replaced LCD Panel->Now display is all white

Archived from groups: comp.sys.laptops (More info?)

jack brown wrote:
> Hi folks. Heavy hardware hacking question here. I replaced the LCD
> panel on an old Sony 505tr laptop with what seemed to be an identical
> panel from another dead sony (not sure if it was exactly the same
> model, but the panel looks the same from the outside.
>
> In fact, to start with, I just put the whole display unit on without
> even removing the LCD panel from its backing.
>
> Now when the laptop boots, the panel comes on but displays all white,
> no text at all. All the connectors looked the same on the "new" and
> old display panels, but there's definitely something wrong.
> Anyone have a clue what's going on here?

The LCD cable is the first item to check. The LCD will be white when
there is no signal to the panel.

Q

Archived from groups: comp.sys.laptops (More info?)

"jack brown" <jackbrown@gmail.com> wrote:
>Okay, I will pull it apart and see if there's an obvious problem with
>the cable. Any other suggestions from anybody?

Besides "ensure that it's exactly the same model of computer or a
compatible screen" which you don't seem to have done, I can't think of
anything else...

Archived from groups: comp.sys.laptops (More info?)

Video cable could be bad. Could be misaligned, Or the screen is no good.