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Question

AI Denoise is Not Working with my M1 Ultra Mac Studio, Regardless of File Type

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I am currrently using an M1 Ultra Mac Studio with Lightroom version 8.5 and macOS Sequoia 15.6.

I am unable to get AI Denoise to work with any file type (DNG, NEF, RAW, etc.).

I've tried uninstalling/reinstalling Lightroom. Made sure I was using the latest version. Checked to make sure all the file types I was using were supported, but the problem still persists.

When I try to click on the "Denoise" box, it brings the screen up with the progress bar, and looks like it's running without issue. But after about 2-3 second of running, it just cuts out and does not progress any further (progress bar/box disapears and goes right back to the normal edit screen). Then when I try to click the "Denoise" box again, it won't even bring up the progress bar screen.

Other AI/generative functions are working without issue. It's just the Denoise.

Any guidance/help troubleshooting/resolving the problem would be greatly appreciated.

Thank you.

macOS

T

TomasDrabek

Participant

Were you able to resolve the issue...I got the same problem with 8.5.1 Lightroom on my Macbook M1 Pro.

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Claire H.

Community Manager

Hi @TomasDrabek, welcome to the Lightroom Community forum! To better help you with this issue, we would like a few more details. Can you send your system info? You can find your system info by going to Help > System Info, copying and pasting it into a text file, and attaching it here. Thanks! ^CH

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K

kyle_9109

Participating Frequently

Hi @Claire H. - I also had this problem and the community helped but were unable to solve the problem.
I experience the same "attempt to AI denoise" then stops and I'm unable to apply it at all.

Lightroom Classic version: 15.0 [ 202510171722-44f87028 ]
License: Creative Cloud
Language setting: en-AU
Operating system: Mac OS 26
Version: 26.0.1 [25A362]
Application architecture: arm64
Logical processor count: 10
Processor speed: NA
SqLite Version: 3.36.0
Power Source: Plugged In, 100%
Built-in memory: 32,768.0 MB
Dedicated GPU memory used by Lightroom: 8,201.5MB / 25,559.0MB (32%)
Real memory available to Lightroom: 32,768.0 MB
Real memory used by Lightroom: 3,063.0 MB (9.3%)
Virtual memory used by Lightroom: 430,477.5 MB
Memory cache size: 1.8MB
Internal Camera Raw version: 18.0 [ 2389 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2
Camera Raw virtual memory: 1551MB / 16383MB (9%)
Camera Raw real memory: 1804MB / 32768MB (5%)

Cache1:
Final1- RAM:411.0MB, VRAM:1,353.0MB, KJ100599.ARW
Final2- RAM:695.0MB, VRAM:3,721.0MB, KJ105435.ARW
NT- RAM:1,106.0MB, VRAM:5,074.0MB, Combined:6,180.0MB

Cache2:
m:1.8MB, n:521.5MB

U-main: 123.0MB

Standard Preview Size: 5120 pixels
Displays: 1) 5120x2880, 2) 3024x1964

Graphics Processor Info:
Metal: Apple M1 Max
Init State: GPU for Export supported by default
User Preference: Auto
Enable HDR in Library: OFF
GPU for Preview Generation: Auto (S5_24)

Application folder: /Applications/Adobe Lightroom Classic
Library Path: /Users/kj/Pictures/Lightroom/Lightroom Catalog.lrcat
Settings Folder: /Users/kj/Library/Application Support/Adobe/Lightroom

Installed Plugins:
1) AdobeStock
2) Aperture/iPhoto Importer Plug-in
3) Flickr

Config.lua flags:

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KJ_System_Info_denoise_issue.zip

H

helpful_genius0046Author

Participant

I am currrently using an M1 Ultra Mac Studio with Lightroom version 8.5 and macOS Sequoia 15.6.

I am unable to get AI Denoise to work with any file type (DNG, NEF, RAW, etc.).

I've tried uninstalling/reinstalling Lightroom. Made sure I was using the latest version. Checked to make sure all the file types I was using were supported, but the problem still persists.

When I try to click on the "Denoise" box, it brings the screen up with the progress bar, and looks like it's running without issue. But after about 2-3 second of running, it just cuts out and does not progress any further (progress bar/box disapears and goes right back to the normal edit screen). Then when I try to click the "Denoise" box again, it won't even bring up the progress bar screen.

Other AI/generative functions are working without issue. It's just the Denoise.

Any guidance/help troubleshooting/resolving the problem would be greatly appreciated.

Thank you.

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Sameer K

Community Manager

Hey, @helpful_genius0046. Welcome to the Lightroom Community. I'll need more information to help you figure this out. Please share the system information from Lightroom under Help > System info > Copy and paste into a text document > Upload and attach here.

Are any of the images synced from Lightroom Classic? In Lightroom, open any image & check the 'i' Info panel to find the current sync status.

Let me know how it goes. Thanks!
Sameer K
(Type '@' and type my name to mention me when you reply)

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