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Monitor suddenly goes black with alternating horizonal lines, some thin some wide. Shut off for a while and now the picture is very washed out.


Answers :

There are 2 parts involved in horizontal lines. videocard and LCD. if this is a desktop just diconnect the data cable from computer and check if the LCD self test will appear also check if you still see the lines, if lines are not visible in the self test definitely its your videocard taht you need to replace.
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