HT3964 Start my iMac 27 os lion - apple appears then spinning wheel then circle with diagonals but will not start

My iMac does not fully start up
Spinning wheel with circle with line thru on forever

This screen appears when OS X is damaged and your computer can't start it. As you are using OS X Lion, first check that your hard drive is OK.
Hold Command and R keys while your computer is starting, and open Disk Utility. Then, select "Macintosh HD" in the sidebar and verify the disk. If it's OK, close Disk Utility and reinstall OS X. If it's damaged, repair the disk

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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

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.

I tried to restart my iPad due to problems with a Pinterest app that took up a lot of storage in the cache...now the apple logo comes up but will not start...it has recently been charged

I tried to restart my iPad due to problems with a Pinterest app that took up a lot of storage in the cache...now the apple logo comes up but will not start...it has recently been charged

Try this - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
 Cheers, Tom

MacBook Pro has a grey screen with circle and slash and will not start up or start into safe mode.

MacBook Pro has started to get a grey screen with circle and slash and will not start up or start into safe mode. This happened once previously, however, it allowed a safe mode reboot and then worked for a week or so. While utilzing the machine, it started with the spinning beach ball for about 5 minutes, went into a shut down mode and then rebooted and came back up with the grey screen with a circle and slash after a few minutes. For the past three days it has been stuck and will not allow it to boot into safe mode. Any idea or suggestions?

Try starting the MBP with the OPTION key down. If you see two HDD icons, select the recovery Icon. From the 4 option menu, select Disk Utility. Select Disk Utility>First Aid and run Verify and Repair.
If you cannot get into the recovery partition, make an appointment at an Apple store genius bar.
Ciao.

My macbook pro will turn on but will not start up.

My macbook pro ['08 Silver keys] will turn on but will not start up. Screen is black and keyboard is unresponsive, besides power button. Help!

ugh, no chime is not good, as that means it is not getting past the firmware POST phase. Is the sleep light blinking fast?
One thing to try is to access the RAM slots, remove, then replace and reseat the RAM.
http://support.apple.com/kb/TS1365?viewlocale=en_US

Dowload help queues up but will not start. Any ideas?

My download helper places a download in the queue but will not start. I have a linux machine and a windows machine they are both doing the samething. A friend who has three computers has the same issue on all three. Any ideas. We have refreashed firefox. Reinstalled download helper and set all the updates. I have set all the conversion points as directed as well.

See:
*https://addons.mozilla.org/firefox/addon/video-downloadhelper/
<blockquote>We are aware of downloading issues when using Firefox 36.
We have been working for months on a 100% new version which works on Firefox 36+ (it does not work on Firefox 35 and below) and we just released a first test version. If you want to test this version and provide feedback on it, please follow this link.</blockquote>
You can find a beta version here:
*https://groups.google.com/forum/#!forum/video-downloadhelper-5

Power , but will not start

I have an IBM t43.
Last night left in hibernate and went to sleep.
Will not start today.
When plugged in power light showed yellow, but is now green, but flashing.
I have remove battery, hard drive, cd and memery and rep-laced. but will not start. no power. no noise
Please some suggestions
Steve
[email protected]

Welcome to the forum!
Let's try this: remove the battery, hard and media drives. Unplug the AC adapter. Press the "power" button 10 times in a row, holding it down for 10 seconds each time and 30 seconds the last time around.
Plug the AC adapter back in and try to power on.
Good luck and let us know.
Cheers,
George
In daily use: R60F, R500F, T61, T410
Collecting dust: T60
Enjoying retirement: A31p, T42p,
Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W
Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.

HT1338 When I try to start my Garageband 6.05 I get a repetitive message that the core audio midi will not start. If I choose to ignore it, report it or reopen it, it just keeps coming up and garage will not load or start up? Any suggestions? THanks

When I try to start my Garageband 6.05,I get a repetitive message that the core audio midi will not start. If I choose to ignore it, report it or reopen it, it just keeps coming up and garage will not load or start up? Any suggestions? THanks

I'm just guessing at this point, but I suspect that you have installed a midi driver on your computer for some external device, and, since GarageBand's midi capabilities are limited in some ways, chances are your audio/midi driver is asking GarageBand to do something more than it's made to do, causing core audio's midi function to crash.
If that's the case, you might want to try adjusting your midi device's driver settings, or uninstalling your midi device's driver, and then see if GarageBand starts up normally without it.

PSE 9 was running fine but will not start now and I get the following message: This application has requested the Runtime to terminate in an unusual way.

PSE 9 was running fine but will not start now and I get the following message: This application has requested the Runtime to terminate in an unusual way.
I have an HP Desktop running XP Professional and tried Restore but it didn"t help. I was just going to uninstall and re-install but I can't get in to deactivate.

See if anything here helps:
Troubleshoot C++ runtime errors | Adobe products | Windows

TS1440 Flashing circle prohibition sign, Mac will not start. Help!

Hi there,
I need some guidance can some techie please help me!
My Mac book pro, 10.6 will not start, a flashing prohibition sign and a folder with a question mark appears on my screen.
I have shut down and tried thePRAM start up but nothing. I have snow leopard disk, should I re install. Will I lose all my data?
I recently updated iTunes and a day later my computer crashed. Any help would be appreciated.
Love,
Kind stranger

If your machine was upgraded to OS X 10.7 Lion or 10.8 Mountian Lion, then DO NOT PROCEED!
The 10.6 disks cannot be used for 10.7 or 10.8, if that's the case, then let me know as a different method is involved.
On the second screen booted from the 10.6 disk, under Utilities menu is Disk Utility.
Select your entire internal boot drive on the left, it should have a name and a size.
Click First Aid > Repair Disk and Repair Permissions.
If the drive doesn't appear on the left, it may mean it's dead or there is a broken connection between the drive and the computer.
If Disk Utility says "can't repair, backup and erase and install" then the drive works, it's that it can't repair the file structure, likely because of a failed sector on the drive (may be natural or caused by shock or failing drive)
However you don't have to erase if it says to do so, if the drive works mechanically the data can be recovered.
The drive may work fine if removed from the machine as well if it's not showing up on the left in Disk Utility.
If the drive doesn't work, then the data can be recovered if it wasn't Filevaulted, but the platter dissection required is expensive.
My computer is not working, is my personal data lost?
If the drive is repaired, do it again.
After the drive is repaired, Quit Disk Utiltiy and select Reset Password from the Utilties menu.
Don't change the password if your just repairing user permissions, instead select the drive at top and the account your having issues with.
See an area labeled Reset Home Directory Permissions and ACLs. Click the button.
After that, quit and your in the OS X install screen, select the boot volume and click Install, this will overwrite OS X 10.6 with a fresh copy.
Quit and restart, then when you log in hit Apple Menu > Software Update until clear, you should be on 10.6.8
Some third party programs may not work, you will have to reinstall them from original sources and make sure they are compliant with 10.6.8

Mac powers up but will not start up

i have a mac pro that powers up but will not boot up

Unfortunately not a good sign...
See Here for Details...
Grey Screen on Start Up
http://support.apple.com/kb/TS3148
Resolve Startup Issues
http://support.apple.com/kb/TS1417

Phone flashes but will not start

the phone is flashing at the start screen white than blue than red and will not start and powers down if unpluged i guess the battary has died but will not let me start to the connect to itunes either.

Hello, rockinrolla.
Thank you for the question. You may find this article helpful in troubleshooting your issue.
iOS: Not responding or does not turn on
http://support.apple.com/kb/TS3281
If the issue persists, see step 6 of the article.
Regards,
Jason H.

Computer beeps but will not start. Was gone a month, left it unplugged.

So I unplugged my Mac Book Pro, left town for a month, it started for a bit, then screen went blue. I shut it down, and now it will not restart
it makes a beep sound I've never heard!
any restaert suggestions?
Thanks!!!
Ben

See if these articles are of any assistance:
http://support.apple.com/kb/TS1367
http://support.apple.com/kb/TS1587
Ciao.

HT201412 My iPad will not boot up, has a think logo running but will not start. Any ideas?

My Ipad will not boot up, has a think logo running all the time...any ideas. Also had trouble upgrading to ios.6 the computer is not the original one I synved my ipas too. It started OK then failed. Now it will not connect at all to computer...comes up with an error.!!!

Try DFU Mode Restore. Open iTunes on computer, connect iPhone to computer. Hold both Home and Power buttons for exactly 10 seconds, release Power button, keep holding Home button until iTunes recognizes iPhone in Recovery Mode. Usually about 20 seconds time. Restore iPhone Firmware.

My imac 5.1 freezes or coloured spinning wheel then shuts down.

Hi
My imac 5.i freezes or has a spinning coloured wheel and locks up, or the screen goes white or shuts down on it's own .
Any help !

Hello:
Try resetting the PRAM and SMC.
If it continues, take it in for service.
Barry

HT3964 Start my iMac 27 os lion - apple appears then spinning wheel then circle with diagonals but will not start

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