Question about Toshiba Satellite A105-S4004 Notebook

2 Answers

Toshiba A-105 Satellite, LCD Screen problem

Hello, 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. Any ideas? Thanks!

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  • Mike Matha Jun 13, 2007

    I cracked the case open again, but all the wires look fine. The problem is getting increasingly worse. I hadn't thought about temperature--I rarely turn the machine off--but that is an idea.

    I will say, though, most of the wiring is trapped underneath plastic that I can't figure out how to remove.

  • Mike Matha Jun 14, 2007

    Hello again,

    I popped the case to check to see if I could get underneath the plastic like you said. But upon further examination, I saw that most of the wiring is not near the motherboard. There is about one inch of wiring that feeds from outside the LCD screen and reaches a port (don't know the technical term) to plug in on the motherboard. It looks like most of the wiring is inside the plastic casing of the screen. However, I have no idea how to open the casing. I can crack open the bottom slightly, but it doesn't seem to want to open beyond that.

    Thanks again.

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2 Answers

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.

Posted on Jul 08, 2007

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  • Master
  • 883 Answers

When you "adjust the angle of the screen", that can only be a faulty electrical connection. Try again at the mainboard connector.

Posted on Jun 04, 2007

  • Marty marty Jun 13, 2007

    Many of these screens use a interlocking plastic shell that requires no screws. You can try softening the plastic slightly with a blow dryer, but be careful not too much heat. Also, look for special round plastic "buttons" that hide the screw under them, then remove the buttons with a jeweler's screwdriver.

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