How to fix blue screen on my mac

You have to trial-and-error your way through to figure out which one, so connect them back into your computer one by one, and restart. If one of them causes your computer to hang on the grey screen again, you've found your issue. If you figure out the problematic peripheral, it's time to do a little research. Head to the manufacturer's web site and see if others are reporting the same problem. You might be able to fix it with a software update or a firmware update to the device. If no devices are causing problems, and your Mac still won't boot, then it's time to dig a little deeper.

Mac Problems: Stuck at the Blue or Black Screen

Safe boot makes your Mac boot up with the minimum amount of drivers needed to make it work, and it checks your hard disk in the process it might take a bit longer to boot up. Do do this, start up your computer while holding down the Shift key until the Apple logo passes. If your Mac starts up with the safe boot, go ahead and restart the computer again and see if it boots up normally as odd as it sounds this fixes the problem a surprising amount of the time.

If not, it's time to give the hard drive a closer look. If you still can't boot up OS X normally, it's time to run Disk Utility and check out your hard drive:. In a lot of cases, running Disk Utility will catch problems with startup issues. Sometimes a single file with the wrong permissions can cause the whole system to collapse, or if something's not in the right place it won't boot.

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If this doesn't work, you have a lot more problems to look into. If the above solutions don't work, it's time to dig a lot deeper into your system. Your problem could range from a bad hard drive to a faulty logic board. Here are a few more steps that should help you single out the problem:. Ah yes, the spinning beach ball that refuses to go away. Sometimes it's a small, application-specific problem that's easy to solve, but other times it's part of a much bigger mess.

If your Mac is tossing up the spinning beach ball consistently, it's time to figure out the exact cause. Your Mac will usually get a spinning beach ball when it's somehow overloaded. More often than not, this just lasts a few seconds and goes away, in which case you can ignore it. If it doesn't, the best way to figure out what's going on is to launch Activity Monitor and pinpoint which program is causing the problem. If it's a powerful piece of software like Photoshop that's causing problems, then it's a good chance you need more RAM in your computer.

RAM can help with multi-tasking issues , and if the beach ball comes up when you're running a few programs at once additional RAM will help this is very easy to install yourself. If not, and it's something lightweight like a file syncing service like Dropbox or an instant messenger client like Adium , then it's probably a problem with the software itself. Try quitting the app and seeing if the problem persists. If the beach ball doesn't return, then you have your problem.

When your hard disk is full it can cause spinning beach ball problems. For a lot of us, this just means cleaning up two folders: In a lot of cases, doing the above two steps can free up enough space to continue working. That said, you might still need to free up even more space. To make this process easy, we like Disk Inventory X. With Disk Inventory X, you can look at your hard drive and find the biggest space hogs quickly so you can delete them and move on. It takes a little time, but if you follow our guide you'll have your hard drive cleared out in no time. Of course, it might also be time to just upgrade the size of your hard drive.

A few other oddball things can cause the spinning beach ball. If none of the above work, here are a few more resources that will help you troubleshoot the problem. If you've ever experienced the black and grey kernel panic screen above, then you know how scary and completely unhelpful it is. When one application has a problem, you get the spinning beach ball mentioned in a previous section, but when multiple programs fail—or the operating system itself—you get a kernel panic.

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Thankfully, it's not usually as big of a problem as it seems. In most cases, a kernel panic will force you to reboot you computer. Let this happen, and if you load right back into OS X, continue working on your computer as usual.

I get a blank, blue screen at startup

In a lot of cases, the issue resolves itself and you can move along. If not, or if it happens only when you use specific programs, it's time to figure out what's going on. Running Software Update can often fix kernel panic problems because more often than not, it's a software issue. Click the Apple icon in the top left corner, and select "Software Update. If for some reason the kernel panic happens when you're starting up and you can't load OS X, then you'll need to try and start up in safe mode.

Reboot the computer and hold down the Shift key until the Apple logo appears. After a little while, you'll load up safe mode, a stripped down version of OS X. Here, you can still run Software Update the same way as you usually would. It's also worth visiting the developer's web site to see if other people are having a problem with a recent update or release. If it's one specific app that always causes the kernel panic, it's best to not use it until an update is issued. If no software needs updating and you can't get your computer to start without a kernel panic then it might be an issue with one of the programs you have loading up automatically on startup.

If it does not say "Verified" then the hard drive is failing or failed. 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 then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.


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You will need an active Internet connection. I suggest using Ethernet. Page content loaded. Otherwise boot from install install disk or other media and repair the startup disk. Sep 5, 6: Start up in safe mode and try to log in. Ask for further instructions. The next normal startup may also be somewhat slow. May 24, 2: The problem can also be caused by drive permissions.


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I have seen startup drive have the permissions set incorrectly, though I am not sure how the user accomplished the change in permissions. May 24, 4: That document can't be found. I think it was replace by this one: Jun 7, 6: Dear Kappy ,.

Macbook Pro A1286 Late 2010 Blue Screen with Black Vertical Lines on Boot up

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