Mac boot black screen blinking cursor

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Other benefits of registering an account are subscribing to topics and forums, creating a blog, and having no ads shown anywhere on the site. Click here to Register a free account now! Blinking underscore, black screen! Will not boot or safe mode. Started by att50 , Dec 08 Please log in to reply.

Now, I'm forever stuck with a blinking underscore and a black screen every time I boot my computer. I've tried to run in safe mode, but no luck after endless restarts and spamming f8. I found a very similar post and it proved to give me lots of hope.

Step 2: Boot to Single User mode

After many hours, I was able to download a windows 7 install iso and able to make it bootable on my flash drive. I'm currently able to go to system repair and run command prompt. For a better experience, please enable JavaScript in your browser before proceeding. Previous Next Sort by votes. Feb 12, 50 0 18, 1. If i let it just sit there for maybe 2 minutes, it then goes to the Windows Boot Manager screen and allows me to click on Windows 7 and the it boots perfect.

I've tried installing it twice, same thing.

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Gott the right NVidia drivers installed, makes no difference. A little help? Thanks a lot! Fixed like this: Put the Windows 7 installation disc in the disc drive, and then start your computer. Hold down Option key till all available disks are displayed and select DVD. Press a key when you are prompted. Select a language, a time, a currency, a keyboard or an input method, and then 4.

Black screen blinking cursor! HELP PLEASE

Click Repair your computer. Click the operating system that you want to repair, and then click Next. Type these commands are safe Code: Feb 12, 2 0 18, 0. Hi, i have a macbook pro 17" pre unibody aluminium. Ive got the same problem. I havent tried leaving it for a few minutes to see if it will go onto boot up further yer but when i have gone to use the recovery feature on my windows 7 ultimate install disc volume license my install is detected as vista business edition!?

And consequently it says i cant repair this installation cos its not the right installation. When i use the command prompt to do the bootrec commands the first two report success but the last bcd says there is no windows installation. Anyone know what i could do to resolve this? Some background info: Initially it worked but now its not, although i cant remember if i did something to cause it not to Thanks for your help in advance.

Oct 10, 1 0 18, 0.

HELP! Blinking underscore, black screen! Will not boot or safe mode.

Jan 10, 2 0 18, 0. Jan 23, 1 0 18, 0. Jul 5, 8 0 10, 0. I am trying to fix that blinking cursor issue also. Any tips? Sep 21, 1 0 10, 0.


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Dec 17, 1 0 10, 0. Magnusrm Honorable. Mar 19, 1 0 10, 0. My macbook pro has a faulty dvd rom, so i have installed win 7 by USB. It doesnt pop up on the boot menu when i reboot and hold down option key. How can i repair the windows after it is installed then? My computer gets the black screen for maybe a minute and the fans go berserk. Then i get the log on window and everything is fast. The fans graduatly slows down. Ive got a ssd, so it should be fast Thanks in advance.

May 7, 1 0 10, 0. Zachariah Delventhal Honorable.

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Jul 9, 1 0 10, 0. Jul 28, 1 0 10, 0. Thanks Ptolomy for these commands - helped me out quite a bit!


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As for some of the issues for not having access to the command prompt: Ran into this same issue with the 64 bit version of Windows worked with the 32 bit version My next step if it would not have worked would have been to create a System Repair Disc from my windows installation to use as the boot disc. Good Luck! Guillaume Zachariah Delventhal:. Sep 12, 1 0 10, 0. Jun 16, 1 0 4, 0. Jul 30, 1 0 4, 0. Oct 8, 1 0 4, 0. PeteNZ Reputable. Oct 17, 1 0 4, 0.

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Oct 20, 1 0 4, 0. There are more chances that your system in crash position. So reboot it and install a antivirus. So that next time you will not face these types of problems in future.