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Jaxon24-24
Participant
May 12, 2018
Question

Brightness/contrast tool not working

  • May 12, 2018
  • 5 replies
  • 16520 views

I've done some work on a photo, flattened it and now trying to adjust brightness and contrast with no effects whatsoever. Levels and curves also not working. What should I do? I use PS CC, all automatically updated. Resetting all tools also didn't bring anything.

Thanks for your help...

    This topic has been closed for replies.

    5 replies

    K
    Ken27166220zzd7
    Participant
    November 16, 2022

    I have had this problem with several files from unknown sources. I just discovered that converting the profile (Under Edit) to "Apple CMM" solves the problem!

    Randy Hufford
    Community Expert
    Randy HuffordCommunity Expert
    Community Expert
    May 16, 2018

    it sounds like maybe a selection is happening trying deselecting before doing adjustment.  go to menu/ select/deselect

    jane-e
    Community Expert
    jane-eCommunity Expert
    Community Expert
    May 14, 2018

    Are you using Brightness/Contrast as an adjustment layer with the Properties panel or directly from the Image > Adjustments menu?

    I'm not sure why or how Resetting tools would help since Brightness / Contrast is not a tool. Resetting Preferences might.

    If you are doing it as an Adjustment Layer (preferred), what is on the layer underneath? Can you show a screen shot?

      josephlavine
      Community Expert
      josephlavineCommunity Expert
      Community Expert
      May 13, 2018

      Some tools may not work depending on your image settings.  What is your file's bit depth and Color Mode?

      Try making sure your file is 8 or 16 bit and RGB to see whether that helps.

        J
        Jaxon24-24Author
        Participant
        May 13, 2018

        Thanks for your reply, Joseph. The files are 16 bit and RGB. Would it be possible that some photos, which have been adjusted considerably for levels, contrast, brightness etc cannot be manipulated any further? I also applied some filters to the photo in question, still found it a little strange not to be able to make the adjustments any further. The tools seem to work fine with other pictures today.

        Norman Sanders
        Norman Sanders
        Legend
        May 12, 2018

        If resetting Tools and trying to use them on other files, you get the same "not working" response, try resetting Preferences and restarting Photoshop. To reset Prefs, choose Preferences > General. The Reset Preferences option is there.

        If the tools work normally when applied in other files, please post a screen shot showing the image, Options bar, and relevant panels (Layer, Properties, Channels)

        J
        Jaxon24-24Author
        Participant
        May 13, 2018

        Thanks Norman, I will gladly follow that, see what happens. I think the problem may have been related to one image i had already worked on quite a lot. Had a go at same tools with a different photo today, it was working OK.

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