Half of the laptop screen is showing vertical lines.

January 2, 2013 at 20:42:15
Specs: Windows XP
The bottom half of my laptop screen is showing vertical lines, whilst the top half is working fine. For example, on the internet, you can only see things like the web address. It is a Sony VAIO laptop and I have been using it for a few years.

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January 3, 2013 at 03:11:33
If the image on external monitor is clear then the screen or the cable is bad.

You know the real meaning of peace only if you have been through the war.

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January 3, 2013 at 14:35:24
Plug in an external monitor to check the GPU. If it works that leaves the other alternatives.

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January 3, 2013 at 14:51:28
as already suggested, plug in an external monitor and if same image present there (bottom half screen as you describe it to be now) then the laptop's graphics card has likely failed to some degree.

If the external display is OK... it is unlikely to be the graphics card; and thus it's likely the laptop display has a fault itself. Very remote possibility the interconnect between the laptop screen and the motherboard has a fault...; never known that to happen...

Also have you per chance managed to knock or hit the screen in any way - with anything that might have in effect "bruised it". With plasma displays (tv sets and monitors various) that is a common problem - if you hit them the wrong way... the screen either appears to have fractured - like a car windscreen if hit by a stone or in a crash. Picture will be all in bits as it were; and sometimes even parts of the screen will just be a few random lines here and there... Not sure about tft displays; (as in many a laptop) but suspect they may respond much like plasma screens?

I doubt this is the case for you just now.. but then who knows?

Try the external monitor test first.

If it is the laptop display - external display is OK when tested - (and thus not likely the graphics card), and the laptop ins't too olde... you may be able secure/obtain a replacement display from Sony - even better via the the web (eBay etc...) Then you have to get it installed correctly...

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