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Help: Random Chromatic Strips Showing on Some Pictures

New Here ,
Dec 31, 2020 Dec 31, 2020

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Hardware: Intel NUC8

OS: Windows 10 2004

LR classic 9.4

Pictures captured by the same camera Nikon Z6. Some pictures showing random chromatic strips in both grid view and develop view, some not. 

Sometimes when I stay in develop view for several seconds, the chromatic strips will go away, sometimes not.

LR Random Chromatic Stripes.png

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Bug, Problem or error, Windows

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LEGEND ,
Dec 31, 2020 Dec 31, 2020

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Turn off the option to use the GPU in the LrC Preferences.

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New Here ,
Dec 31, 2020 Dec 31, 2020

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Thank you for your reply. I tried that, it does not mitigate.

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New Here ,
Dec 31, 2020 Dec 31, 2020

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Update:

The worse is that, when I tried to edit any pictures without chromatic stripes in develop view, chromatic stripes comes in less than 10 seconds. I cannot edit any pictures now.

I restart my computer. No luck.

This problemm does not happend before.

Windows build-in program "Photos" can show the picture correctly.

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LEGEND ,
Jan 01, 2021 Jan 01, 2021

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Windows photo viewer is using the Embedded JPG file that is included in every RAW file.

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LEGEND ,
Dec 31, 2020 Dec 31, 2020

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Is this a RAW file?

 

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LEGEND ,
Dec 31, 2020 Dec 31, 2020

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What happens if you purge the Camera RAW CACHE

/preferences/file handling/

 

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LEGEND ,
Dec 31, 2020 Dec 31, 2020

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Please post your System Information as Lightroom Classic (LrC) reports it. In LrC click on Help, then System Info, then Copy. Paste that information into a reply. Please present all information from first line down to and including Plug-in Info. Info after Plug-in info can be cut as that is just so much dead space to us non-Techs.

GoldingD_0-1609471345766.jpeg

 

GoldingD_1-1609471345768.png

 

GoldingD_2-1609471345769.png

 

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New Here ,
Dec 31, 2020 Dec 31, 2020

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Hello, the files are Nikon RAW files (.NEF). I tried to pergure camera raw cache and optimize catalog. That does not mitigate.

Here's the sys info:

Lightroom Classic version: 9.4 [ 202008061458-dbb2971e ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10
Version: 10.0.19041
Application architecture: x64
System architecture: x64
Logical processor count: 8
Processor speed: 2.7 GHz
SqLite Version: 3.30.1
Built-in memory: 16252.9 MB
Real memory available to Lightroom: 16252.9 MB
Real memory used by Lightroom: 2765.8 MB (17.0%)
Virtual memory used by Lightroom: 3715.4 MB
GDI objects count: 846
USER objects count: 2462
Process handles count: 1657
Memory cache size: 721.2MB
Internal Camera Raw version: 12.4 [ 555 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 1648MB / 8126MB (20%)
Camera Raw real memory: 1669MB / 16252MB (10%)
System DPI setting: 144 DPI (high DPI mode)
Desktop composition enabled: Yes
Displays: 1) 3840x2160
Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No

Graphics Processor Info: 
DirectX: Intel(R) Iris(R) Plus Graphics 655 (27.20.100.8681)



Application folder: C:\Program Files\Adobe\Adobe Lightroom Classic
Library Path: P:\Media\Pictures\Lightroom\Catalogs\Travels\Travels-2-2.lrcat
Settings Folder: C:\Users\shuan\AppData\Roaming\Adobe\Lightroom

Installed Plugins: 
1) HDR Efex Pro 2
2) LRT Export 5
3) Nikon Tether Plugin

Config.lua flags: None

Adapter #1: Vendor : 8086
Device : 3ea5
Subsystem : 20748086
Revision : 1
Video Memory : 128
Adapter #2: Vendor : 1414
Device : 8c
Subsystem : 0
Revision : 0
Video Memory : 0
AudioDeviceIOBlockSize: 1024
AudioDeviceName: D32 Art (2- Intel(R) Display Audio)
AudioDeviceNumberOfChannels: 2
AudioDeviceSampleRate: 48000
Build: LR5x42
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: 8
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: 8
GL_MAX_VIEWPORT_DIMS: 16384,16384
GL_RED_BITS: 8
GL_RENDERER: Intel(R) Iris(R) Plus Graphics 655
GL_SHADING_LANGUAGE_VERSION: 4.60 - Build 27.20.100.8681
GL_STENCIL_BITS: 8
GL_VENDOR: Intel
GL_VERSION: 4.6.0 - Build 27.20.100.8681
GPUDeviceEnabled: false
OGLEnabled: true
GL_EXTENSIONS: GL_3DFX_texture_compression_FXT1 GL_AMD_depth_clamp_separate GL_AMD_vertex_shader_layer GL_AMD_vertex_shader_viewport_index GL_ARB_ES2_compatibility GL_ARB_ES3_1_compatibility GL_ARB_ES3_compatibility GL_ARB_arrays_of_arrays GL_ARB_base_instance GL_ARB_bindless_texture GL_ARB_blend_func_extended GL_ARB_buffer_storage GL_ARB_cl_event 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_compute_shader GL_ARB_conditional_render_inverted GL_ARB_conservative_depth 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_elements_base_vertex GL_ARB_draw_indirect GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location 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GL_ARB_vertex_buffer_object GL_ARB_vertex_program GL_ARB_vertex_shader GL_ARB_vertex_type_10f_11f_11f_rev GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_ARB_window_pos GL_ATI_separate_stencil GL_EXT_abgr GL_EXT_bgra GL_EXT_blend_color GL_EXT_blend_equation_separate GL_EXT_blend_func_separate GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_clip_volume_hint GL_EXT_compiled_vertex_array GL_EXT_direct_state_access GL_EXT_draw_buffers2 GL_EXT_draw_range_elements GL_EXT_fog_coord GL_EXT_framebuffer_blit GL_EXT_framebuffer_multisample GL_EXT_framebuffer_object GL_EXT_geometry_shader4 GL_EXT_gpu_program_parameters GL_EXT_gpu_shader4 GL_EXT_multi_draw_arrays GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_packed_pixels GL_EXT_polygon_offset_clamp GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_separate_specular_color GL_EXT_shader_framebuffer_fetch GL_EXT_shader_integer_mix GL_EXT_shadow_funcs GL_EXT_stencil_two_side GL_EXT_stencil_wrap GL_EXT_texture3D GL_EXT_texture_array GL_EXT_texture_compression_s3tc GL_EXT_texture_edge_clamp GL_EXT_texture_env_add GL_EXT_texture_env_combine GL_EXT_texture_filter_anisotropic GL_EXT_texture_integer GL_EXT_texture_lod_bias GL_EXT_texture_rectangle GL_EXT_texture_sRGB GL_EXT_texture_sRGB_decode GL_EXT_texture_shared_exponent GL_EXT_texture_snorm GL_EXT_texture_storage GL_EXT_texture_swizzle GL_EXT_timer_query GL_EXT_transform_feedback GL_IBM_texture_mirrored_repeat GL_INTEL_conservative_rasterization GL_INTEL_fragment_shader_ordering GL_INTEL_framebuffer_CMAA GL_INTEL_map_texture GL_INTEL_multi_rate_fragment_shader GL_INTEL_performance_query GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent GL_KHR_context_flush_control GL_KHR_debug GL_KHR_no_error GL_KHR_texture_compression_astc_hdr GL_KHR_texture_compression_astc_ldr GL_NV_blend_square GL_NV_conditional_render GL_NV_primitive_restart GL_NV_texgen_reflection GL_SGIS_generate_mipmap GL_SGIS_texture_edge_clamp GL_SGIS_texture_lod GL_SUN_multi_draw_arrays GL_WIN_swap_hint WGL_EXT_swap_control

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LEGEND ,
Dec 31, 2020 Dec 31, 2020

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"Intel(R) Iris(R) Plus Graphics 655 (27.20.100.8681)"

 

It looks you don't have the most recent graphics driver installed. Try updating to the most recent driver:

https://downloadcenter.intel.com/product/140931/Intel-Iris-Plus-Graphics-655

 

If that doesn't help, then most likely you have a hardware problem. You should run hardware diagnostics.

 

"Windows build-in program "Photos" can show the picture correctly."
 

Windows Photos shows the JPEG preview embedded in the raw files, not the raw images themselves. It's often the case that hardware problems can cause glitches in LR's display of raw images, while the display of the embedded JPEG previews isn't affectedx.

 

[Use the blue reply button under the first post to ensure replies sort properly.]

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New Here ,
Jan 01, 2021 Jan 01, 2021

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Hi, thank you for your suggestions.

I downloaded the graphics driver. It shows an error message during installation: "A driver with the same version is already installed."

I checked installed driver version: Windows - Device Manager - Intel(R) Iris (R) Plus Graphics 655 - Properties - Driver, version = 27.20.100.8681

Leave it alone, it may be a bug of the driver installer.

 

Windows perf monitor reports no HW issue:

Perf Mon.png

 

I tried to open the .NEF file on my Mac. Both LR classic and macOS build-in "Preview" program show the random chromatic strips.

Screen Shot 2021-01-01 at 3.42.21 PM.png

I also tried to open it in Nikon Capture NX-D. The result is the same. See the RGB component values in the status bar of the snow: R 059, G198, B255. Blue component is 255. This is absolutely abnormal. I think the file is corrupted.

So frustrated. I captured these photos in freezing winds on high mountains.

 

Nikon Capture NX.png

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Adobe Community Professional ,
Jan 01, 2021 Jan 01, 2021

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This isn't the video card, note lens profile geometric correction on the stripes. This is file corruption, and file corruption is always caused by failing hardware.

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LEGEND ,
Jan 01, 2021 Jan 01, 2021

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Ifturning off the GPU does not solve the problem then the only other thing is can be is that those images are actually Corrupted.

It is caused by faulty hardware. Memory card, card reader, cable from card reader to computer, hard drive starting to fail or RAM problems. Or of course it could be the camera itself.

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LEGEND ,
Jan 01, 2021 Jan 01, 2021

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I think its time we ALL stopped wasting our time and the original poster's time by pointing them to the GPU driver for these type of "random chromatic strips" (or however they are described). There has never been, as far as I know, a case where this is the GPU or GPU driver causing this; these are always corrupted files.

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Adobe Community Professional ,
Jan 01, 2021 Jan 01, 2021

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I would agree that everything seems to point to corrupted files. This could be a bad SD card, a failing hard drive, a failing card reader, or any number of hardware issues. Not a fun or convenient issue to resolve, but one that must be identified by the user.

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LEGEND ,
Jan 01, 2021 Jan 01, 2021

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So the OP has a Nikon Z6.

How large are the embedded JPEG files in the NEF file?

Does someone have directions on extracting the embedded JPEG for use?

That way, maybe something can be recovered?

 

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LEGEND ,
Jan 01, 2021 Jan 01, 2021

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Do you have a different SD card reader to try out in case your existing SD card reader is bad?

 

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LEGEND ,
Jan 01, 2021 Jan 01, 2021

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Do you have a different SD card to use in case the one currently in use is bad?

 

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New Here ,
Jan 01, 2021 Jan 01, 2021

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Hello, I reply to your previous 2 replies here.

It's easy to extract the preview image embedded in the RAW file:

exiftool.exe -b -PreviewImage _Z6I6559.NEF > preview.jpg

preview.jpg shows correctly.

I captured in RAW raw and small JPG at the same. The small JPG file is of 3024x2016. This somehow rescued part of my work.

Nikon has a single XQD slot. I think the XQD card reader is OK, because copying via the camera's USB port is the same.

 

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New Here ,
Jan 01, 2021 Jan 01, 2021

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Thank you everyone for your help. Now we all tend to believe that the RAW files are corrupted, and caused by failing hardware. I think the most suspicious hardware is the Nikon Z6 camera itself.

I captured these photos in freezing winds on high mountains. The temperature was below 0 Celsius. The low temperature made the camera screen stop working several times, and the battery was unable to charge.

Be careful with Nikon Z6. Photographers should use more professional devices in specific conditions.

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Community Beginner ,
Jan 01, 2021 Jan 01, 2021

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Had such issues with a poor video driver. Try to look for an updated driver.

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