have you tried hooking up an external display? that can narrow down the possibilities, display or logic board. I've never heard of a bad HDD causing display issues, but have had broken, pinched cables, bad logic board. bad screen, but not a bad HDD causing it. try the external display & tell me the results
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Have you tried hooking up an external display? That can narrow down the possibilities, display or logic board. I've never heard of a bad HDD causing display issues, but have had broken, pinched cables, bad logic board. bad screen, but not a bad HDD causing it. try the external display & tell me the results
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=== Update (09/07/2016) ===
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It sounds like a bad video chip. I’ve had that happen twice and both times it was a bad video chip. I used eBay to find a company that specializes in repairing boards with that problem and both times it worked fine after that.
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It sounds like a bad video chip. I’ve had that happen twice and both times it was a bad video chip. I used eBay to find a company that specializes in repairing boards with that problem and both times it worked fine after that. But do try and inspect for loose or damaged cables first.
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But do try and inspect for loose or damaged cables first.
have you tried hooking up an external display? that can narrow down the possibilities, display or logic board. I've never heard of a bad HDD causing display issues, but have had broken, pinched cables, bad logic board. bad screen, but not a bad HDD causing it. try the external display & tell me the results
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+
=== Update (09/07/2016) ===
+
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It sounds like a bad video chip. I’ve had that happen twice and both times it was a bad video chip. I used eBay to find a company that specializes in repairing boards with that problem and both times it worked fine after that. But do try and inspect for loose or damaged cables first.
have you tried hooking up an external display? that can narrow down the possibilities, display or logic board. I've never heard of a bad HDD causing display issues, but have had broken, pinched cables, bad logic board. bad screen, but not a bad HDD causing it. try the external display & tell me the results