When I turn on my macbook pro only a white screen appears leaves nothing more anyone could help?

I have an issue white my Mac someone can help me?

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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    Take each of these steps that you haven't already tried. Stop when the problem is resolved.
    Step 1
    The first step in dealing with a boot failure is to secure your data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since your last backup, you can skip this step.   
    There are several ways to back up a Mac that is unable to boot. You need an external hard drive to hold the backup data.
         a. Boot into the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.”
    b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, boot the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
    c. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
    Step 2
    Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to boot, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can boot now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
    If you've booted from an external storage device, make sure that your internal boot volume is selected in the Startup Disk pane of System Preferences.
    Step 3
    Boot in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the boot volume is a software RAID, you can’t do this. Post for further instructions.
    Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
    The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
    When you boot in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, your boot volume is damaged and the drive is probably malfunctioning. In that case, go to step 5.
    If you can boot and log in now, empty the Trash, and then open the Finder Info window on your boot volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then reboot as usual (i.e., not in safe mode.)
    If the boot process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
    Step 4
    Sometimes a boot failure can be resolved by resetting the NVRAM.
    Step 5
    Launch Disk Utility in Recovery mode (see Step 1.) Select your startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
    This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then reboot as usual.
    Step 6
    Reinstall the OS. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
    Step 7
    Repeat step 6, but this time erase the boot volume in Disk Utility before installing. The system should automatically reboot into the Setup Assistant. Follow the prompts to transfer your data from a Time Machine or other backup.
    Step 8
    This step applies only to a Mac Pro tower, not to any other model. A dead logic-board battery can cause a gray screen at boot. Typically the boot failure will be preceded by loss of the startup disk and system clock settings. See the user manual for replacement instructions.
    Step 9
    If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store to have the machine tested.

  • Hi I do not want iTunes to open up automatically when I turn on my macbook pro.  I tried going to System Preferences Users and Groups Login Items and then I took iTunes off the list but it still opens up automatically when I turn on my laptop.

    Hi I do not want iTunes to open up automatically when I turn on my macbook pro.  I tried going to System Preferences>Users and Groups>Login Items and then I took iTunes off the list but it still opens up automatically when I turn on my laptop. What should I do?

    Hi r,
    Make sure you close iTunes before shutdown.  And you're quite welcome.

  • When I turn on my macbook pro is no apple logo, just a black screen

    when I turn on my macbook pro is no apple logo, just a blackscreen!
    what need i to do! sometimes it wont start up
    I used switchsresx for my macbookpro but i removed it becouse it was not working but now when i startup my macbook Pro it shows a black screen!

    Here's a link you might find helpful:
    http://support.apple.com/kb/ht1564
    Safe Boot disables several things, and you can look at the list and see if you can find the culprit. As Linc says, if you still have a problem, post a new topic so that it will get the attention it deserves.

  • When I turn on my Macbook Pro and sign in, the screen is blank, none of the icons appear, I can't click, open or do anything! Help!

    When I turn on my Macbook Pro and sign in, the screen is blank, none of the icons appear, I can't click, open or do anything! Help!

    You could try this; Mac OS X: Starting up in Safe Mode.It takes awhile to come up so patience is a virtue here.
    And here is What is Safe Mode.
    DALE

  • When I turn on my Macbook pro retina display i get a black screen and i noticed that the machine gets very hot, any clue how to make it work?

    When I turn on my Macbook pro retina display, a black screen show up while I hear the normal start up sound.  I noticed that the machine gets very hot, any clue how to make it work?

    If the Mac is too hot to touch, take it in for service.
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  • I have a Macbook PRO and it stopped booting up. When I turn power on it just stays in white screen.

    I have a Macbook PRO and it stopped booting up. When I turn power on it just stays in white screen. I have not dropped it anything. Please help.

    Try holding alt when booting to select your hard drive to boot into, if that fails, do it again but select the "recovery" partition (If you have Lion or Mountain Lion)

  • When i turn on my macbook pro why does a bunch of things pop up

    when i turn on my macbook pro why does a bunch of things pop up

    It's the Resume feature of Lion:
    Managing Mac OS X Lion's application resume feature.
    If you shutdown your computer you should get a dialog asking if you want applications to resume on the next startup. Simply uncheck the box to prevent that from occurring. Open General preferences and uncheck the option to Restore windows when quitting and re-opening apps. You can also install a third-party utility to control resume features on individual applications: RestoreMeNot or Application State Cleaner.

  • When i turn on my MacBook Pro, it makes the chime sound, and I hear it running but the screen is black. Just downloaded new OS.....need help.

    when I turn on my MacBook Pro, I hear the startup chime, and the fan running. The screen is black and there are no lights on the keyboard.     I tried resetting PRAM, but still will not start. Running OS X Mavericks 10.9.1 and recently download new OS. Serial number is C0****W47.  How do I bring my screen back?
    <Peronal Information Edited by Host>

    After a while I heared something about pressing the return key for english. But when I pressed the ruturn key, nothing happened.

  • When I turn on my MacBook Pro and when I am at the login screen, the background is white rather than steel gray. What is wrong and how can I fix it?

    When I turn on my MacBook Pro and when I am at the login screen, the background is white rather than steel gray. What is wrong and how can I fix it?

    It turns out that iCloud caused this issue. When I turned iCloud off my login screen was completely normal.

  • 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!
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    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.

  • My mac book pro only shows white screen.

    My mac book pro only shows white screen and then I rebooted with shift+command+P+R and now I have option to restore my computer but I am afraid to lose anything on my hard drive. What do i do?

    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
    I hope this helps, 
    -Jason

  • Macbook pro boots to white screen and a ?

    macbook pro boots to white screen and a ?

    Gus@MaggiesFarm,
    try this: boot your MacBook Pro into Recovery mode by holding down a Command key and the R key as it starts up. Once the Mac OS X Utilities menu appears, select Disk Utility. On the left-hand side of the Disk Utility window, select your internal disk’s boot partition (typically called “Macintosh HD”). On the right-hand side, press the Verify Disk button if it’s not greyed out; if it is greyed out, or if it reports that errors were found, press the Repair Disk button. Once the verification/repair is completed, exit Disk Utility and select Restart from the Apple menu to restart in normal mode. Does it get past the white screen now?

  • 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

  • When i turn my mac on i get the white screen and a progress bar that when finished shuts the computer down

    i recently came back from holiday and tried to start up my laptop (that stayed at home, just shutdown but plugged in). when i turned it on, i got the apple white screen, a timer wheel and a progress bar that when it reached the end of the bar, it just shut the computer down again. i cannot get past this screen and the mac will not turn on. does anybody know how i can fix this please?

    Your hard drive is dead and you'll need a new one. If you're the least bit handy, you can replace the drive yourself. You need to decide what capacity and speed you want out of a new drive.
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    Clinton

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