Lightroom Classic: Brightness increases when going to fullscreen on Windows 10

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  • Updated 5 months ago
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Win 10 and Lr Classic on a new Dell XPS-15 laptop, when inDevelop or Library, when I hit the F key to go full screen, after about asecond or two the image gets brighter. If I hit Shift/Tab I get the same view but the image stays thesame.  I have done some research on lineand it seems this is only a problem with Adobe applications.  Does anyone know a fix? 

Thank you,

Tom
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Thomas M OConnor

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Posted 8 months ago

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Rikk Flohr, Official Rep

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Thomas, 

I have a Dell XPS 15 running Win 10 (1903) and I am not seeing this behavior. The brightness stays the same regardless of whether I use [ F ] or [Shift]+[Tab].

My Dell has the GTX 960M video driver. 

Have you reset Lightroom Preferences?
Verified your latest driver for your video card with the video card manufacturer?
Made sure you aren't using the on-board GPU?
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Thomas M OConnor

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Rikk,
Thanks for the ideas, but none of them worked.  I just installed the newest update on 12/10 and that did not help either.  Guess I will just get used to using Shift/Tab.

Tom
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Luciano Caron

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This is happening with my Lenovo X220 too after the last Lightroom update (9.1 release). Any ideas?
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Andrea Lea Jensen

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I found a solution!

If you press
Control Shift F then the whole of the program goes full-screen (not the pic), and the whole program seems to lighten, so when you then go into a full screen pic (just press F) it is the same brightness.

I noticed some prints of mine recently came out too light, so I think it is a setting on my PC - it seems to darken the screen but when I am operating in Lightroom full screen mode (Control Shift F), it seems to give a more accurate exposure. 

At least that is what I am hoping!

(Edited)
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Paul G

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For some reason you can have different brightness settings for windowed and fullscreen. If you change the screen brightness on windowed it will not affect the brightness on fullscreen and vise versa. You should be able to change the brightness via your <fn> key whilst in fullscreen to match your windowed brightness. I don't know why this happens or where the setting is to turn it off but I hope this helps.