[argyllcms] Re: Can I calibrate crap?

On Mon, 2009-04-27 at 17:58 +0200, Pascal de Bruijn wrote:
> On Mon, Apr 27, 2009 at 3:51 PM, Stephen T <stwebvanuatu@xxxxxxxxxxxx> wrote:
> > I have a fairly new laptop with LED backlit LCD.
> >
> > I think my problem in calibration and profiling is a high black level, about
> > 3 cd/m2. Contrast-ratio is poor even though brightness is pretty good, 112
> > cd/m2 at less than max backlight.
> > Before calibration my LCD has a distinct blueish cast.
> >
> > After calibration with -gs option only the native WP is a bit warm and
> > contrast a bit flat.
> > Trying to force WP to 6500 results in a sick greenish-yellowish colour cast.
> > Using -f1.0 gives a contrasty look but kills the shadow detail, -f0.5 is
> > better.
> > Red in a test image looks orangeish, with or without calibration. Profiling
> > corrects colors but everything comes out oversaturated.
> >
> > Any tips on calibrating crap LCDs would be appreciated. I have tried
> > this before on an old Dell and gave up. I thought a new laptop would behave
> > better. I have also calibrated an old CRT and that was easy enough.
> 
> Hi,
> 
> Although I need to revise part of the text of my following post, the
> procedure has
> worked wonders for my crappy HP 6730s laptop screen:
> 
> http://blog.pcode.nl/2009/01/color-profiling-your-screen
> 
> As you might notice, I'm sticking with the screens native whitepoint.
> 
> Regards,
> Pascal de Bruijn
> 

One thing I don't  understand about the original question.   I'm
surprised to hear of a laptop with an LED backlit display.   It would
seem surprising for a manufacturer to produce a `carappy' such display.

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