Mac mini light blue screen

Occasionally, doing that then restarting fixes the problem. If not, boot into the Recovery partition and follow the steps in the problem above. When you turn on your Mac you should hear a tone. The type of tone can change depending on any problems your Mac might be experiencing, so they are a good way of figuring out what's preventing your Mac to properly start.

First of all, check that the Mac is connected to a power supply, and that the power cable is secure. Then you should check that the power socket is switched on and working. Test it with a lamp! Next, eliminate the possibility that it's a display problem. Is there a startup chime? Can you hear the fan? Is the sleep LED lit? Does the caps lock key light up when you press it?

If the answer to any of those questions is yes, it may be a problem with the display. If it's an external monitor, check its connection. If that's okay, try connecting a different display. If the answer to all of those questions is no, try resetting the system management controller SMC. Get thee to a Genius Bar. Back to School Protect your Mac with one of the best Mac VPN options The Mac won't start and it shows flashing question mark The flashing question mark folder is a sign that your Mac is having trouble locating its system folder.

The famous blue screen freeze

You'll need to start up again from the Recovery partition and reinstall OS X. The Mac doesn't start, but hangs at a blue or grey screen Persistent blue or grey screens when you boot up your Mac tend to be caused by a peripheral. Understanding startup tones When you turn on your Mac you should hear a tone.

One tone repeating every five seconds This means there's no RAM installed in the Mac, so install some! Three successive tones and a five second pause, repeating on a loop This means the RAM has failed an integrity check; replace it. What to do if your Mac won't start up at all First of all, check that the Mac is connected to a power supply, and that the power cable is secure. Enjoyed this article?

Get more tutorials, guides, and tips on how to get the most from your Apple devices inside MacFormat. What this means for us mortals is that when a Mac stalls at the Apple logo or the logo with a spinning gear, it probably has a corrupt Mac OS X installation. It may also be having trouble accessing an internal or external hardware component, but this is less-likely.

The Perfect Mac Mini Setup 2018! 🔥

DiskWarrior is also worth a shot this is by far my most used disk utility. A hang at a blue screen, at the login window, or at the image of your blank desktop often indicates a Problem with a User Account. Corrupt Fonts or bad Preference Files.

Setting up a second, emergency admin account on your Mac is helpful for troubleshooting account problems. Safe Boot may help too, as that bypasses non-essential fonts and user startup items which you can then remove from your User Library folder. Presented in your native language, or something close. Mac crashes can take on all sorts of appearances — the Spinning Beach Ball being perhaps the most familiar — but Apple has succeeded in scaring the bejesus out of many users with this dialog.

It is accompanied by the screen slowly darkening from top to bottom before a multilingual warning appears:. A kernel panic can happen at virtually any point in the boot process and may indicate a corrupt OS, an incompatible kernel extension, or a hardware problem. Try a Safe Boot to disable non-Apple extensions. Intel Macs can also boot from a USB flash drive which contains a bootable disk image, this can be very handy in an emergency. You can also use a clone of your Mac hard drive to boot a cantankerous system. This not only allows you to check, fix or copy data off the primary boot drive but continue working immediately when you have disk problems.

Kacey — sounds like you have a bad hard drive. To follow up, just heard from the repair shop. The cable is bad. Logic board is fine. Thanks for your guidance. You also may have a hairline fracture on the logic board or loose connector on cable.

Back from the dead

No problems until Sunday morning. I was able to log in and clicked on Mail icon. It froze. I did a force quit. Same thing happened when I launched Safari. I was in for about a minute and then it froze. I let the logo and spin gear go for about 3 hours and nothing.

I tried booting from the install DVD and no luck either. Took it to a third party repair store and he was able to mount my old drive externally and I was able to get in. He said either the cable from the HDD to the logic board was bad or the logic board was bad. Does this sound accurate? If the logic board truly was bad, would I be able to do anything whether the drive was mounted interal or externally? It is a little over a year old and I do not have a valid warranty. This issue happened after I shut off the computer by holding the start button due to safari having a rainbow pinwheel for a few minutes.

Why is this happening so randomly?

How to get out of a blue screen on a Mac Mini - Super User

What is actually wrong and how much do you think it will cost to fix? Thanks so much Kacey. I suggest you take the laptop to an Apple Service Center. You can use the Get Info window in the Finder to give yourself access to your files from another admin account, or boot the iMac in Target Disk Mode and access from a second system.

When I try to log in it goes to the page with Finder in the menu bar and then 2 or 3 seconds later goes straight back to the login page whether or not I click with the mouse or try using the keyboard. We tried changing the password but it makes no difference. My daughter is the administrator so we can log in as her and use the computer but I am unable to access the documents I have under my log in.

Please can you advise how to correct this so I can log on or is there a way to access my documents through her account? I am not that computer literate but have tried searching through the Apple help menus to no avail. Kind Regards Karen. Mac repair guy said… oh you saw the kernel panic before the problem?

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I wasnt aware of what it was called. Now I find out tomorrow how serious the issue I have to pay for is. I still get a grey screen — no logo. One day, it decided not to even give me the POST chime. I said no thanks and went home. This time was no exception. I unplugged everything from the logic board except for the power supply and video connections and hit the power button.


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Sure enough, I got a chime. Began plugging things back in one at a time until I found the culprit. Turned out to be the hard drive temp sensor.

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No expensive logic board replacement, just a little temp sensor board. I sometimes think back and wonder what excuse they would have come up with after a new logic board did nothing to fix the problem. After a week or two new battery is dead. Rather costly to replace battery times a year. Otherwise this old wind tunnel is working perfectly. My OSX shows firmware password screen which i have no idea why it started coming up but i can bypass it sometimes by holding cmd-apple-o-f keys but the keyboard doesnt work..

I tried holding down the alt option to choose a different drive to startup from but nothing happens, so I put in a Snow Leopard disk and now it starts up to a screen telling me to change the batteries in my mouse. Have any ideas?

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My email is namizich gmail. What is going on? I have a Macbook Pro, It has had a new hard drive now, as the old one died, I also apparently have a new motherboard because there is a generic problem with my competer models boards so this was replaced free of charge. My problem now is that when I turn on my compter it takes ages of just freezes showing a world flashing.