Toshiba Laptop LCD

By dmohler
Oct 5, 2006
  1. Hello,

    I have a Toshiba laptop Model: Satellite M35X-S149 P/N: PSA72U-00T00U.

    The problem I am having is that the LCD screen has turned white as though only the backlight is functioning. If I plug a monitor into the external VGA port I can get a display on the external monitor.

    Has the LCD gone bad or is there something else I can check before shelling out 700+ dollars?

    I am computer literate and a Avionics Tech so getting into the guts of the computer won't be an issue.

    Thanks in-advance.
  2. Rik

    Rik Banned Posts: 3,814

    The fact that it works fine on an external monitor means that its definitely the screen and not the built in graphics card, but lcd are not easy to diagnose a fault on. I have been experimenting with a faulty lcd monitor just yesterday, i think i have been able to figure out the problem with a logic probe but am waiting on parts to be sure that i have it sussed.
  3. dmohler

    dmohler TS Rookie Topic Starter

    Forgot this on my OP, I have checked the LCD inverter located just under the screen and it is functioning correctly.
  4. Rik

    Rik Banned Posts: 3,814

    Best idea may be to keep a look out on ebay for a second hand laptop or screen that you can use for parts!!!
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