-install of Tiger. It would not work even using 3 different CD's. They put a new hardrive w/Tiger pre-installed. It would boot but not take any updates, did the same with the old one and with the same result. Changed out the memory card, same results. Then put the new hardrive back in with all copied info, Tiger and updates. Zeroed out the old one and tried to copy from the new one and it came up with a Volumn Error Message. They are now saying it may be the logic board. Does anyone have any words/ideas of wisdom? Too much money and time to keep second guessing. I appreciate any help/time.

Lorin, Welcome to the discussion area!
Start your troubleshooting with KB 106464, Your Mac won't start up in Mac OS X.

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    http://support.apple.com/kb/HT1661
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  • My mac froze in an application so I shut it down by powering off with button, now when I try to turn it on I have a grey screen with Apple loge and the timer swirling but it doesn't get past this, please help!

    I Shut down my Mac by holding in the power button after my iMac froze and now when I try to turn it back it on all I get is the grey screen with Apple loge and the timer and doesn't get any further.  I have tried the diagnostic test but nothing was found.

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    Step 4
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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.
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  • Hello my MBP 15" stops at grey screen after apple logo disappears

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    Step 5
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    Step 7
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    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.
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    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
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    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.
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  • My macbook pro 2011 shows grey screen with apple logo and want start

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    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 boot failure is to secure your 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 your last backup, you can skip this step.   
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    b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot the non-working Mac in target disk mode by holding down the key combination command-T at the startup chime. Connect the two Macs with a FireWire or Thunderbolt cable. The internal drive of the machine running in target mode will mount as an external drive on the other machine. 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.
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    If you've booted from an external storage device, make sure that your internal boot volume is selected in the Startup Disk pane of System Preferences.
    Step 3
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    Shut down your computer, wait 30 seconds, and then hold down the shift key while pressing the power button.
    When you see the gray Apple logo, release the shift key.
    If you are prompted to log in, type your password, and then hold down the shift key again as you click Log in.
    Safe mode is much slower to boot 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 your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
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    When you boot 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, your boot volume is damaged and the drive is probably malfunctioning. In that case, go to step 5.
    If you can boot and log in now, empty the Trash, and then open the Finder Info window on your boot 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 reboot as usual (i.e., not in safe mode.)
    If the boot process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
    Step 4
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  • My macbook pro is stuck on grey screen with apple symbol in center with the progress circle under it continusly spinning. After I had turned it on. Prior to turning it on I had to force close and shut down a few hours prior. Please Help?

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  • My macbook pro doesn't bootbeyond the grey screen with apple icon and spinning wheel.

    My macbook pro doesn't boot beyond the grey screen with apple icon and spinning wheel.  I used the "Option" button to access the Disk Utility function and run Repair Disk and Repair Disk Permissions.  Should I restart my computer?

    The following support article is somewhat outdated. Where it refers to booting from an installation disc, you should boot from your recovery partition (if running 10.7 or later) by holding down the key combination command-R at the chime.
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  • Grey screen with apple logo after new HDD install

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    This is my first mac (previously all thinkpads), and I have to admit that if a windows laptop BSODed on me three times it would be in the return mail, and I wouldn't even bother to re-order. This is because I have enough experience with windows to know that three BSODs doing nearly nothing is absolutly a hardware problem. What's it like on the Apple side of the fence? Is this probably a hardware issue, or possibly poor quality control on drivers?

    Digging in a little deeper, I found the location of the kernel panic logs, and all three of them look like they are the same Intel HD4000 driver bug ticked by Google Chrome which is talked about here.. Perhaps it's not bad hardware after all.
    https://discussions.apple.com/thread/4086406?start=0&tstart=0

  • Need Help For iMac G5 Stuck On Grey Screen Or Apple Logo No Spinning Gear!

    Hello everyone i'm new here and i'm new for using iMac for some reason i was trying to clean or to fresh installation the iMac that my brother gave it to me that he bought it into the flea market without the original disk on it! when i erase the Macintosh  HD and some of the partition o iMac then reboot it now the iMac stuck on grey screen or apple logo no spinning wheel shown. and i also try to search and try all the tips of all mac user's like all the command key's and follow the instruction of them but still nothing happen..
    Holding CMD & R just to go disk utilities nothing shown up only apple logo and the noisy fan.
    Holding alt and it go to blue screen and show my mouse Pointer Refresh Logo, Hard drive Icon, Arrow Sign.
    i can click Arrow Sign and it go Apple Logo and within 2-3 seconds and it change to Power Sign Logo,
    i can click Refresh Logo but nothing happen .
    i can't click the Hard Drive icon.
    CMD, Option, P & R to Reset i also try and it's the same nothing change.
    CMD, Option, ESC no action shown.
    Is there anyway to fix this issue or problem please and thank you for help.
    Hoping to get result for all of you guys P.S
    iMac G5
    v10.5.8
    Leopard

    You need to have the install DVD that was issued with the iMac
    You can call Apple at 1-800-275-2273

  • I have snow leopard installed as an OS.  When trying to reboot a MacBook Pro I am getting stuck on grey screen with apple logo and rotating symbol.  What can I do?

    I have snow leopard installed as an OS.  When trying to reboot a MacBook Pro I am getting stuck on grey screen with apple logo and rotating symbol.  What can I do?

    Maybe this might help.
    http://support.apple.com/kb/TS2570

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