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black horizontal line increasing on display

HP Recommended
hp 841 G1 i7
Microsoft Windows 7 (64-bit)

hi the black horizontal line started appearing on my laptop since last week, its increasing,

what could be the problem & how do i solve this problemDisplay Snapshot.jpeg,

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Looks like a defective Display Panel, probable physical damage.


If that is an 840 G1 Non-Touch then it is easy to replace. (and a lot cheaper than a Touch Screen).


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