Dell Inspiron half of the screen is dark

By oli8925
Nov 23, 2012
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  1. Hello,

    I've got a Dell Inspiron 9400.

    For a few years now the left half of the screen is really dark, with the other side normal brightness and a noticeable divide between the two. This only happens when the power supply is plugged in, the screen is fine when running off the battery.

    I remember at the time doing a quick search and reading that it was likely to be a faulty battery, so that was replaced but didn't make a difference. Very few searches come back with an exact match of my situation, but keep seeing to detach the LCD cables and make sure they're in good condition yet haven't seen any success stories.

    Does anyone know the problem?

  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    Does attaching an external monitor show the same problem?
  3. RSwift2328

    RSwift2328 TS Rookie

    I have the same problem with my Dell Inspiron 9400 and it works fine when an external monitor is connected,

    Does anyone have any ideas please
  4. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    Yes the LCD display is bad and it will need to be replaced...

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