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Bottom half of screen sometimes black or bad video

Bottom half of screen sometimes black or vertical lines in differnt colors graphics garbled or next day is fine,is lcd going bad?

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  • Anonymous Mar 20, 2014

    if the screen problem?graphics no i changed the motherboard

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Probably you have to change your resolution settings and what type of operating system are you using?? or you have to get your computer checked out by a professional to be safe.

Posted on Apr 20, 2009

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Posted on Jan 02, 2017

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My LCD TV has a vertical line on the right side of the screen. What causes that?


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Jan 26, 2016 | Televison & Video

1 Answer

Only half the screen is working, the other half is vertical lines of various colors. its a 2006 nexus 4701 hdtv


Hello,

All Plasma and LCD ts have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken.
Hoping this will helpout

May 13, 2011 | Televison & Video

1 Answer

Colored vertical line on half the screen.


Hello,

All plasma an LCD TV have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken if you decide to tinker with em, the usually have lift locks that release them, but it is very easy to wreck em.

Good luck.



Aug 15, 2010 | Toshiba REGZA 52RV530U LCD TV

1 Answer

I have a 5 yr old Samsung HP-R5012 Plasma Display Television. A display model. Last night, horizontal lines appeared, then, the top half of the screen went black, with color pink and blue surrounding the...


Hello,

All plasma an lcd TV have boards that control vertical and horizontal output to their respective areas. They are connected to the screen by ribbon cables. If one of these boards fails all together, has a failed chip, a bad connection, or a bad ground somewhere it will result in a black line in the area of that board. A bad ribbon cable connection on the bottom will result in a vertical black bar though the screen. Many times resetting the connection will fix it, if the ribbon cable has been nicked there could be a severed connection. They an sometimes be fixed, but it is a pain. An yes I have done it, but the bar is gone. The same will happen if the chip that outputs to that area opens. The connectors are the first place to look paying close attention to the cable, they are extremely delicate so great care must be taken if you decide to tinker with em, the usually have lift locks that release them, but it is very easy to wreck em.

Good luck.



Aug 11, 2010 | Samsung HP-R4262 42 in. Plasma Television

1 Answer

Horizontal color line across the screen


Most likely a bad Vertical IC or bad connections on the vertical IC. don't continue trying it on. If you have a bad connection it could do more damage. You also could damage the CRT ( picture tube ). If you remove the cover and look at the bottom side of the PC bord with a good magnifiing glass you may see what looks like rings around the leads comming from the Vertical IC. The Vertical IC is mounted on a heat sink usually towards the front of the set looking from back. If you do see the rings around the leads try reheating with a solder iron. If this dosen't fix you most likely need a new IC.

Apr 15, 2009 | Televison & Video

1 Answer

Screen is half picture and half black with vertical colored lines


I had the same issue. I could get the tv to work intermittantly by pressing on the boards while playing. This points to bad solder joint, so I resoldered every molex plug connector, and it nows works like a charm.

Apr 06, 2009 | Vizio P2 42 in. HD-Ready Plasma Television

1 Answer

IBM A31 2652 Video garbled video at boot


This is very possibly a hardware problem, namely a crack in the motherboard. Sorry, no easy or cheap fix for it if that's the case.

Feb 18, 2009 | IBM ThinkPad T42 Notebook

1 Answer

IBM A31 2652 Video garbled video at boot


update monitor driver
your screen may be going
how old is the system

Jan 26, 2009 | IBM ThinkPad A31 Notebook

1 Answer

IBM Laptop A31 2652 Garbled video even at initial boot screen


Connect an external monitor to the laptop, power up the monitor first and then bootup the laptop. The Windows image will automatically divert to the external monitor.
If the images is OK then the video card is OK.
From the description of the fault, it indicates that the fault could be a faulty video cable or video connector. Try reseating the video cable/connector on the motherboard.
Get back to me if you still have problems together with any error messages etc.

Jan 25, 2009 | HP Compaq Presario F750US

1 Answer

Blank screen or vertical colored lines on monitor


sounds like a graphics card failing

is it on board graphics ?

if so try a graphics card in there see if that helps it

also if you could borrow a monitor and see if that helps

its either one or the other and is a process of elimination

Mar 24, 2008 | Gateway Profile 4 All In One (MPN...

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