Vertical dotted lines running on screen - Programmers Heaven

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Vertical dotted lines running on screen

hi everyone,

the problem i am facing is screen mulfunction. c o l o r e d vertical dotted lines are running on my compaq laptop screen. it just started a week before with just one line which i ignored. then after 2-3 days one more line appeared. next day one more and now 4 lines are there. someone told that lines will go on increasing. what should i do? please help....


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