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    Repeated problem: LR 6 exposure - 5.00 on thumbnails and develop module

    BrentBusch Level 1

      I keep having repeated issues where thumbnails in the library and develop modules where some images are nothing but a severely underexposed black image. When I go to the develop module the exposure slider is cranked all the way down to - 5.00 on the problem files. When I move the slider back to 0 then the images are properly exposed, like they should be in the first place. I also had this problem on occasion with LR 5. LR 5 was on Win7 Pro - 64 bit. LR6 was originally on Win7 Pro 64 bit. LR 6.3 & 6.4 have been on Win10 Pro 64 bit. This has happened on 2 different versions of LR and 2 different OS. It also happens with images taken with different camera bodies. I now shoot with a Nikon D4 and D700 but have images from D7000, D90 and D70 that have also been affected. It also seems to happen at random. I'll close LR and then the next time LR is opened files that were fine are now underexposed by 5 stops.



      I have "use Graphics Processor" turned off because LR is faster that way.


      Lightroom version: 6.4 [ 1060496 ]

      License: Perpetual

      Operating system: Windows 10

      Version: 10.0

      Application architecture: x64

      System architecture: x64

      Logical processor count: 8

      Processor speed: 3.6 GHz

      Built-in memory: 32718.5 MB

      Real memory available to Lightroom: 32718.5 MB

      Real memory used by Lightroom: 2196.0 MB (6.7%)

      Virtual memory used by Lightroom: 2276.8 MB

      Memory cache size: 1188.4 MB

      Maximum thread count used by Camera Raw: 8

      Camera Raw SIMD optimization: SSE2,AVX

      System DPI setting: 96 DPI

      Desktop composition enabled: Yes

      Displays: 1) 1920x1200, 2) 1920x1200, 3) 1920x1200

      Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No


      Graphics Processor Info:

      AMD Radeon R7 370 Series


      Check OpenGL support: Passed

      Vendor: ATI Technologies Inc.

      Version: 3.3.13416 Core Profile Context 15.300.1025.1001

      Renderer: AMD Radeon R7 370 Series

      LanguageVersion: 4.40



      Application folder: C:\Program Files\Adobe\Adobe Lightroom

      Library Path: C:\Users\BB\Pictures\Lightroom\Lightroom Catalog.lrcat

      Settings Folder: C:\Users\BB\AppData\Roaming\Adobe\Lightroom


      Installed Plugins:

      1) Canon Tether Plugin

      2) Export to Photomatix Pro

      3) Facebook

      4) Flickr

      5) HDR Efex Pro 2

      6) Leica Tether Plugin

      7) Nikon Tether Plugin


      Config.lua flags: None


      Adapter #1: Vendor : 1002

          Device : 6810

          Subsystem : 73701682

          Revision : 0

          Video Memory : 2030

      Adapter #2: Vendor : 1414

          Device : 8c

          Subsystem : 0

          Revision : 0

          Video Memory : 0

      AudioDeviceIOBlockSize: 1024

      AudioDeviceName: Speakers (Realtek High Definition Audio)

      AudioDeviceNumberOfChannels: 2

      AudioDeviceSampleRate: 44100

      Build: LR5x102

      Direct2DEnabled: false

      GPUDevice: not available

      OGLEnabled: true

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