My Mac Book Pro only show white screen

When I restart my PC.  It only show white screen.  It cannot go on.  What should I do?

Hello hugh betcha1,
The following article provdies some useful troubleshooting steps that may be helpful in getting your Mac to boot.
Mac OS X: Gray screen appears during startup
http://support.apple.com/kb/TS2570
Cheers,
Allen

Similar Messages

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    Howdy Lowana42,
    Welcome to Apple Support Communities. 
    It sounds like your MacBook Pro has a startup issue that is causing it to only display an Apple logo. Try the suggestions in the article below, they will resolve most issues like this one. 
    How to Troubleshoot iSight
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    Howdy Lowana42,
    Welcome to Apple Support Communities. 
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    Welcome to Apple Support Communities
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    http://support.apple.com/kb/HT1379
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    Mac OS X 10.6: Reinstalling Mac OS X
    http://support.apple.com/kb/PH6606
    Regards,
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  • When turning on my mac book pro it displays a screen with apple logo and begins loading a loading bar, after this continues to show loading circle however has been like this all day still no different. Tried turning it on and off however still same!

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    ... then run Disk Utility, Repair Disk.
    Also:
    Resolve startup issues and perform disk maintenance with Disk ...
    Mac troubleshooting FAQ: start-up woes
    How To Fix Common Mac Startup Problems
    Mac Stalls on Gray Screen at Startup - Troubleshooting Mac Startup ...

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    davenug,
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    Hi there JesSay241,
    You may find the troubleshooting steps in the article below helpful.
    Mac OS X: Gray screen appears during startup
    http://support.apple.com/kb/TS2570
    -Griff W. 

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    The cable connections have (so far) solved this problem for my situation. Even though the monitor's DVI cable was firmly connected to the mini Display port connector, when I touched it the attached monitor would go 'blue' or lose its connection entirely. After disconnecting and reconnecting this junction the monitors would still take a hit on touching the connection. I also checked the connection of the mini Display port connection to the graphics board and could not push it in any further. However, after a second go-round I unplugged this connection to the board and reconnected it. I am certain it was fully inserted the first time. But, connection contacts can oxidize over time and sometimes it may just need to be disconnected and reconnected to 're-wipe' the connections. This effectively cleans them at the point of contact. So in my case I'm thinking it was the connection age that was an issue more than a 'loose' connection. Either way, I haven't had this issue for the past two weeks.

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    Click " Like " if you want to Thank someone.
    If Problem Resolves mark the post(s) as " Solution ", so that other can make use of it.
    Click " Like " if you want to Thank someone.
    If Problem Resolves mark the post(s) as " Solution ", so that other can make use of it.

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    Try restarting into Recovery Mode (Command+R). Then click on the Apple logo on the menu bar. Click Startup Disk and select your Macintosh HD. Restart and see if you get the Apple logo on a white screen which means it's booting. If this doesn't help, restart holding down the Command+Option+P+R keys to do a PRAM reset.

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    Hard drive failure.

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