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Re: Matrix Style Lines
Yes, this could be a property value set in your display. Go to Control Panel, Display and hunt through your display adapter's advanced settings and see if there is a check box for display grid and turn that off.
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disconnect all the cables except the power cable and then turn the monitor on you would see a test screen if it still happens your monitor is faulty and better buy a new one as repairing is usually expensive .
Just want to know if the lines only appear in windows? try booting in bios setup check if the lines still appears. if not then uninstall the video driver then install latest version. if the lines appeared in all occasion then test laptop using an external monitor toggling the display Fn + F8 if no lines in external monitor replace you laptop lcd panel and lcd cable + inverter. if the line appeared in external monitor replace the mobo or video card.
Are these lines on the screen during the whole boot process? If so then the screen cpu and/or the video cpu has gone bad. Connect an external monitor. If the picture is clear, no lines, then the problem is the LCD screen. If the lines appear on the external monitor during the boot process then the mother board will need replacement.
This may be caused by the death of a display driver circuit and these might be integrated with the display itself.
The pixels on the screen are controlled by an X-Y matrix and the matrix may have signal lines that are somewhat shared for different screen positions.
I doubt that this is DIY project and the failure can only be located by an equipped and trained tech.
Some of the many connections to the TFT screen panel matrix itself have have either been damaged or have decayed. These tiny connections are bonded along the edges of panel and are not viably serviceable. The most common causes are impact, stress (twisting) and condensation/moisture ingress. A replacement screen panel is needed.