Question about HP Pavilion a1130n (PX769AA) PC Desktop
My desktop computer gives me a white screen with horizontal lines at start up or after I've been using it for a while. Has been doing this some times now but wasn't happening very often. I'd would just have to reboot but now it seems to be happening more frequently.
Carefully give your monitor a quick slap on the top or side, NOT like you would hit an assailent, but more like you would hit your brother if you were kidding around with him. If you get a positive outcome from the slap, you have located your problem.
I'm assuming a CRT type of monitor. Probably the monitor has either a bad connection inside it or is simply dying from old age. Vertical Deflection grids supply voltage so that screen stays full top to bottom. If the output of the VDG is abnormal or missing, you will experience the horizontal line across the screen.. Unlikely to be the video card on the computer, generally speaking intermintency is not a common problem with video adapters, not to say that it couldn't happen,
Posted on Sep 01, 2008
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Posted on Jan 02, 2017
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