Late 2011 MB Pros, Black screen and cursor, no login

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Hi,

This morning I opened my "LATE 2012" MB pro from overnight sleep to a black screen and the cursor, pressing any buttons results in the "thud" chime. The Volume and Brightness buttons work.

I googled the problem but found only info regarding the MBA from a few years ago. I shut the MB down, waited and turned it back on. Starts up fine then same black screen instead of login window.

I restarted again this time in Disk utilities mode, the HD is ok according to that. So now I'm reinstalling Mavericks in hope of a fix. But it says it will take 19 hours.

I haven't done the latest update yet if that helps.

Is there anything I can do? That's faster than reinstalling?

Thanks

Edit: I don't have a back up for this HD. Is there a way to copy two folders from my desktop to a USB stick?
 

Slydude

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Not sure this will fix the problem but applying the combo update would probably be faster than re-installing.

As far as copying the two folders from the desktop to a stick. You should be able to insert the stick, and drag the folders to the stick. If the roles don't copy do a Get Info on the stick to make sure it isn't formatted NTFS.

You may need to go to Finder Preferences>General and make sure external disks are checked to appear on the desktop.
 

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