Sometimes when starting my iMac it shows a folder icon with a Question mark in it. Mac does not start up, only when shutting down and restart again solves it

Sometimes when starting up my iMac it shows only a folder icon with a question mark in it. Nothing happened. Only when start up again it runs ok.
What can be the cause of this.
thanks for your help
Hans

That's an indication your Mac can't find a system folder to boot from.
Open System Preferences > Startup Disk
Select: MacintoshHD OS X
For OS X v10.4, v10.5, and v10.6 > A flashing question mark appears when you start your Mac
Helps when you ask for help to tell us which Mac OS X is installed.
If you aren't certain, click your Apple menu icon top left in your screen. From the drop down menu click About This Mac.
The version is noted there.

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My computer suddenly refuse to start. When I turn it on it gives the startup sound but the screen is grey and after a while a little folder icon with a question mark inside turns up. It doesn't blink. What to do? Nothing happens if I try to start up from

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I have tried to start up from the installation CD holding down the C key on the keyboard. Same result. I have tried different key combinations while starting up. No result or rather same result. Nothing. Is the computer suddenly dead?
I was about to buy a new computer but I need access to my data on this one (I write this on an iPad) but hven't yet found a way.
Anybody have any good advice?
I thought it was a software problem, that the computer couldn't find the startup software or something and maybe it is, but I am beginning to fear that it could be a hardware problem.

You need to re install OSX. If you have the dmg file downloaded via torrentz this is how you can create a bootable external HD or Flash drive (8 GB+)
https://discussions.apple.com/message/23957654#23957654
Peace
Harry

At start up I get a white screen then eventually a blinking folder icon with a question mark in the middle

Help! As of today, my iMac will not boot up. When I turn it on I get a blank white screen then, after about a minute, a blinking folder icon with a question mark in the middle.

Find your original install disk, insert it and re-boot holding the "C" key during startup. It will take longer but should boot. Then you need to select Disk Utilityfrom the Menu Bar. Do a Repair Disk on your hard drive. When it finishes re-boot normally.

I have a 21" iMac that only boots as far as a folder icon with a question mark in it. Anyone know what this means and how to fix it?

I have a 21" iMac that only boots as far as a folder icon with a question mark in it. Anyone know what this means and how to fix it?

It usually means your OS has corrupted files. You need to reinstall OS X.
If you are using Snow Leopard:
Reinstall OS X without erasing the drive
Do the following:
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 the Combo Updater for the version you prefer from support.apple.com/downloads/.
If you are using Lion:
Reinstalling Lion Without Erasing the 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.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
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Reinstall Lion: Select Reinstall Lion and click on the Continue button.

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Hello, can someone help me: my eMac G4 700 MHz. I can not boot it. If he starts appears on the screen, only a small "folder with a question mark." The Mac was not used 1 year.
Question 1: Problem = hard drive?
Question 2: Problem = PRAM battery?
the
What can I do to boot?

Restart with the Option key held down.
If the internal drive shows up, it's the PRAM battery.
If it doesn't, insert a compatible Mac OS 9 or X install disk, click the button with the circular arrow, and either repair the internal drive or install a new OS on it. If it doesn't show up in Disk First Aid(9) or the Disk Utility(X), it's either not plugged in or needs to be replaced.
(97530)

I restarted my computer, but the screen only shows a flashing folder icon with a question mark. What to do?

I restarted my computer, but the screen only shows a flashing folder icon with a question mark. What to do?

It means that the system boot directory can't be found.
See this support article for suggested actions
Also see this discussion.

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Good day all,
I am new to Mac. Just want to find out if your Macs always prompt you to shut down and restart. Mine happens very often sometimes, and it can be very embarrassing, especially just when you think you are almost done with what you are doing, only for you start all over again. Or, is there anything I am doing wrong, somebody please help, Thanks.
Francis.

Hi Francis,
Are you getting kernel panics?
http://support.apple.com/kb/TS3742
http://www.thexlab.com/faqs/kernelpanics.html

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When I try to open iPhoto I get a window dialog that says...
Your photo library is either in use by another application or has become unreadable
Shut down and restart your computer, and then open iPhoto again. If the problem persists, try rebuilding your photo library. To do this, quit iPhoto, and then reopen it while keeping the Option and Command keys pressed. You can also try restoring your photo library from a backup.
I have tried the reopen it while keeping the Option and Command keyes pressed.
No change.
I dee nothing but a blank page,
Any help would be appreciated.
Also hace back ups of all images on cd's. dvds and jump drives.
Any advice is appreciated.

Option 1
Back Up and try rebuild the library: hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Choose to Repair Database. If that doesn't help, then try again, this time using Rebuild Database.
If that fails:
Option 2
Download iPhoto Library Manager and use its rebuild function. (In early versions of Library Manager it's the File -> Rebuild command. In later versions it's under the Library menu.)
This will create an entirely new library. It will then copy (or try to) your photos and all the associated metadata and versions to this new Library, and arrange it as close as it can to what you had in the damaged Library. It does this based on information it finds in the iPhoto sharing mechanism - but that means that things not shared won't be there, so no slideshows, books or calendars, for instance - but it should get all your events, albums and keywords, faces and places back.
Because this process creates an entirely new library and leaves your old one untouched, it is non-destructive, and if you're not happy with the results you can simply return to your old one.
Regards
TD

What does a blinking folder icon with a question mark mean when turning on computer?

When I turn on my Mac Book Pro all I get is a blinking forder icon with a question mark in it in the middle of the screen. What does this mean and how can I fix it?

Your Mac is not able to find a system folder to boot from so it displays the question mark.
Allan

Getting a folder icon with a question mark in it when I start up...

Hi Guys
I know this isn't a Logic or music-related question, but I trust you guys so I'm asking it here rather than in one of the other Apple forums...!
Sometimes when I start my 2 month old Mac Pro, I get a folder icon in the middle of the screen, with a question mark in it...
This happens approximately one in ten startups...
Does this mean there's something wrong with my boot hard drive? Or some other kind of problem?
If I switch off and start again, it always starts up fine, but I'd be worried if this might indicate my system hard drive is on the way out!
Any advice?
Cheers and thanks!
Mike

You cannot delete (just try it) the Network Startup icon, and I don't think it is the problem. That question mark folder on startup actually tells you that the Mac cannot find a valid system, so if I were you I'ld run a couple of utilities, repair permissions, perform a surface scan of your boot disk etc.
And post the question on the OS X and the Mac Pro forums too.
The question mark in the network startup icon in the Startup Disk Prefpanel simply means that there is no network startup system. I have the same icon. It is not the problem. However, if for some reason your Mac decides on its own to try and start up from it, it would explain your "where's the system" startup ?-folder.
It could mean a lot of things: something almost broken in your system, or maybe a firmware problem or maybe a disk, or even that your keyboard is defective, and that (for example) the letter C hangs 1 in 10 times, making your Mac look for a Boot CD/DVD that isn't there...
Regards, Erik

I get a white screen with a grey flashing folder icon with a question mark in it when i try to start up my i mac, what's happening?

A few days ago my i mac when into grey screen; there were a few options for starting up, restoring etc i tried all of them to the extent possible but didn't work. Then i decided to unplug my external backup drive in case it may be erased or info lost in this process and now all i get when i turn it on is a white screen with a flashing folder and question mark. Any ideas?

That indicates the computer is having difficulty finding the startup volume. Your internal HD may have failed or the system may have "forgotten" where it is. If you are using Lion or later (10.7.x or later) then restart in the Recovery Partition and choose the startup disk. Before doing anything carefully read and follow Apple's instructions in:
A flashing question mark or globe appears when you start your Mac

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Any suggestions would be great.
thanks,
Don

It will look just like this:

MacBook won't start - shows flashing folder icon with question mark

When I attempted a Spotlight search, my MacBook froze. I shut it down, and when I start again I get the sound, the blue screen, and then a flashing folder icon with a question mark. I tried starting with Option pressed down; didn't work, and now I don't even get the flashing folder icon, just the blue screen. Any suggestions?

The flashing folder with question mark means the computer can't find a working OS on the computer. This may mean your hard drive has failed.
Try holding the Shift key while starting up the machine. This puts the machine into Safe Mode.
If you have your install discs, insert Install Disc 1 and start up the computer while holding down the C key. When the Installer has loaded, choose a language. From the Utilities menu, choose *Disk Utility*. Does your hard drive show up here? If so, click on its icon (the one with manufacturer name & capacity, NOT "Macintosh HD"), and then click on the *Repair Disk* button.
If booting in Safe mode doesn't help or you don't have your install discs, you need to bring the computer to an Apple store and have the folks there look. If Disk Utility doesn't list your hard drive, it has very likely failed and will need to be replaced. If your machine is out of warranty, you're better off replacing it yourself, as it's very easy to do.
~Lyssa

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I want to upgrade my Hard Drive to 1TB and more.
What is the maximun Hard Drive I can install for a MacBook Pro 2009
Yesterday, I tried a SEAGATE SSHD but my screen was always a showing a QUESTION MARK (?). It's not the cable because when I put back the old original version, everything works...Any sugestion of brabnding or procédure to upgrade my hard drive?

The largest 2.5" dia SATA drives available are 2 TB in capacity.
Have you tried the Seagate SSHD connected externally to the MBP via USB? The drive itself may be faulty.
Ciao.
Here is a good place to start looking for a replacement drive:
http://eshop.macsales.com/shop/hard-drives/2.5-Notebook/

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Not much to go on in your product info, but maybe this will help: iMac (27-inch): AMD Radeon 6970M Video Card Replacement Program. If not, then it's time to visit an Apple repair station.
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Sometimes when starting my iMac it shows a folder icon with a Question mark in it. Mac does not start up, only when shutting down and restart again solves it

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