"John Williamson" <johnwilliamson@xxxxxxxxxxxxxx> wrote in message
> Andy wrote:
>> I think you are right I don't think its just the cable. Funny if its the
>> LCD panel with a solid line like that because I would expect faults on
>> an LCD panel to have just loads of pixels gone or totally blank screen
>> all together rather than a solid vertical line like that.
> As I understand it, the signal goes from the display card through a
> multiplexed parallel bus cable ( 16 bit wide from the look of the one on a
> Portege of the same age) to the LCD unit, where the individual pixels are
> addessed by row & column by the internal display drive circuitry, more or
> less as a mapped memory space. A stuck drive transistor or three on the
> column addressing would give exactly these symptoms, as would a problem
> with the connection internal to the display unit between the actual LCD &
> it's support circuitry.
> Just a thought. It doesn't help with the cost of a new panel, I know....
> Tciao for Now!
I have the screen in bits now in front of me on my lap!! - I am going to try
unplugging and plugging back in a few cables at the back of the panel. There
is a lot of references to High Voltages!