You wanted to use your Mac, but instead, your Mac won’t start up? Does your Mac computer stuck on a white / gray screen (after a start up chime)?
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Does your computer get stuck at the Apple logo? Sometimes an error or issue with your OS X operating system may cause your computer to stop functioning properly and display a white screen. There can be several reasons why a computer won’t boot.
However there are several tips you can try to fix it. This article explains how to fix this white screen issue so your Mac can work as normal.
Devices: MacBook Air, MacBook Pro, iMac, MacBook, Mac Pro. Before doing anything, you may want to make sure that you have a copy of your information to use if your Mac becomes unusable.
So you may want to try backing up now before doing anything. Backing up may be possible even if your Mac does not boot. If you have already backups, then you may skip this step.
You may be able to use OS X Recovery to backup your Mac. Here is how to: • Connect your external hard drive.
You need this because you need to back up your Mac to an external drive as you are having issues with your Mac. Also make sure that this external space has enough free space to store your data. • Shut down your Mac • Turn on your Mac and, immediately after the start up chime, hold down the Command and R keys at startup until you see the Apple logo. • Wait until you see the OS X Utilities window • Select Disk Utility and Click Continue • In the sidebar, select your drive that you want to back up, like Macintosh HD • Click Verify Disk, if this verifying disk process finds an issue, click Repair Disk • In the toolbar, you will see the “New Image” icon • Choose your external drive to save this. This will create a compressed disk image of your disk’s contents.
• Note these steps may be slightly different for different version of OS X. How To Fix Mac White Screen Please check to see (by rebooting your Mac) if your issue if resolved after performing each step. 1-Shut down your Mac by holding down the power button. Disconnect all peripherals (printers, scanners, USB devices etc) that are plugged in to your Mac, except the mouse and keyboard. After disconnecting everything, try restarting your computer. If you Mac starts without any issue, this means that one of your accessories is causing this.