Mac does not start up
At first my mac was having some issues with video. I would go to youtube and the screen would start to get boxy and distort until the computer froze completely.
I then had to shutdown the computer by holding in the power button. Now when I try to start it back up, it getss past the grey screen with the apple logo and the spinning cog, but when it the blue screen that follows it freezes up completely and never boots.
I think it may be a graphics issue but I not sure. Any suggestions would be helpful.
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