Last year I was watching a video file on my Inspiron n7010. The video froze and the screen turned into a pick and green checkerboard pattern. I shut off the computer, waited, and tried turning it back on only to have a black screen with 8 beeps. I understand this is an LCD failure an requires a screen replacement. I replaced the screen yesterday and it is still black with 8 beeps. If I try holding down the 'D' key and turning it on to test and see solid colors, sometimes it works and sometimes not. What do I need to do to fix my computer?
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