Mac black screen white line

Nothing was active. After turn it on again the problem started. It is the keyboard key that has the Apple logo on it a curly thing. It is the key next to the space bar. This worked! I tried so many things, thank you so much! Dont know if it matters, but I found it helped when it was plugged in! I have this problem with white screen on both my iMac and Mac pro.

I have tried everything! This problem must be software related! It is not possible that both my mac computers go white… It must be something corrupt with the latest updates from Apple.

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I got it working one time when rebooting it with my Applications install disc but that was the only time. My Mac pro starts up with white screen but I realized when I push the DVD out when I hear the starting sound the Apple logo appears and the computer is loading and It works! So after having this problem for months and tried everything possible I now understand it has to be software related! I have also checked for Virus but nothing. Read my comment I wrote today. It might be because of disk rights. I though also it might be software related as my osx snowleopard worked without update!

After update it didnt start but instead stopped on starting with white screen after apple logo. I installed osx again on the first part of the disk as I had partition split in G and G. Dont know if that really matters but you hard drive rights must be checked and fixed with disk utility. I get the same issue as well!! It worked perfectly well this morning, then it suddenly turned itself off!! When I tried to turn it back on, that bloody white screen appeared. Please help. Hi there, I have a MAc, desktop, worked fine until it started to freeze, shuts down then restarts again.

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I am running El-Capitan, not sure of the version. Thanks so much for the detailed methods of getting rid of this problem. You pointed out each step clearly, so I knew what to look for. Other explanations omitted when to press and release keys. Thank you. Wooowwwww this is totally helpful! I tried the steps one by one until the 4th step.. I got macbook late. I got so little space in my hard drive that I decided to undo partition of the disk. First I had to verify disk.

That lead me into trouble as it could not be accomplished as there was some trouble. Therefore I could not finish repair either as the hd must be checked first. So I tried all kind of tricks but it went worse. My first problem was that I had my hd in 2 parts. I tried to combine them but could not because of I had not enough space in my boot section. So I took backup. Then installed osx snowleopard to the latter part of hd. Then I got white screen after I reinstalled snow leopard.

It worked in safe mode, shift pressed upon start. But none of these tips didnt work for me. What I did with disk utility was I checked disk rights and fixed them.

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  • After that I wiped first part of hd and reinstalled snowleopard to the first and bigger part of my hd. Then I activated firewall and updated osx before anything. It worked fine. I have a ? Version that will load to the end of the progress bar and stop. I found the utilities box. I tried all possilitities and I am on my final try by reloading a copy of OS. It is checking with Apple….

    My work has been saved! Mine will not go past the white screen. I have a late i7 and I have no clue what to do. My whole life is on this computer. I have tried all the steps listed above and still have nothing but a while screen with the apple logo and wheel of death. I have a mid iMac. So I found these instructions to hopefully fix the problem. Here you say repair. My options are first aid, erase, restore, unmount, and info.

    So I am assuming first aid! No repair word option. Removing the hdd cable allows you to access the select disk screen, then allows you to permanently change the boot order i. It took me hours and hours of looking for solutions before I found that link, and it helped enormously. My computer will not shut down as well since install from Nov,4 I have tried everything. This is unacceptable. So…any more suggestions? No disk utility or anything else.

    How To Fix Mac White Screen

    Same results. Please help!!! Finally, I unplugged the power cord and turned on the the blank screen and let the battery run down completely. I plugged it back in on the power source, and within 1 hours, the computer came on by itself.. I have seen others with similar experience, so this was not an original idea. I have a Macpro. Thank you!

    Mac White Screen? How to Fix a White Screen on Boot

    Rebooting in safe mode per your instructions seems to have fixed my MacBook Air. Much relief versus taking it to Apple Store out of warranty.

    Thank you again for kindly providing this information. I would kiss you if I could! I have seen this happen a couple of times. After a little trial and error and wiggling the mouse around the screen I noticed that the cursor would change to the text symbol instead of the arrow right in the middle of the screen. After about 10 minutes it rebooted and everything was gravy. So long story short, if you get a white screen, try to enter your login credentials and see what happens. I have been having a similar problem.

    White screen comes on, and then a file folder with a question mark appears and is flashing. I have tried the fixes above, with no success. I found internet recovery mode! Try it out: I need help with my MacBook Pro. Please someone tell me what to do. Step 1: Step 2: I booted into safe mode and erased disk, then restarted into safe mode reinstalled OS X on wi-fi and restarted. I turned off and back on and still WSOD.

    Step 4: Does anyone know anything else I can try? The result was the same every time, white screen with fans high until I forced shutdown. Nothing worked and I spent half a day tearing my hair out. Eventually I gave up and went to bed.

    Black screen with flashing white line on the top left | Tom's Hardware Forum

    JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Previous Next Sort by votes. Feb 12, 24 0 4, 0. So a couple days ago I turned my pc off and I went out for a bit and when I came back home my pc was on so pressed the power off button and it wasn't turning off like it used to so I held it.

    The morning after I tried turning it on and it just gives me a black screen with a little line on the top left corner of my screen My specs are: Ik 16gb ram Gtx ti watt psu. Jan 28, 79 0 4, 4. Also you can run chkdsk from command prompts etc. That direction would be a good start. Barty Titan Moderator. Apr 16, 16, 18 83, 3, Which OS do you have? I forget exactly what it does, but it should get you to a repair option. If so, and you get through to Windows - make a backup immediately incase it is a failing HDD. Did you do the 'in place' upgrade within Windows? Or did you create a bootable USB of W10?

    Wwindows 10 help and support has a program you can download to a usb drive that you can boot off of to repair. You must log in or register to reply here.