Won't get past white screen on shutdown/restart

When I choose shut down or restart on my 2012 rMBP, it logs out and moves to the white screen. From what I've seen, for an unlimited time.
When it does this (which I think is every time), my only option is press-and-hold standby key - which I hate doing!
This has been a problem since before Mavericks. I've tried resetting pram, repairing permissions etc etc. any other advice?
Even just a list of things to check which I may have already would be appreciated so I can discount them.

Been looking for a solution to this for ages and still no luck.
Even when I boot up in Safe Mode I still get infinite white screen when I shut down!!

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G5 startup won't get past White Screen, fans blow loud.

I have a G5 single 1.8GHz (late 2005 model?) serial number YM439*QYT
It gets stuck on the White Screen at startup. A minute later the fans start to blow really loud and it just keeps doing that and does not boot up.
I was using a hard drive that was copied from the original drive. So I put the original drive in and it was fine for a day. Now the computer is doing the same thing at startup with the original drive, as explained above.
I reset PRAM & NVRAM, nothing.
I have two different video cards, that's not the issue.
I do not have the OS Install Disc as this computer was given to me as a gift.
Any suggestions? Thanks.
<Edited by Host>

OK, from http://www.chipmunk.nl/klantenservice/applemodel.html
here is your system description:
Serial number: YM439*QYT
Name: PowerMac G5 (Late 2004)
Group1: PowerMac
Group2: G5
Generation: 3
ModelCode: g5june04
CPU speed: 1.8GHz
Memory - number of slots: 4
When you say white screen, are you talking about the gray screen with the apple in the middle? Do you see the progress gear at all before it stalls? Have you done a safe boot to force the fsck operation? You can also do a verbose boot (hold down cmd-V combination at power up and watch for dumb terminal output with Unix messages similar to what you see in the system log). Verbose booting might give you more information about where the stall is actually occurring, if it is stalling after the point where the terminal display begins.
Lots of voodoo in these situations, because there are lots of individual failures that can cause the problem.

My Macbook Pro won't get past white screen....

My Macbook Pro is stuck on the white screen with the gray apple logo and loading gear spinning below---for hours now. Restarted multiple time without any change. Agh!

Boot in safe mode. First, disconnect all wired peripherals except keyboard, mouse, and monitor, if applicable, and remove all aftermarket expansion cards. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
Safe mode is much slower to boot and run than normal.
If you can boot in safe mode, try rebooting as usual (i.e., not in safe mode.)

Can't get past white screen when laotop is turned on

How can I get my MacBook to boot, won't get past white screen. Battery is fine.

Welcome to Apple Support Communities.
Sounds like it could be a problem with the hard disk.
You can diagnose and perhaps repair the problem (if the hard disk still runs, but has errors) with these instructions:
http://support.apple.com/kb/ts1417
Just realized that you're running OS X 10.7 Lion
http://support.apple.com/kb/DL1433
and
http://www.apple.com/macosx/recovery/
Message was edited by: kostby

IMac won't get past startup screen, no matter what. Pls help?

I just inherited a mid-2010 iMac from a friend. It hadn't been used for months, and now when it is started up, it won't get past startup screen. It shows the 'slot' looking image on the bottom of the white loadup screen, then it's just the apple symbol and the whirly thing going around forever. I've had it going for over half an hour at one point, and nothing changes. I have tried all the different reboot key combos, such as C with a startup disk in it, D for hardware test, command S for safe mode, etc. The only thing which makes any difference at all is using the T key at startup, when I do get the three-pronged white symbol floating around screen.
It is a 21 inch with 500gig, and I believe it's running Snow Leopard. They never had a problem with it before, but now after the months of disuse, it is doing this. Please, can anyone help? Thanks!

I'm not sure if a dead PRAM battery would give you these symptoms, but one possibility is that if the computer was off wall power for months, the PRAM battery, a small coin cell battery that controls certain functions, may be drained and dead.
But, in any case, try an SMC Reset. You must follow the timing for this exactly.
http://support.apple.com/kb/ht3964
And then a PRAM Reset.
Hold down Option-Cmd-P-R together at the startup chime, listen for two more chimes, total three, then release all the keys to finish booting.
You might also try a Safe Boot by holding down Shift at the startup chime. (Cmd-S isn't for Safe Boot, it's single user mode.) Give it much longer to boot than usual, but if it doesn't finish in perhaps 5 or 10 minutes, then you'll have to give up on that.

After running mac tuneup got a red dot on the hard drive icon, nothing would respond, now on restart cant get past white screen with apple logo, mac tune up disk still in laptop

after running mac tuneup got a red dot on the hard drive icon, nothing would respond, now on restart cant get past white screen with apple logo, mac tune up disk still in laptop

Restart your MBP holding the trackpad down and hopefully the disk will be ejected. Then try to return it and get a refund or put it in the trash. There is nothing that software does for your MBP that you cannot do yourself or with free software.
If can get your MBP started, delete all traces of the offending software. Worst case is that you may have to erase the HDD and reload the OS and your user data. I trust that you have a backup (minus MacTuneUp).
Courcoul has given you his opinion in a very succinct manner, and as you might surmise, I agree with him.
Ciao.

I can't get past white screen when starting up, any ideas?

I Can't get past white screen when starting up, any ideas

http://support.apple.com/kb/TS2570 Mac OS X: Gray screen appears during startup
===============
When posting in Apple Communties/Forums/Message Boards.......It would help us to know which Mac model you have, which OS & version you're using, how much RAM, etc. You can have this info displayed on the bottom of every post by completing your system profile and filling in the information asked for.
CLICKY CLICK---> https://discussions.apple.com/docs/DOC-3602
CLICKY CLICK-----> Help us to help you on these forums

Won't get past "Platinum screen", keyboard not recognized

Hi all,
I just built a system, haven't even loaded up the OS yet. On the first boot, the computer won't get past the screen which says "Platinum" and says "tab to switch to post" or "del to run BIOS setup." The lights don't flash on the PS/2 keyboard i hooked up (a 6 year old Compaq one). I then tried a 2-year old Dell PS/2 keyboard with the same result. Is this problem fixable? I bought this off of Newegg and there is still time to return it, if I need to. Thanks for your help in advance. Also, if this topic has been beaten to death, I'm sorry. I'm in a state of panic right now since this computer isn't even for me.

I had the same symptoms first time I tried to boot my then-new K8N Neo2 Plat. I had the advantage of having the D-bracket, which was telling me it was hanging in the memory test. I had stuck in some cheapo memory to set up the board, waiting for my good stuff to show up. Turns out the memory was not up to the task. When I stuck in the good stuff, she fired right up. What memory are you using? Are you sure you don't have the D-bracket? it looks like a PCI back-plane USB bracket, except it has 4 LEDs on it (in addition to 2 USB ports and a 1394 port).

MacBook 2010 won't get past loading screen

Hi everyone. I don't live anywhere near an apple store so am hoping I can get some help here. My MacBook won't get past the initial White loading screen with the grey apple logo. A loading bar (which I've never seen before) comes up, loads about 1/5 of the way, disappears, comes back empty, does the same thing then my laptop turns off. About two weeks ago the battery stopped working without being plugged in and each time I turned it on it had reset the date to 01/01/2001. Any advice would be greatly appreciated. Thank you.

Welcome to the Apple Support Communities
The hard drive is damaged. Insert the Mac OS X DVD, press C key when your Mac starts, go to Utilities > Disk Utility and repair the drive. If it doesn't work, take the Mac to an Apple Store.
If you haven't made a backup, download DiskWarrior

IPhone won't get past lock screen. Restart won't work.

My phone was charging and I took it off the charger, my friend played around and did the color invert thing (where you press the home button 3 times). Now it won't get past the lock screen. When I try to put in my pass code it just puts boxes around the numbers but won't actually press it. I tried restarting it, it's currently plugged into my computer and nothing. It was really warm when I first noticed this. Help!

It sounds like your friend also turned on VoiceOver, which speaks items on the screen as you touch them (and sounds like the Siri voice). You will need to go to Settings>General>Accessibility>VoiceOver and turn it off. However, with VoiceOver on the way you use the iPhone screen changes. First, to scroll you will need to flick the screen with three fingers. Next, to activate something on the screen you will need to first tap it once to select it, then double-tap it to activate it. Example: to open Settings, tap Settings once (the voice will say "settings"), then double-tap it again and it will open. The specific steps are:
Enter you lock code by tapping the first number once to select it, then double-tap it to enter it. Repeat for the other numbers.
Press Home.
Tap Settings. Then double-tap Settings.
Tap General. Then double-tap General.
Use three fingers on the screen to scroll to Accessibility.
Tap Accessibility. Then double-tap Accessibility.
Tap VoiceOver. Then double-tap VoiceOver.
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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

Computer won't get past OS screen after unlock, even if I am still using 2 cores

>Phenom II x2 555 BE
>MSI 870a-g54
So I decided to unlock my CPU and have been experiencing a problem. I recently found out that if I even have "unlock core" function enabled in BIOS, even while running it with two cores, the computer won't get past the windows screen. With four cores enabled it obviously does the same. No matter what I try I cannot get past the Windows screen while having the unlock core function enabled.
My BIOS isn't on the latest version. I tried flashing it but I couldn't start it up even after flashed, it gave me the same problem described above. I reflashed it to the version I'm on now and it works, but I still can't unlock. What gives?
Any help would be appreciated.
TL;DR: PC will run as Phenom ii X2 555, but not as Phenom ii x4 B55. Can't get past windows screen.

you need to provide more vcore to the cpu
first try to enable 1 core (core number 3) (disable core number 2 and 4) and increase some vcore. If booted then you have a good core.
Then try this with other core (core number 4) (disable core number 2 and 3), if booted then your both cores are unlockable and are good core (i.e, not defective)
then you can try all cores at same time with some voltage increase (vcore)

IPhone 5 won't get past apple screen (keeps restarting)

Hello
Bought an iphone 5 just before the ios 7 release and for the last little while the phone would shut off a After a full charge when it hit approximately 97% of full charge it would shut off! Now it won't get past the apple screen and just keeps restarting over and over again.
Does anyone else have this problem with their iphone 5 and if so any solutions???
Our carrier Fido says this is an IOS 7 issue. Can anyone help
Thanks
Shep

Hey Shep77,
That definitely sounds frustrating! To completely isolate the issue, you may want to restore your iPhone in recovery mode, as outlined in this article:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/TS2802
iPhone is unresponsive and displays the Apple Logo
Review this article: iOS: Unable to update or restore.
.The above article also has great troubleshooting steps for Power issues, you may want to run through those if restoring does not resolve your issue:
Will not turn on, will not turn on unless connected to power, or unexpected power off
- Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
- Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion.
Learn about LCIs and corrosion.
- Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
- After at least 15 minutes, if:
               - The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
               - The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
               - Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
- If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
               - If the display turns on, go to step 4.
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- Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to
restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
- If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
Thanks,
Matt M.

Help! Won't load past white screen!!

I need help please! My curve won't load past the white loading blackberry screen. I downloaded an app from the app store and it crashed my phone. I called my carriers tech support but they are backed up and it might be a days before they can get back to me.

Jenn, If your BlackBerry stays powered off with a white or black screen, follow the instructions below. The only indication of life might be the blinking red LED light in the top corner. Nothing seems to wake it up and Desktop Manager doesn't recognize any device is connected.
1) Make sure you have Blackberry Desktop Manager installed.
http://na.blackberry.com/eng/services/desktop/
2) On your PC, go to Start > Run and copy and paste the following line exactly (meaning with the quotation marks):
"c:\program files\common files\research in motion\apploader\loader.exe" /nojvm
3) The Application Loader Wizard will appear -- click "Next."
4) In the "Connection:" drop-down menu, you should see "USB-PIN: UNKNOWN". Click the "Next" button.
5) You should then see a list of applications ready to be installed for your Blackberry. Hit Next and Finish and you are well on your way to getting your Blackberry back to life. Just don't disconnect anything and let the lengthy process finish completely.
NOTE: If you do not see a list of applications mentioned in step 5 and instead see the message "The Blackberry Desktop Software does not have Blackberry Device Software for the device that you have connected to the computer. Contact your wireless service provider or system administrator," then you must download Blackberry's Operating System for your carrier and device.
http://www.blackberryfaq.com/index.php/BlackBerry_Operating_System_Downloads
Just select the appropriate carrier and network type, select your Blackberry model from the list and download the latest version. Install this download and follow the above steps again and you should be on the right path.
1. If any post helps you please click the below the post(s) that helped you.
2. Please resolve your thread by marking the post "Solution?" which solved it for you!
3. Install free BlackBerry Protect today for backups of contacts and data.
4. Guide to Unlocking your BlackBerry & Unlock Codes
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PIN: C0001B7B4 Display/Scan Bar Code
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TS3824 2011 mac mini won't go past white screen with apple logo

My Mac mini won't move past a white screen with apple logo in the center. What should I do?

Hi ..
If you have v10.7 Lion installed, use Lion Recovery to repair the startup disk if necessary, or reinstall the Mac OS X.
If you are running a prior Mac OS X, boot from your install disc, run Disk Utility. The startup disk may need repairing > Using Disk Utility to verify or repair disks
And try Resetting your Mac's PRAM and NVRAM

Won't get past white screen on shutdown/restart

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