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MacBook Pro Freezes & Vertical Lines Appear

Hi!

 

I own a MacBook Pro and starting today, it would freeze, the screen would turn peach with gray lines. The first time it happened was a few hours ago, and then now. I don’t know if this is something I should be hugely concerned about. It is noteworthy that it had completely crashed in December 2014, and I actually had a new Hard Drive put in. Prior to that my MacBook Pro was working very fine.

 

As for troubleshooting, I put it in Single User Mode  and when the command line prompt appeared, I typed in Fsck – fy. I did this 2 times until the prompt said ok. That didnt work. The second thing I did was reset the NVRAM/PRAM. And that has worked both times. I don’t think it’s something I should be doing over and over again. I worry I will have to. (All this techie things I had to google, I am way out of my element and would appreciate any help).

 

This is what it looks like before it freezes, or shuts down.

 

Image may be NSFW.
Clik here to view.
MacBook Pro Freezes & Vertical Lines Appear

 

Details About my MacBook Pro

-Purchased in 2011

Processor  2.2 GHz Intel Core i7

Memory  4 GB 1333 MHz DDR3

Graphics  Intel HD Graphics 3000 384 MB

Software  OS X 10.9.5 (13F1507)

 

If anyone has had a similar experience or maybe knows what may be causing this, I would really really appreciate some feedback.

 

Sincerely,

Mariane


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