I've had the A-105 for about a year. Recently the LCD screen has started to flicker--when it's at its worst, it goes completely white. I've taken it apart to check the wiring and see if if a connection was loose or if a wire had gone bad but that doesn't seem to be the case.
When the screen starts to act up, if I press my thumbs against the plastic near the bottom of the screen or just adjust the angle of the screen, it goes back to normal but the solution is only temporary.
Are you crazy, A HAIRDRYER! there are screws under the rubber sticky pads. When your LCD fails for apparently no reason there is a voltage converter similar to the balast on a flourescent light usually under the LCD screen not behind it. The next time your LCD goes out shine a flashlight at it. If you see a faint image there is no power to the backlight of the LCD. Also check your lid switch, and in windows under the power settings you can tell it to do nothing when the lid is closed as a work around to a bad switch.
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Your Bulb is DUE, you need to change it, Don't do it your self contains mercury. Your LCD is good IF you do not have bad PIXELS. This white and pink lines shows as pixel problem but it migth also short on LCD, if you placed something heavy on Laptop. You may remove and sent the LCD for repair or all laptop to tech.
You may also need to check inverter. I give service around the Country but it is up to you. My company name is JMC TECHS INC. Registered in Miami Florida. (Check SUNBIZ.com) [email protected] if you like to contact me.
on the back of the LCD is a cable that goes from there to the Motherboard. Try reseating that cable on both ends. If that doesn't fix it then it has to be a problem with either the screen or the cable behind the screen.
If you've replaced the LCD Panel already, then chances are good, the failing part may be the FLR inverter. It's a thin little chip about 3 or 4 inches in length that bridges the connection between the LCD and the motherboard. It's location varies from computer to computer though, so you may have to check with manufacturer documentation. They're not too terribly expensive to replace though, much cheaper than the LCD panel, anyways.
From Toshiba Manual: "Over a period of time, and depending on the usage of the computer, the brightness of the LCD Screen will deteriorate. This is an intrinsic characteristic of LCD technology. Screen will dim when the computer is operated on battery power and you may not be able to increase the brightness of the screen." Try pushing Screen contrast to Max when on AC charger connected. Allow several hours charging battery with PC off. If battery does not completle charge Or if older than 3 years CHANGE it.
what i recommend you to test is to press behind your monitor and see that the line goes off or not.If it does..that mean you have a loose connection,it can be fix.Incase no then you have problem with your LCD.Normally if its LCD problem then you fix this problem,all you have to do is change the LCD.