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Display fading dark if dark windows displayed

October 6, 2009 at 11:20:09
Specs: Windows 7, i7 920/6GB

I don't know if this is something that is built
into Windows 7 or what the deal is. Whenever
I have something displayed on the screen with
a black or dark background, the display fades
darker. The bigger or darker it is the darker
my display fades. Here are some examples:

I had the desktop background set to solid
black and I could barely make out the toolbar.
When I opened the Task Manager, (a small
window with a white background,) the screen
lighted up some. When I opened Internet
Explorer, the screen lighted all the way. If
Explorer is minimized, it fades dark again.

It seems to be a software setting that is
automatically adjusting the display brightness
depending on how bright the contents of the
display are.

Does anyone know what would do this? It is
really annoying. Thanks!

Nathan

Here is by hardware:
MOBO: ASUS P6T Deluxe V2
CPU: Intel Core i7 920
GPU: XFX GeForce 9800 GT 512MB
Mem: CORSAIR XMS3 6GB
PS: CORSAIR CMPSU-650TX
HDD: SAMSUNG Spinpoint F3 HD103SJ 1TB
Case: Antec Nine Hundred


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#1
October 6, 2009 at 18:19:11

Since you have a desktop, my guess is your monitor. Do it support the adaptive brightness adjustment feature?

Windows 7 News!


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#2
October 6, 2009 at 18:32:00

What is the Adaptive Brightness Adjustment Feature? I have a SAMSUNG 2233SW 21.5 in monitor.

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#3
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#4
October 25, 2009 at 10:25:58

I went through the whole adaptive brightness thing, but I still have
the same issue.It seems to only be a way to calibrate your
brightness/color, but didn't mention it fading dark when the
screen contained dark images. This only makes dark images
even harder to see. Do you have any other ideas as to what this
could be?

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#5
December 6, 2009 at 12:46:40

Hi, I have the same issue. I realised this started happen just after I ran through the colour adjustment settings. I did not change anything just clicked on "next" several times, but still it seems the colour management changed. You know, when I got the Windows 7 installed I just tried out a lot of the features out of curiosity. Seems it was a mistake. The darker the screen is the darker it fades. It is especially annoying during video play.

I could not really set it back after wards.

Any fix besides reinstalling windows?


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#6
December 6, 2009 at 13:24:43

I haven't found any solutions. It is annoying as hell, as you
mentioned, when playing dark full screen videos. Let me know if
you figure anything out.

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#7
December 6, 2009 at 16:08:19

BearCheese,

Why not reverse your mistake by recalibrating the display?

Windows 7 News!


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#8
December 7, 2009 at 14:52:19

Because I haven't change anything, so there is nothing to re-calibrate. However it seems just by running the calibration feature without even changing anything on it, already activated this "feature".

It might be also a coincidence that this started to happen just after I played around with the colour management settings. God knows.


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#9
December 8, 2009 at 13:51:02

Hi, I think I managed to get around this problem. (Knock on wood).

My monitor (SamsungT220) has a so-called dynamic contrast feature. I bet your displays also have it too.
Apparently Windows7 silently changed my monitor setting (I'm talking about the settings you can get via your monitor's OSD). This dynamic contrast feature was enabled. I turned it off (changed to e.g. movie mode) and since then no more fading darkness.

It's probably just a workaround and not a real solution, I donno. I am not sure if the dynamic contrast feature was enabled before or not.


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#10
December 8, 2009 at 20:43:54

You are the man! That was the problem on Samsung settings
as well. Thank you very much. That is so weird that that would
change without prompting.

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