I have HP DV7-1130US and is getting vertical blue lines on some colors... When it boots up, the black background is all small Blue vertical lines..Output to other monitor/TV show normal picture... Opened up screen and tighten the video cable on card side & LCD side but still the same problem..All SOLID color show in color pallette show blue vertical lines..
Check your Resolution, maybe you've exceeded what is acceptable for your display card? Have you used plugins that might be starting at startup? Update or correct your Display in Control Panel > Device Manager. If you see an opened entry, try to address all issues like it. Some services rely on others. You might want to try "Autoruns" to see EVERYTHING that MSConfig & Services.msc don't show you as 'startups'
The actuall screen LCD is bad.
in most cases.
supper common failure.. 2008 PC.
see page 31 , part 5 here. bingo, change that out.
there are 2 types used, only your full PC part number on
the service tag show this, post that and we go to the HP parts surfer and look it up.
http://h10032.www1.hp.com/ctg/Manual/c01918142
SOURCE: Blank white lcd
Yes, it could very well be a dead LCD unit. I have a LCD in a laptop in the office that has a nasty line running down through the entire screen. We contacted someone about replacing just the LCD portion of it and they said - don't bother. They said it would be more prudent to wait until it dies, and then upgrade to a new computer. It is the nature of the LCD units themselves, when they give up the ghost they give up the ghost.
The fact that you can see everything fine on an external monitor shows that you have lost your LCD. The odds of the cable inside the machine going bad are minimal/tiny to say the least. If they were exposed cables such that they could get crimped, then possibly that could be the culprit. With them being routed inside the unit, it is almost impossible for them to get pinched.
The only other option, and this only works if your machine is still under warranty, is to have HP fix it as part of your machines warranty. BUT, not all warranties cover the screen anyhow. The laptops I have bought required me to purchase insurance on the screen itself.
So, you'll have to determine if you can manage with the external monitor all the time or if you need a new laptop.
Sorry it is not good news for you.
SOURCE: hp pavilion dv9700t black screen with colored lines
Well the first thing I would try is to hook the computer up to an external monitor to check and see if the video controller itself is causing the problem.... If the same thing happens on the external monitor, then it's the controller hardware or the driver.... so to rule out the driver, download a different version of the driver for that card and install it. If the same thing still happens, then you should suspect the card itself, and yes, on a laptop the video card is integrated on the motherboard, so if it needs replacing, then you must swap the whole board. Hope this helps!
SOURCE: hp nx9600 laptop screen has a wide solid black vertical line
To resolve the issue will require replaceing the LCD. Many are available on EBay
http://shop.ebay.com/?_from=R40&_trksid=p3907.m38.l1313&_nkw=nx9600+lcd&_sacat=See-All-Categories
SOURCE: HI, Thick white vertical line on screen
your lcd screen damaged.u need to replace it with new.
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