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Steven26932733m37i
Participant
Oct 12, 2024 4:20 PM UTC
Question

Black lines after exporting images

When I export images to do a focus stack in Zarene some of the images have a horizontal black all the way through. My last export was 50 images of which 8 had the black line. The images do not have the line in Lightroom. I have Sequoia 15.0.1 on a MacBook Pro with M1 and 16gb memory. Prior to installing the new OS I did not have this issue. So I am not sure if this a Lightroom or Apple issue. Thanks for your help.

    8 replies

    lisalagator
    Participant
    Jul 5, 2025 6:44 PM UTC

    This issue just appeared yesterday and I am in the middle of doing all my team photos.  Nothing has changed that I know of, I am so frustrated!  Small evenly spaced black lines in all my exports.   I will copy the info requested below:

    Lightroom Classic version: 14.4 [ 202506051112-5918896a ]
    License: Creative Cloud
    Language setting: en
    Operating system: Windows 10 - Home Premium Edition
    Version: 10.0.19045
    Application architecture: x64
    System architecture: x64
    Logical processor count: 12
    Processor speed: 3.5GHz
    SqLite Version: 3.36.0
    CPU Utilisation: 8.0%
    Power Source: Plugged In
    Built-in memory: 16207.0 MB
    Dedicated GPU memory used by Lightroom: 435.3MB / 4030.6MB (10%)
    Real memory available to Lightroom: 16207.0 MB
    Real memory used by Lightroom: 1307.8 MB (8.0%)
    Virtual memory used by Lightroom: 2880.5 MB
    GDI objects count: 1811
    USER objects count: 4523
    Process handles count: 6957
    Memory cache size: 308.3MB
    Internal Camera Raw version: 17.4 [ 2272 ]
    Maximum thread count used by Camera Raw: 5
    Camera Raw SIMD optimization: SSE2,AVX,AVX2
    Camera Raw virtual memory: 303MB / 8103MB (3%)
    Camera Raw real memory: 307MB / 16207MB (1%)
     
    Cache1: 
    NT- RAM:0.0MB, VRAM:0.0MB, Combined:0.0MB
     
    Cache2: 
    m:308.3MB, n:0.0MB
     
    U-main: 153.0MB
     
    System DPI setting: 144 DPI (high DPI mode)
    Desktop composition enabled: Yes
    Standard Preview Size: 1440 pixels
    Displays: 1) 1920x1080, 2) 3840x2160
    Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No
     
    Graphics Processor Info: 
    DirectX: NVIDIA GeForce GTX 970 (32.0.15.7628)
    Init State: GPU for Image Processing supported by default
    User Preference: GPU for Image Processing Enabled
    Enable HDR in Library: OFF
     
    Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic
    Library Path: C:\Program Files\Adobe\Adobe Photoshop Lightroom 5\2025\2025.lrcat
    Settings Folder: C:\Users\Lisa Lagator\AppData\Roaming\Adobe\Lightroom
     
    Installed Plugins: 
    1) AdobeStock
    2) Flickr
     
    Config.lua flags: 
     
    Adapter #1: Vendor : 10de
    Device : 13c2
    Subsystem : 39753842
    Revision : a1
    Video Memory : 4030
    Adapter #2: Vendor : 1414
    Device : 8c
    Subsystem : 0
    Revision : 0
    Video Memory : 0
    AudioDeviceIOBlockSize: 1024
    AudioDeviceName: System Default - Speakers (Realtek High Definition Audio)
    AudioDeviceNumberOfChannels: 2
    AudioDeviceSampleRate: 48000
    Build: LR5x26
    Direct2DEnabled: false
    GL_ACCUM_ALPHA_BITS: 16
    GL_ACCUM_BLUE_BITS: 16
    GL_ACCUM_GREEN_BITS: 16
    GL_ACCUM_RED_BITS: 16
    GL_ALPHA_BITS: 0
    GL_BLUE_BITS: 8
    GL_DEPTH_BITS: 24
    GL_GREEN_BITS: 8
    GL_MAX_3D_TEXTURE_SIZE: 2048
    GL_MAX_TEXTURE_SIZE: 16384
    GL_MAX_TEXTURE_UNITS: 4
    GL_MAX_VIEWPORT_DIMS: 16384,16384
    GL_RED_BITS: 8
    GL_RENDERER: NVIDIA GeForce GTX 970/PCIe/SSE2
    GL_SHADING_LANGUAGE_VERSION: 4.60 NVIDIA
    GL_STENCIL_BITS: 8
    GL_VENDOR: NVIDIA Corporation
    GL_VERSION: 4.6.0 NVIDIA 576.28
    GPUDeviceEnabled: false
    OGLEnabled: true
    GL_EXTENSIONS: GL_AMD_multi_draw_indirect GL_AMD_seamless_cubemap_per_texture GL_AMD_vertex_shader_viewport_index GL_AMD_vertex_shader_layer GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_clear_buffer_object GL_ARB_clear_texture GL_ARB_clip_control GL_ARB_color_buffer_float GL_ARB_compatibility GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_compute_shader GL_ARB_compute_variable_group_size GL_ARB_conditional_render_inverted GL_ARB_copy_buffer GL_ARB_copy_image GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_ES2_compatibility GL_ARB_ES3_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_2_compatibility 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GL_EXT_framebuffer_multisample GL_EXTX_framebuffer_mixed_formats GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_framebuffer_object GL_EXT_framebuffer_sRGB GL_EXT_geometry_shader4 GL_EXT_gpu_program_parameters GL_EXT_gpu_shader4 GL_EXT_multi_draw_arrays GL_EXT_multiview_texture_multisample GL_EXT_multiview_timer_query GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_packed_pixels GL_EXT_pixel_buffer_object GL_EXT_point_parameters GL_EXT_polygon_offset_clamp GL_EXT_post_depth_coverage GL_EXT_provoking_vertex GL_EXT_raster_multisample GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_separate_shader_objects GL_EXT_separate_specular_color GL_EXT_shader_image_load_formatted GL_EXT_shader_image_load_store GL_EXT_shader_integer_mix GL_EXT_shadow_funcs GL_EXT_sparse_texture2 GL_EXT_stencil_two_side GL_EXT_stencil_wrap GL_EXT_texture3D GL_EXT_texture_array GL_EXT_texture_buffer_object GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_latc GL_EXT_texture_compression_rgtc 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    johnrellis
    johnrellis
    Legend
    Jul 5, 2025 7:14 PM UTC

    "DirectX: NVIDIA GeForce GTX 970 (32.0.15.7628)"

     

    That driver is two months old. Download the latest one from here:

    https://www.nvidia.com/en-us/drivers/details/248978/

     

    It may not be the cause of your issue, but having an up-to-date driver is always the first step.

     

    If that doesn't help, try setting Preferences > Performance > Use Graphics Processor to Off.

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    lisalagator
    Participant
    Jul 6, 2025 4:38 PM UTC

    Thank you I will do that.  I  have it set up to automatically update so will have to look into that as well.  I appreciate the help. Downloading update now.

     

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    tparmable
    Participant
    Jun 12, 2025 2:29 PM UTC

    I have had this same issue, in a batch of about 20 exports I ususually get 2 or 3 with a single black horizontal line. It drives me crazy. Was there any solution to this? Thx.

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    johnrellis
    johnrellis
    Legend
    Jun 12, 2025 3:46 PM UTC

    As a first troubleshooting step, do the LR menu command Help > System Info and copy/paste the entire contents here so we can see exactly which versions of hardware and software LR thinks you're running and important LR options that are set.

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    johnrellis
    johnrellis
    Legend
    Oct 13, 2024 3:00 AM UTC

    To narrow down where the issue might be, set Preferences > Performance > Use Graphics Processor to Custom, check Use GPU For Image Processing, and uncheck Use GPU For Export 

     

    If the problem still occurs, select one of the problem TIFFs and do Metadata > Save Metadata To File. Upload it to Dropbox, Google Drive, or similar and post the sharing link here. We can then see if the problem occurs on other computers or just yours.

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    Steven26932733m37iAuthor
    Participant
    Oct 20, 2024 4:41 PM UTC

    I did your recommendation without success. Still lines in the images. I saved the metadata but I don't know where to find it.

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    johnrellis
    johnrellis
    Legend
    Oct 20, 2024 10:55 PM UTC

    Here are more precise steps:

     

    1. In LR Library, select a problem TIFF that, when exported, shows the black lines.

     

    2. Do the menu command Metadata > Save Metadata To File.

     

    3. Do the menu command Photo > Show In Finder. That will open Finder with the TIFF selected.

     

    4. Upload that TIFF to Wetransfer, Dropbox, Google Drive, Onedrive, or similar and post the sharing link here.

     

    We can see if other LR installations export the TIFF with black lines or its something particular to your installation.

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