How to fix a broken laptop screen?

Posted on 2010-01-07
Last Modified: 2013-11-17
I have a Toshiba P200-17C, the screen on which does not fully display. The top one third is viewable, the middle third will usually show a black area unless I squeeze the screen, in which case, you can see a 'ghost image' underneath, but when going from the top third to the middle third, even in 'ghost mode', you cannot see the mouse pointer. The bottom third is entirely black. I have tried to reinstall the driver, so can now only assume that the screen itself or some sort of connector is broken. What is the best way of fixing this?
Question by:peter2407
    LVL 21

    Accepted Solution

    have you hooked the machine to an external monitor to ensure it is indeed the screen and not a video problem?

    Author Comment

    Hi Silemone - yes, I am now using the machine on an external monitor.
    LVL 7

    Assisted Solution

    it seems that your lcd pannel is broken. not really hard to change, find a replacement part on ebay and 8 screws after, the lcd is brand new.
    LVL 21

    Assisted Solution

    yep, doesn't sound like a drivers problem...seems there's a crack in the screen...maybe slight...but either way, it sounds like the screen has to be replaced...

    1st) tap where the inverter is to ensure its seated properly...if the screen clears up or changes, the seating of the inverter was incorrect.. reseat
    2nd) check wiring harness from inverter to lcd  ... buy new harness
    3rd) buy new inverter...9.99 on ebay

    but i really believe the issue will only be fixed by replacing the screen from the symptoms..
    LVL 21

    Assisted Solution

    oh, the laptops brand new?  get a replacement laptop...if the lcd is brand new, then try greg's solution...
    but if you just bought the lcd, then be warned, they have return dates limits and some sellers will say if not installed by a professional, the user is liable for the screen not working properly and will not accept it back..
    LVL 12

    Assisted Solution

    Output of the video from the graphic card is okie. As explained by silemone there
    no need to install any drivers.
    >>the middle third will usually show a black area unless I squeeze the screen,>>
    That observation tells that there is a loose connection of the video cable to the LCD.

    If the connection is found to be good then the display could be an issue.

    Before getting a new LCD
    1) I would reset the video cable from mother board to the LCD.
    2) Make sure the video cable to the LCD side is fixed properly.

    How to change  LCD panel

    LVL 32

    Assisted Solution

    If there is a banding in the image (black sections across the screen) and it reacts to a squeeze on the edge, then there is damage to the mylex edge connector along the edge of the lcd panel. This can only be fixed by replacing the lcd panel.

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