MacBook Air 11" won't boot, just white screen

So I have an 11" MacBook Air, and one day it randomly just wouldn't boot, it just stayed white. I tried to do it manually by holding the alt key while booting. When it was supposed to show the operating, nothing was there but the wifi connectivity bar.
Recently, our power went out in our house for about a day, and through the entire time it was plugged in unused. I didn't turn it on or take it out because the power was out and I had finite using time (plus router was down to)
Could the hard drive have been fried?
And is there way to get it back. Frankly I don't care about getting my files back, I just want to be able to use it again, even if from a fresh version of Mountain Lion

Holding down the Option key when booting theoretically will prompt the Startup Manager window where you can select the startup disk then click Restart.
Startup Manager: How to select a startup volume
When you post for help, please state which OS X is installed.
If you aren't sure, click About this Mac from your Apple menu 
Troubleshooting advice can depend on that information.

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Macbook won't boot past white screen

My girlfirend's 2009 macbook aluminum unibody ((Leopard 10.5.x) is having a problem booting up. Initially I ran Onyx on it and it said it needed a disk repair. I ran a quick hardware test and it came back ok. I ran Disk Utility off of the cd and it said the repair failed. I believe the message was "invalid node, repair or verify failed." I tried it 3 times. When I went to quit disk utility and restart, it stayed on the white screen with the spinning wheel for a few minutes then the screen went blank. I tried to restart several times, always the same. I have tried resetting PRAM. I tried starting in Safe Mode but it wouldn't. I finally went to reinstall the OS but when it gets to the screen where I have to choose a drive, there is no drive in the screen to select. I don't have Disk Warrior, so can't try that. I'm thinking to remove the hard drive and get the data off of it onto my computer, then to erase her drive and start from scratch. Does anyone have another idea before I go through this?Thanks for the help.

If your OS X installer disc is no longer usable then you can arrange to purchase a replacement by calling AppleCare Customer Service.
Have you tried reformatting the hard drive? If may not require replacement unless the drive has truly failed.
Extended Hard Drive Preparation
1. 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 Utilities menu.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area. If it does not say "Verified" then the drive is failing or has failed and will need replacing. SMART info will not be reported on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID (for Intel Macs) or APM (for PPC Macs) then click on the OK button. Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.

Macbook 2,1 can't boot past white screen

I was restarting my computer to clear out the memory and whatnot and now the computer won't boot past the white screen. Unfortunately I have a DVD in its drive and can't get that out. I've resetted the PRAM, held down the option key, and even tried to boot from an external. I have taken it to the genius bar today and they said the hard drive was failing. I put the original hard drive back into the computer and still get the same thing. The drive that was in it is now in an external case and works with my Linux computer. Unfortunately, I can't access the files with my old Mac G4 since the Macbook had Lion installed on it, and all music, iPhone apps are associated with the newer system.
Is there anything else I can try? Will I need to have a new motherboard installed?
Thanks.
BTW, don't worry, I am saving to buy a new Mac as soon as I can.

Trackpad button does nothing
Option key does nothing
PRAM resetting at least reboots the computer
Startup chime - normal
Shift key - nothing
If removing the internal drive and booting from an external would do anything I'd certainly try that.
Since the computer is 6 years old, ironic since I'm typing this on my old G4 tower, it will be replaced with a Mini since I no longer have a need for a laptop. It's also out of warranty and will probably not be worth the cost to get it fixed.
The geniuses at the Apple store suggested I buy a new hard drive and that would solve my problems. I highly doubt it since I've put another drive in and it's doing the same thing.

When i turn on my macbook air, all i get is a white screen.

Have tried both types of resets i've found on the internet and in the owners manual. should i just take it to the apple store or is there something i can do? I have an older generation macbook air.

Go step by step and test.
http://support.apple.com/kb/ts1440
Startup Manager to select Startup disk.
http://support.apple.com/kb/HT1310
Repair Disk
Steps 2 through 8
http://support.apple.com/kb/PH5836
Reset PRAM.
http://support.apple.com/kb/PH4405
Reinstall OS X
http://support.apple.com/kb/PH10763?viewlocale=en_US
If this does not help, contact Apple.

IBook G4 won't boot past white screen gray apple.

I'm having problems with my iBook G4 booting up. It won't get past the white screen with gray Apple and clock thing turning. I successfully hooked the iBook to my G4 tower via firewire and can get files off of it as well as run a series of TechTool Pro tests and repair procedures. However, I still have the same startup problem. It never gets past the white screen with gray apple. It's stuck there with the clock continually turning. Is there anything else I could try before getting everything off and wiping the drive clean and starting over? I don't know if it's a hardware or software issue at this point. Thanks for any help you could suggest.
LW

You should at the very least backup your Home folder from it before attempting this, but it appears to be time for a relatively painless Archive & Install, which gives you a new/old OS, but can preserve all your files, pics, music, settings, etc., as long as you have plenty of free disk space and no Disk corruption, and is relatively quick & painless...
http://docs.info.apple.com/article.html?artnum=107120

IMac G5 won't boot, only White Screen

I have an iMac G5, no iSight, it won't boot up. It briefly displays the Folder icon with blinking question mark, then White screen. The first time it happened, I rebooted from an external Firewire drive, but only once. When I tried that again, it would not boot.
I disconnected all external devices, no boot.
I can't do Target Disk mode, can't boot from external disk (except that one time-weird exception), can't boot from Install CD. It WAS Open Firmware password protected, but I can't remember if I disabled it or not agfter my last hardware failure. (Note to the wise: if you have an older machine, don't use Open Firmware Password, it can greatly complicate troubleshooting when the inevitable failure happens).
I MAYBE have Open Firmware password enabled, since I
However, I CAN boot into Open Firmware (Cmd-Opt-O-F), I did manage to eject the Install CD that was stuck.
So I opened the back of the iMac. All three LEDs are good, indicating good power supply. I reset the SMU using the little button switch, then tried reboot with the little power button switch. Still no reboot. I tried re-seating the RAM cards, still no reboot.
I'm at the end of my bag of tricks. Does anyone have a suggestion? Is it a hardware problem?
thanks from San Francisco

Well you could try to reset the PRAM, but if your drive is dying it won't help, although it's worth a try.
You can also try using Disk Utility:
Disk Utility
1. Insert the Mac OS X Install disc that came with your computer, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
3. Click the First Aid tab.
4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
5. Select your Mac OS X volume.
6. Click Repair. Disk Utility checks and repairs the disk.
If none of that works, it's time to take it in.

IMac won't boot past white screen, now has partial pixelation?

I have just tried to restart my 2011 iMac and it has become stuck on the initial white screen (before the grey spinning gear) prior to the reboot it had being running fine for about 4 hours.
I initially thought that it may be trying to boot from the scratched PS2 game I had in the drive (was experimenting with PCSX2 before the reboot) I have tried every button combination I can find to eject the disk or boot into a different OS, I have also tried resetting the SMC and PRAM (I didn't get the 2nd beep) but to no avail. I have also taken out the extra 4gb of memory I installed to go back to the stock 4gb and swapped the stock 4gb for the new RAM but this hasn't helped either.
I have also noticed there is a small line of pixelation at the bottom of the screen, the high of it varies but it is usually around 4 pixels high, some of them are random colours but most of them are black, does this mean the graphics card has gone?

Reinstalling Lion/Mountain 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.
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 click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

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.

My MacBook Pro 13 won't start has white screen and beeps

I used my MacBook pro lastnight and worked fine. Tried to turn it on this morning and it won't start. Does sound like it is going to then before login screen shows ur goes to a solid white screen and beeps every 7 seconds. Need help school is about to start again.

Check this out.
I think you have bad RAM, so either you've recently put in new RAM, knocked some RAM loose from the socket (really hard to do), or the RAM went bad (maybe).
You might need to see a real tech.
Upon further review, I think your MBP has a serious problem. You need to take it to an Apple Store for repair. If you bought it within the last 12 months, you will be able to get warranty service, as long as you're not at fault.

System Won't Boot Past White Screen With Apple Logo

I have a Power Mac G5 tower that someone gave me. No hard drive.
I placed a NEW hard drive in and installed 10.4 onto it. When I finished I turned OFF the machine. When I now try and turn the machine ON, it will freeze-up during boot up at the white screen with the Apple logo. The little spinning ring/dial doesn't come up.
The system is:
Power Mac G5 (June 2004)
Model ID: PowerMac7,3
dual 2.5GHz
512MB RAM (2x256MB)
Using the Boot-up in Detailed SAFE Mode I was given the info below. Any help is greatly appreciated.
using 1310 buffer headers and 1310 cluster IO buffer headers
kld(): Undefined symbols:
ZN11IOPCIBridge18compareAddressCellEmPmS0
kldload_frommemory() failed for module com.apple.driver.AppleMacRiscPCI
Failed to load extension com.apple.driver.AppleMacRiscPCI.
Couldn't alloc class "AppleMacRiscPCI"
kld(): Underfined Symbols:
ZN11IOPCIBridge18compareAddressCellEmPmS0
kldload_frommemory() failed for module com.apple.driver.AppleMacRiscPCI
Failed to laod extension com.apple.driver.AppleMacRiscPCI.
Couldn't alloc class "AppleMacRiscAGP"
kld(): Undefined symbols:
ZN11IOPCIBridge18compareAddressCellEmPmS0
kldload_frommemory() failed for module com.apple.driver.AppleMacRiscPCI
Failed to load extension com.apple.driver.AppleMacRiscPCI.
Couldn't alloc class "AppleMacRiscHT"
kld(): Undefined symbols:
ZN11IOPCIBridge18compareAddressCellEmPmS0
kldload_frommemory() failed for module com.apple.driver.AppleMacRiscPCI
Failed to load extension com.apple.driver.AppleMacRiscPCI.
Couldn't alloc class "AppleMacRiscDART"
ApplePlatformExpert::getGMTTimeOfDay can not provide time of day RTC did not show up

Does it boot into any of these modes?
Target mode...
http://support.apple.com/kb/HT1661
Does it boot to Single User Mode, CMD+s keys at bootup, if so try...
/sbin/fsck -fy
Repeat until it shows no errors fixed.
(Space between fsck AND -fy important).
Resolve startup issues and perform disk maintenance with Disk Utility and fsck...
http://docs.info.apple.com/article.html?artnum=106214
We might get clues with verbose mode...
http://support.apple.com/kb/HT1492

Why does my MacBook Air power on to an all white screen, and after a minute will flash a folder icon with a question mark on it?

My computer powers on to an all white screen, after it locked up. How can I reboot?

You will need to reinstall OS X.

IMac won't boot past White Screen

Yesterday I turned on my computer and I got stuck at the white screen with the spinning dial and the apple logo. I tried to run disk utility and restore my Mac HD, it says there were problems with it, but when I tried to repair it said it cannot fix them. I then tried to re-install Snow Leopard but when I try to re-install it, no disks appear for me to install it on.
I am not sure where to go from here.

Sounds like a HD crash, run Apple Hardware Test in EXTENDED MODE at least 3x in succession. If errors appear as I suspect, your next stop is the Apple Store or AASP. If you have been backing up this will be a minor inconvenience, if you have not been backing up then well this will be a painful lesson on why backup is absolutely critical.

Mac Mini won't boot - displays white screen

I just bought a new mini, core duo, and set it up today. Everything was working fine, and I followed the instructions to update 9 applications from Apple.
I also installed a wireless keyboard/mouse MS Desktop 1000.
Everything worked great until the reboot. Now the fan turns on, the power light turns on, the startup chime sounds, but the display is only white. It doesn't appear to be doing anything.
I've tried restarting several times, I've disconnected everything (well, not much to disconnect, display, usb, power)
Any ideas?

Try starting you mini in Safe Mode…
http://docs.info.apple.com/article.html?artnum=107393
… to see if you can get it to start. I think it might have been a bad software installation that's done it. More than likely it was the keyboard and mouse.
If you can get it to start the first thing I would do is to try and repair you disk permissions (Disk Utility in your Applications > Utilities folder).

Help: Macbook Pro Retina won't boot past Grey screen w/ Logo

All,
My computer died last night with each application not responding. I couldn't shut down normally so I held the power button to turn it off.
Next morning, I tried to boot the MacBook Pro and the boot process stalled at the grey screen with the Apple Logo and spinning wheel. I let it go for an hour and there was no change on the screen. Based on Apple's help desk I ran Hardware diagnostics (extended with looping disabled) and got the following error
4HDD/11/40000000: SATA (0,0)
The screen shot is below
I ran this again with standard testing (no looping) and standard with looping and all gave the same results.
Any ideas? The compute will not boot.
Thank you
Phillip

That's what I thought but was able to do CMD-R and verify/repair permissions the disk. My hard drive is actually a flash drive so I'm guessing the controller or motherboard.
I do have it backed up with the last 24 hours ago.
Thanks
Phillip

Macbook late 2007 won't boot after update

Hello
I bought used macbook 2007 late, and I try to update to LION, and everything was good, then os x give me chance to download updates. I downloaded about 2,3 gb and reset notebook.... Then it's started. It won't boot, just circle is spinning.... On app store i've search for fresh download and purchase but only mountain lion is there to buy.. What can i do now? Where can i find link for app store Lion to buy, so I can install trough recovery.

Hello
I bought used macbook 2007 late, and I try to update to LION, and everything was good, then os x give me chance to download updates. I downloaded about 2,3 gb and reset notebook.... Then it's started. It won't boot, just circle is spinning.... On app store i've search for fresh download and purchase but only mountain lion is there to buy.. What can i do now? Where can i find link for app store Lion to buy, so I can install trough recovery.

MacBook Air 11" won't boot, just white screen

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