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When you view the images on a computer screen, do the lines show up
then ? Try printing some photos off and examining them again as well. It
may be some of the pixels in the LCD screen have gone bad, or it may be
that your sensor is quitting.
Hi,it seems you are experimenting a light engine problem.This is how your tv works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo So basically the 3 Lcd chips that create the colors and image are going bad and that is why you get that color discoloration.Contact Sony or look for your light engine online.God bless you and your house!
Can you hear sound playing as if it were loading the Windows desktop? If so, there are are a few things to check for:
Look VERY closely at the screen once the laptop is on. Can you make out very faint images? They will be hard to see and it's best to be in a well lit area at the time. If you do see images, then the backlight on your LCD screen has gone out. You will need a new LCD most likely.
If you don't see any image at all, try plugging an external monitor into the laptop and booting up the laptop. If you see an image on the external monitor but not the LCD, then you may have a bad inverter/cable/LCD.
If you cannot get an image on the external monitor either, then your video card may be bad. Considering that a lot of laptop video cards are built-in to the motherboard, you may be looking at having to replace the motherboard of the laptop (about 2/3rds the cost of the laptop).
There may be other problems at hand, but those are the most common I've found in this type of situation.
Please read the WHOLE of this guide before starting.Software Method
Try running pixel fixing software. Stuck pixels can often be re-energized by rapidly turning them on and off. If this fails, complete the following steps.
Turn off your computer's monitor.
Get yourself a damp washcloth, so that you don't scratch your screen.
Take a household pen, pencil, screwdriver, or some other sort of instrument with a focused, but relatively dull, point. A very good tool would be a PDA stylus.
Fold the washcloth to make sure you don't accidentally puncture it and scratch the screen.
Apply pressure through the folded washcloth with the instrument to exactly where the stuck pixel is. Try not to put pressure anywhere else, as this may make more stuck pixels.
While applying pressure, turn on your computer and screen.
Remove pressure and the stuck pixel should be gone. This works as the liquid in the liquid crystal has not spread into each little pixel. This liquid is used with the backlight on your monitor, allowing different amounts of light through, which creates the different colors.
Turn on the computer and LCD screen.
Display a black image, which will show the stuck pixel very clearly against the background. (It is very important that you are showing a black image and not just a blank signal, as you need the backlighting of the LCD to be illuminating the back of the panel).
Find a pen with a rounded end. A Sharpie marker with the cap on should be fine for this.
Use the rounded end of the pen to gently tap where the stuck pixel is - not too hard to start with, just enough to see a quick white glow under the point of contact. If you didn't see a white glow, then you didn't tap hard enough, so use just slightly more pressure this time.
Start tapping gently. Increase the pressure on the taps gradually for 5-10 taps until the pixel rights itself.
Display a white image (an empty text document is good for this) to verify that you haven't accidentally caused more damage than you fixed.
If the pressure and tapping don't work directly on the stuck pixel, start moving outward around the stuck pixel. If you see the pixel flicker while doing this then you know where you can focus the pressure and tapping techniques rather than directly on the pixel.
Many people report success with this technique but these instructions won't work in every case. It may take a few attempts to make sure you are pressing exactly on the stuck pixel.
These instructions will fix "stuck" pixels, not "dead" ones. Dead pixels appear black while stuck pixels can be one constant color like red, blue or green.
An alternative, but similar technique involves gently massaging the stuck pixel with a warm damp (not wet) soft cloth.
Alternative technique to tapping: Using a rounded pencil eraser, push with moderate pressure into screen at stuck pixel.
If these instructions don't work, you can hopefully get the monitor replaced through your manufacturer. If your monitor falls under the specifications of replacement, get in contact with the manufacturer to set up replacement plans.
Do not attempt to open the monitor as it will void the warranty and the manufacturer will not replace it.
Make sure you don't get any electrical equipment wet or it may break.
Some people claim that touching the screen can cause more pixels to become stuck, although this has not been proven.
Be prepared to suffer a complete loss; you may crack the glass when tapping or putting pressure on an LCD assembly.
**Rytech assumes no responsibility if you cause futher damage to your product whilst following this guide. If in doubt, contact authorised service personell**
TFTs can produce a wide array of colors, but it takes an enormous
number of transistors to make up a display, and a problem with any one
of them creates a defective pixel on the screen. Typically this shows
up as a bright spot on a dark background, caused by a damaged TFT
failing to turn off a pixel. Most active matrix displays contain a few
bad pixels, but a few bad pixels are not going to have much of an
impact on the overall picture.
The properties of
liquid crystal material can create problems with viewing angle effects,
causing the image to darken, disappear, or reverse the dark and light
tones when the viewer is not directly in front of the display (kind of
like looking at the negative of a photo). The light bulbs make LCDs
heavier than the plasma TVs (though they are still lightweights
compared to CRT televisions.
Benefits of LCD TVs
include a picture that can't burn in and doesn't deteriorate over time.
Because of their flat-panel nature, placement options are plentiful,
optimizing the cool factor over standard TVs