White Screen at Startup?

I've been noticing as of late, that whenever I boot up my iMac, it seems stall and I get a persistent white screen. After a minute or two, the wallpaper comes up along with the icon and the dock. It seems as if the Finder is having some issues loading. I didn't have these issues after my initial installation when everything seemes to run beautifully. Anyone else having this issue and possibly know what may be causing it?
Thanks
Tim

I've seen this when I have another monitor plugged in, it needs to load it too. Without the second monitor plugged in, the apple logo beecomes a darker grey then slides up and fades out over the apple logo on the login screen and lets you log in.
So do you have a second display plugged in?

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Help with white screen on startup PLEASE!

My new imac is only showing a white screen on startup. I am not really confortable with mac's yet to start trying a bunch of different things, I did try a restart where you press four buttons (p and r restart I think).
I made an appt. tomorrow for the mac store. My question to you is, is this a hard drive issue. I have read a little that others have had this problem...did you loose everything on your hard drive?
Thanks guys,
Michelle

To add to the conversation, my iMac has decided not to start up any further than the grey screen with apple logo and scrolling symbol. I haven't a clue what to do with it!
I tried doing a safe boot but that didn't work. I then tried to access the disk utility repair but i upgraded the operating system on my comp to tiger so i don't know if i should be using that cd or the one that came with my computer thus old operating system.
If anyone could shed any light on this i'd be most gratefull.. i hear reports of needing a replacement hard drive.... nooooooooooooo

I get a white screen at startup that turns to checkerboard pattern

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My iMac Intel 2012 20" displays white screen at startup then the screen turns to a checkerboard pattern adn goes no futher.
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HT2452 White screen at startup and stays?? How can I get past this?

White screen at startup and stays?? How can I get past this?

Safe Boot is perfoming a disk integrity check and repair process which may take a long time. Let it complete, though if the startup disk requires repair to begin with, it is likely already in a failed state.
If the Mac eventually starts, take that opportunity to back up your important data if you have not already done so. It may be your last.

White Screen during Startup

Everything was working fine on the Mac until about an hour ago when I tried to install software updates and then the screen fades and a message pops up saying the computer needs to be restarted by holding down the power button.
After doing that, the computer is now stuck on a blank white screen every time it is restarted. FYI, there is no external hard drive connected to the computer. Here's what I have tried thus far to troubleshoot:
Completely disconnect from the electrical outlet and restart.
Restart with the OSX Install disc in (also tried this holding down "c", both times just goes straight to white screen and won't do anything else)
Tried resetting PRAM (it made the second chime but still wont go past the white screen)
Restart in single-user mode and safe mode (still just stuck on the white screen)
Tried restarting with any USB cables disconnected
Tried restarting with the Ethernet cord disconnected while holding down the D key per the instructions in the "Everything Mac" book (only thing connected was the keyboard + mouse)
NONE of this has worked or caused any different result, it's still just showing a blank white screen.
Can anyone suggest another possible solution or cause for this problem?
Thanks!

My iMac is brand new, barely 2 months old. I've been getting the white screen quite often at startup. The only way I can get past it is to hold down power and reboot. One thing I've noticed... I'm pretty sure it only happens when I have external drives connected. If I shut down with my hard drives mounted and restart, I tend to get a white screen. If I disconnect them, startup is perfectly fine. I'd hate to have to disconnect Time Machine every time I power down, though. What a pain. Just installed Snow Leopard; perhaps it will fix this (though it did not, sadly, fix the missing "new mail" sound, so who knows)?

White screen at startup and no bluetooth

I have owned my iMac for 2 months.now at startup there is a white screen for 3 minutes.after it boots up the bluetooth wont work at all and can not be turned on.what do i do to fix this?

Should still be under warranty. Call Apple's Customer Support - in the US, (800) 767-2775

White screen on startup 2010 Macbook pro

The computer worked fine a couple of days ago, when the computer was given to me. I reformatted and reinstalled OS X through disk utility to remove all of the previous data. It worked fine up until I took it took school. When I took it out of my school bag, I thought that I had broken the LCD because of the plain white screen with nothing working; not even OS X Utilities would open. I have tried the suggestions on the apple page for "Gray screen appears during startup" but none of these do anything. I have tried everything that I can, I replaced the hard drive, tried to boot with recovery assistant thumb drive in, tried starting while holding Control R, tried holding Option key. The only things that these soloutions have gotten me is, the folder with a "?" and a cursor over the white.
I am running out of things to try here as, I do not have the CD's and I know nothing about Mac's. If anyone could help me get to the point where I could open Utilities I would be forever thankful.

Please make a Genius Appointment and take it in for service.

Mac Mini: Error-Disk Full-UNABLE TO BOOT-WHITE SCREEN at STARTUP

Please Help!
Last night a message popped up saying "STARTUP DISK FULL/almost full...Delete files to make disk space available"
Immediately after that message the system froze and I waited for a hour to see if it would unfreeze by itself
It didn't so I then pressed and held the power button until the system shut down
Now when I power up my mac mini, all I see is a white screen
Please advise...any and all help would be very much appreciated

Which model Mac mini is it? If it is quite an old one it might not in pre-boot stage know how to drive a brand new style keyboard. You can double check the keyboard itself is ok by plugging it in to your MacBook when it is already booted.
You could also test the DVD in your MacBook.
If you have not used the DVD drive in the Mac mini for a while it might have got dirty. Eject the disc if you can and carefully blow in to the disc opening to try and clear any dust.
Normally, methods of ejecting the disk would be -
Holding down the mouse button while you start the computer
Pressing the eject key on the keyboard
and various other methods that need the computer to be already up and running
Any Apple stores in your area?
It could possibly be still trying to boot from the hard disk - if your not able to get the keyboard recognised then obviously your not yet able to get it to accept a command to boot from a different drive. If your Mac mini is an older model and hence not in pre-boot mode able to recognise the new keyboard, do you have any friends with an old plastic Mac keyboard?
An older keyboard would be one that looks like this http://www.user-agent.org/stuff/images/mac_keyboard_02.jpg
You probably have a new one that looks like http://media.macworld.co.uk/cmsdata/products/10514/07kb_top.jpg
If you feel up to it, an option would be to take the Mac mini apart and remove the hard disk, then if you have the bits, put it in an external case and you can then connect it to the MacBook as an external drive. I have all those bits available to me but many ordinary users don't.

MacAir over 45 Second white screen on startup

Prepared New MacAir (Lion), wiped all partition, install via DVD and install only Windows 7 64 bit Enterprise with no mac partiiton, on powring on get white screen after teh startup sound which stay for over 45 sec, but if I hold alt/option during startup, white screen stayes for 15-16 sec and get bootdevice menu, selecting the HDD to boot get windows login screen in 5-7 sec, which is way better then looking on white screen for over 45 sec, seems searching for boot drive or some like that, Any help will be appricated, Thanks

my question is not related to changing the screen or so, I am concern about the long delay before system boots up, it was not the issue with previous MacBook Air. not sure may be the new MBA is looging for wireless network as it have option to boot from wireless network, if so can we disable some how not to look for wireless network?

Stuck at white screen on startup

I managed to kick the plug from the wall and kill power to my computer.
Upon restart the computer only goes as far as the white screen with the Apple logo. I can't get the dvd currently in the drive out to run a startup from the OSX disc!
Help?!?

Five ways to eject a stuck CD or DVD from the optical drive
Ejecting the stuck disc can usually be done in one of the following ways:
1. Restart the computer and after the chime press and hold down the left mouse button until the disc ejects.
2. Press the Eject button on your keyboard.
3. Click on the Eject button in the menubar.
4. Press COMMAND-E.
5. If none of the above work try this:
Open the Terminal application in your Utilities folder. At the prompt enter or paste the following:
/usr/bin/drutil eject.
If this fails then try this:
Boot the computer into single-user mode. At the prompt enter the same command as used above. To restart the computer enter "reboot" at the prompt without quotes.
To fix your other problem you may be able to do the following:
How to Perform an Archive and Install
An Archive and Install will NOT erase your hard drive, but you must have sufficient free space for a second OS X installation which could be from 3-9 GBs depending upon the version of OS X and selected installation options. The free space requirement is over and above normal free space requirements which should be at least 6-10 GBs. Read all the linked references carefully before proceeding.
1. Be sure to use Disk Utility first to repair the disk before performing the Archive and Install.
Repairing the Hard Drive and Permissions
Boot from your OS X 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 Installer menu (Utilities menu for Tiger.) 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 quit DU and return to the installer.
2. Do not proceed with an Archive and Install if DU reports errors it cannot fix. In that case use Disk Warrior and/or TechTool Pro to repair the hard drive. If neither can repair the drive, then you will have to erase the drive and reinstall from scratch.
3. Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When you reach the screen to select a destination drive click once on the destination drive then click on the Option button. Select the Archive and Install option. You have an option to preserve users and network preferences. Only select this option if you are sure you have no corrupted files in your user accounts. Otherwise leave this option unchecked. Click on the OK button and continue with the OS X Installation.
4. Upon completion of the Archive and Install you will have a Previous System Folder in the root directory. You should retain the PSF until you are sure you do not need to manually transfer any items from the PSF to your newly installed system.
5. After moving any items you want to keep from the PSF you should delete it. You can back it up if you prefer, but you must delete it from the hard drive.
6. You can now download a Combo Updater directly from Apple's download site to update your new system to the desired version as well as install any security or other updates. You can also do this using Software Update.

White Screen on Startup - please help

Hi,
I'm having problems starting up the imac when i have an external usb hard drive connected. When I turn the computer on or restart, it will freeze on a white screen until i manually turn it off by pressing the "off" button.
I'm pretty sure its the USB drives, as this doesn't happen when I have them disconnected, but its really troublesome having to disconnect and reconnect everytime i want to restart.
I have the startup disk specified in preferences for the windows partition in the internal hard drive. (the external hard drives that are causing a problem are not being used to boot)
any help is greatly appreciated.
thanks

found out its te cdfs partition on the external drive

My Mac won't boot past white screen and startup keys won't work

Hello. I have an iMac not sure what year.
So about a year ago it froze and wouldn't restart, so I neglected it for a year. Now that this my only fixable Mac I have been researching to fix it. I was able to boot into safe mode about a week ago for a little bit but then it froze again. Ever since then none of the startup keys work, even resetting the PRAM, I heard the second ding and then it just brings up the cursor on the white screen with no disk options.
I have an external disk drive connected to the USB I'd like to boot my Mountain Lion from but since the start up keys don't work I don't know how to do that.
Any help would be incredible, I do not care about saving anything from the computer I just want it to work. I hate dealing with the "geniuses" so that's not an option.
Thanks

When you hear the startup tone hold down the Option key and you should be able to boot into the Recovery Partition if you have Lion, Mt. Lion or Mavericks on the internal HD. If even the Option key does not work then your keyboard may have dead batteries or be defective and in need of replacement.
If you have ML on the EHD as a bootable clone then you should be able to boot from it.
My best guess is you have a failed HD though, my advice is to take it in for professional diagnosis to your local Apple Store or AASP and get a quote on what is wrong then decide how you want to proceed.

Stuck on white screen in startup

So I was wondering if anyone had any advice on what to do with my new 20inch iMac.
I just spent the day putting on all my files, I partitioned the hard drive, and I downloaded the new software updates... But after the reset it goes no where.
I hear the startup noise but all i get is a white screen. Nothing more.
Ive tried putting in the various cd's like the OS install and disk repair thing and launching from those (holding "c" or "d") but nothing happens.
Infact ive tried holding all the combination of keys (in the startup like the safe-start "shift" one etc) just in the off-chance that SOMETHING might happen but alas, nothing.
Help? Take it back to retailer?
20inch iMac Mac OS X (10.4.8)

Denham,
How long do you see the white (or grey) screen, with (I'm assuming) either the spinning progress indicator or the spinning beachball (which is it, if any)? I hope you're not just quick shutting it down too quickly out of frustration. There's nothing wrong if it's doing that for five minutes or even longer, just let it go on that way and eventually it should work through whatever it's doing. Even with more RAM, that can happen, but especially if you have 1GB or less, it might be most noticeable. I don't mean that you'll be seeing that a lot in the future, except following software updates.
The power indicator light on the front is not on, right? And no series of beeps at all? Either of those would indicate a problem.

Macbook Pro stuck at white screen on startup. HELP!

Right when i turn on my macbook pro, it plays the startup sound and gets stuck on the white screen. I can hear it running my cd right when the computer starts up. no matter what i do, i cannot get out of the white screen. it just stays there. same thing every reboot. Whats going on???
HELP ME!

Hi, I had this exact same problem with my 15in mbp just before Christmas. I shut it down one afternoon, and then later in the day switched it back on. It wouldn't boot past the white/grey screen. It wouldn't even get as far as the apple symbol. I tried to start it up several times, but to no avail.
I called up apple support, and they had me run through various keyboard combinations at start up. Nothing worked. According to my observations and the apple telephone operator's knowledge, it was as if the keyboard wasn't booting up at all during the startup sequence, hence it was not responding to the key combinations. There was no fix available over the phone and the advice given to me was to take it to an Apple Store to have the keyboard replaced. Living in Prague Czech Rep, as I am, there is no apple store, only one reseller, which I resolved to take my mbp to the next day.
However, before the night was up, I decided to to do one more thing. According to my (less-than-Vulcan) logic, since I was taking it to be opened up, and knowing that since the dawn of time, hitting machines has seemed to give them a new lease of life, I decided to see what a sharp thump to the side of the computer might do. It wasn't overly forceful, just enough to make me feel satisfied. Would you believe it, the **** thing started up the next second I pushed the power button!
Well, I had many weeks of uninterrupted, blissful computer use until a few days ago. If you haven't heard, quite a few mbp users have been reporting cases of unresponsive keyboards and trackpads whilst running leopard, leading to kernel panics and I have now unwillingly joined their ranks. I am in no way an authority on computers (I think that's rather obvious from my repair technique mentioned above) but I have a suspicion that my little episode last Christmas is related to the current issue of the internal keyboard and trackpad becoming unresponsive, so I'd watch out for that in the future once you're able to get your laptop up and running again. There doesn't seem to be much information as to why this is happening, but for my part, I've found that it's more frequent if pressure is placed underneath the battery, and less frequent under Tiger than Leopard.
I really hope, you're able to get your mbp up and running again. I know how utterly frustrating it is when it's not working and you have no idea why.

HELP! my MacBook 13 inch stuck at white screen on startup

My Mac book 13 inch, running ox leopard, hung on startup with a white screen. I tried holding option, it come up only my mouse pointer, no windows partition nor my apple partition, next I tried holding shift, it's just stuck forever,! After that I tried inserting my ox leopard disk into the com, and Tried holding option again, it's shows my ox leopard cd and I try boot from cd, from there it just stuck in booting from cd. Help me please. Ty!!

For clarity, bringing up the Apple hardware test isn't booting to the operating system on the OS X DVD. You should use the original OS X DVD that came with your system that says 'AHT Version x.x' in small print on the label. Insert, boot holding the alt/option key, and choose the Apple hardware test. If that works, you want to run the extended test, which can take over an hour.

Imac cant pass apple logo with white screen at startup!

Topic clear..
After starting white screen with apple logo (not clear) and in a min screen turns off.. Can you identify what my problem with? lcd panel? graffic card? or else?
Screens:
http://cid-b0bc35141d9aad6e.skydrive.live.com/self.aspx/imac/ss1.PNG
http://cid-b0bc35141d9aad6e.skydrive.live.com/self.aspx/imac/ss2.PNG
Thanks.

That are very strange pictures. That looks like a Graphic Card issue but I was having almost the same problem only my Apple Swirling Gear Looks Normal. But the Swirling Gear stops at about 1 or 2 turns & just freezes & sits there indefinitely. First some said Hard Drive but the Tech ran Tests & the HD Passed. The Senior Tech from Apple said it was the Logic Board. So the Logic Board is being replaced tomorrow.
Can you boot up to the Install Disc? I couldn't. At first I could get it to startup by Pressing Power Button & trying 10 times in a row. Same with Install Disc. It kept turning & making a lot of noise, but would not boot to Disc. I finally got the Disc to Boot & did an Erase & Install, but I still had the problem. I would see if you can do an Erase & Install first.You may get Lucky & your problem might just be Software related. Mine was not.

White Screen at Startup?

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