blackened screen 2

cornel panceac cpanceac at
Mon Sep 9 19:58:31 UTC 2013

2013/9/9 Kevin Martin <ktmdms at>

> On 09/09/13 13:31, Richard Vickery wrote:
> > Hi gang:
> >
> > I'm on F20. The only way I get a screen that anyone can see is not by
> > using the portable computer's screen, but plugging it into another
> > screen. I tried going into the "Power" control but it's already on
> > maximum brightness. Any Ideas on how else I might try to fix it?
> >
> > Thanks,
> >
> > Richard
> >
> Y'know, I just had this problem with an HP laptop and had to replace the
> screen.  I could *barely* see that the screen had something
> on it if I shined a flashlight on it at different angles.  It turned out
> to be a bad screen.  FWIW, this was with Knoppix but the
> screen was definitely bad.  Screens on laptops are fairly easy to replace,
> FWIW.  Lots of videos on how to do it and the screens
> tend to be < $100.
> Otherwise, I couldn't tell you what might be happening.
> Good luck.
> Kevin

another idea: could it be you have an (intel) adapter that 'thinks' you
have two displays, and instead you only have one? i mean, the background is
black both on portable's display and on external display?
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