I have an iMac that won't boot up. I've read all posts on this subject to no avail. When power is switched on, it chimes, Apple logo appears, spinning wheel, then loading bar starts to fill. It gets to about 25% then switches off! Help please!
iMac that won't boot up! When power is switched on it chimes, Apple logo appears, then loading bar, then spinning wheel. Bar seems to load up and gets to around 25%, then reverts to the start again, gets to about 20% on the bar and then switches itself off leaving a black screen. Tried all the remedies on internet with no avail so would welcome some advice other than binning what is a relatively new computer. Earliest appointment Apple could offer was Thursday 17th, really useful for a business user _ not impressed,
You've probably tried this, but will it Safe Boot? Restart holding down the Shift key until you see the grey progress bar. You'll need to input your admin password during bootup. If it will boot you can then try to eject the disk using the various suggestions here that you haven't tried already:
http://osxdaily.com/2009/08/28/eject-a-stuck-disk-from-your-mac-dvd-super-drive/
Or this (not tried this myself, but if things are desperate): http://www.youtube.com/watch?v=n7NYW9Dr448
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I have an iMac that won't boot up. Chimes, Gray screen w/ apple icon, spinning gear and progress bar at bottom, about 20 sec then shuts off.
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Reset iPad and continue with Restore.
Hold down the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears
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Sorry. We can't help you. It's no longer an iPhone. Apple won't touch it.
Take it to whoever replaced the screen and see if they can help you.
iPhones are not user servicable and Apple does not sell iPhone parts at all. I'd be surprised if you were actually able to back it up at this point. It sounds like it's completely borked. -
Mac pro running OS 10.5.8 won't boot. Apple logo and spinning wheel shows then Apple logo turns into Forbidden signage while spinning wheel continue. It happenened right after I installed a firmware. Had to restart.Please help. What can I do?
Work through the suggestions in this article:
Mac OS X: Gray screen appears during startup -
Hi,
I have a 2010 iMac.
I have had not one problem with my mac since getting it as a gift, yet since I updated to the newest update. 10.8.2 or something along this, my Mac began to work really slow, and all of a sudden it should down today.
I tried to turn it back on and it was stuck on the white screen with the apple logo, the spinning wheel and occasionally the loading bar underneath.
I have used many forums including this, to try and find a solution. I finally got on to the OSX Utilities page, however, i can't wipe my hard drive clean, can't uninstall my operating system.
It's basically stuck on this page.
I'm a complete novice with Macs really, its used mostly for University work and research.
thanks :/Contact Apple Service, iMac Service or Apple's Express Lane. Do note that if you have AppleCare's protection plan and you're within 50 miles (80 KM) of an Apple repair station, you're eligible for onsite repair since yours is a desktop machine. Might also apply to new machines the first 90 days. BTW, the AppleCare Protection Plan's the best insurance policy available for desktop machines. Get it if you don't have it before contacting Apple.
Fixing the locked disk w/Mountain Lion installed is something they should be able to rectify. -
I did an auto software update on my iMac, which included a restart. When the machine restarted it's stuck with an Apple logo and spinning wheel. I've tried all of the key strokes that are supposed to work, but nothing has. Any suggestions?
Gray screen could be any number of things, bad third party at boot kext file, a bad Apple one, a bad install/upgrade of OS X, drive corruption etc.
Run through this list of fixes
Step by Step to fix your Mac -
Hi my serial number on bottom of my mac is W8******66E when l try to turn the computer on it is just going to grey screen with apple logo and spinning wheel i have tried starting in safe mode and a few other suggested solutions and they have not worked?
<Edited by Host>What other solutions have you tried?
This may help you:
https://discussions.apple.com/docs/DOC-3353
Ciao. -
I cannot start my mac book. Apple logo and spinning wheel on gray screen. Tried pressing shift key on start up nothing happen. Tried shift+command+V screen is still stuck
Reinstall OS X without erasing the drive
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.
=======================================
Reinstall - Mavericks, Lion/Mountain Lion
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu. Select Restart from the Apple menu.
Reinstall Mountain Lion or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is
three times faster than wireless. -
My MacBook Pro is stuck on grey loading screen with apple logo and spinning wheel.
PLEASE HELP - Tried to start up my MacBook Pro and I get grey screen w/ apple logo & spinning wheel. It's stuck on this screen. Safe mode didn't help but reveled this: smc read key action error, BOOS key failed, BOPS key failed. Consider rebuild of prelinked kernal com.apple.kext triggers triggered rebuild. IOBluetooth host controller USB transport Suspend Device. I ran verifications/repairs in Disk Utilities, but nothing came back wrong on the reports. I'm a bit panicked, as I use this computer for work and have no other computer to use in the meantime. I should also note that I have very little technical knowledge, so if you can lend your help please keep that in mind when responding. I'd be over the moon if anyone can help.
Startup - Gray, Blue or White screen at boot, w/spinner/progress bar
Startup - Gray Screen
Startup Issues - Resolve
Startup Issues - Resolve (2) -
Power button pressed.
Start up light okay
Chimes okay
Gray screen, apple logo and cognition wheel spinning and the loading bar underneath loading 1/10th of the way.
Loading bar doesnt load fully and then disappears.
Gray screen remains with apple logo and cognition wheel only.
No start up to desktop. Before start up to desk top which is not happening any more a blue screen appeared before the desktop appeared. When start up complete the ' Finder' had no responded and did not work' Multi coloured loading pointer continually turned. ' Network' could not be loaded in 'System Prefrences'.
Ive tried reading and following propts...Results NVRAM/PRAM - Logic board battery replacement. How much will this cost?
Hardware test - No problem found
Safe Boot - ' volume Machintosh HD could not be repaired.'
' Run time corruption detected on Machintosh HD device'
What do you suggest aside from taking it to a apple store?
Thanks StephenLion or Snow Leopard? If Lion, boot into your Recovery partition (hold down the Command and R keys whilst booting) and use Disk Utility to verify and, if needed, repair the boot volume.
If Snow Leopard, use the installation disc and use Disk Utility in the same manner.
Clinton -
IMac is stuck on apple logo and spinning wheel
My wife did a software update and them it asked for a restart, she click restart but the computer got stuck in apple logo and spinning wheel. Won't go past that now. Just keeps spinning! Help for I know not what to do!!!! Please any idea?
An invalid node is an error DU cannot repair. If you don't mind spending $100 for Disk Warrior, then I suggest you buy it because it can fix the error. Otherwise, do as the warning says. Backup your files. You will then have to erase the drive and reinstall. The procedure is:
Install or Reinstall Lion/Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Erase the hard drive:
1. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your startup volume (usually Macintosh HD) from the
left side list. Click on the Erase tab in the DU main window.
3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on
the Security button and set the Zero Data option to one-pass. Click on
the Erase button and wait until the process has completed.
4. Quit DU and return to the main menu.
Reinstall Lion: Select Reinstall Lion/Mountain Lion and click on the Install button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible
because it is three times faster than wireless. -
My macbook wont reboot apple logo and spinning wheel thats it.
I watched youtube videos and tried command r and now it keeps popping up you need to restart your computer. Everytime I restart it, it pops back up! HELP!!
Apple logo and spinning wheel is different than the need to restart your computer message.
See this Apple note on the spinning wheel at boot. If you are running OS X 10.7 or later, then rebooting with the command and r keys will get you into recovery mode, where you can use Disk Utility to repair the hard drive.
FYI, the need to restart your computer message in multiple languages is called a kernel panic, which is usually, but not always, caused by a hardware issue. If you have OS X 10.7 or later, you should be able to run the Apple hardware test. Prior to that, you need the disks that came with the system to run it. If you can run it, run the extended test when prompted, which can take over an hour to run. -
Macbook Pro (2011) froze while working, forced shut down, now won't turn on. Grey screen with apple logo and spinning wheel for hours. Help?
Unfortunately do not know the operating system since I never updated anything and I can't get in to it.
Thanks for your assistance.If you want to preserve the data on the boot drive, and it's not already backed up, 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, you can skip this step.
There are several ways to back up a Mac that is not fully functional. You need an external hard drive to hold the backup data.
1. Boot from the Recovery partition or from a local Time Machine backup volume (option key at startup.) Launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.”
2. 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. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
3. 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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