MATLAB editor shows files have no contents (blank)

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Daniel
Daniel 2023-3-2
评论： Meagan Lang 2024-10-16
Hello,
When I try to open an m-file or script in the editor, it opens up blank. The file, however, is clearly not empty - I can open it with a generic text editor and the code appears fine. This also happens if I try to create a new script in the editor. The editor opens a new 'untitled' file, but I can not enter any text in the editor.
I am running R2022b on an Apple M1 Max macOS 13.1
thanks
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Evg
Evg 2024-8-20
移动：Rik 2024-8-20
Same problem with 2024b Apple Silicon (Local Files) :(((
Is there any way to escalate this to their engineering ?

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回答（2 个）

Dvarkesh Madhu
Dvarkesh Madhu 2023-3-7
Hi Daniel,
1. Are you trying to open the .m file as a live script?
In that case, save .m as a UTF-8 format, or save it as a live script code(.MLX).
2. Or are you connecting to MATLAB via remote desktop applications? In that case, try starting MATLAB using the "-cefdisablegpu" flag from your system command prompt:
matlab -cefdisablegpu
3. Another thing you can try is to update your graphics driver and see if that resolves the issue.
4. Or start MATLAB using the”-softwareopengl” flag from your system command prompt:
matlab -softwareopengl
If the issue still persists, feel free to contact our Technical Support team for further assistance.
Hope this helps!
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Walter Roberson
Walter Roberson 2023-3-7
You cannot update your graphics driver in any recent version of MacOS, except by installing the latest MacOS security patch (if it just happens to have a driver update). Apple moved graphics drivers down a ring in security, and now insists that third-party graphics drivers be bundled in each application rather than being installed system-wide... and MacOS does not provide any separate update process for the system supplied drivers.
It would not be unreasonable to suspect that the intent of the change in driver implementation was to drive Nvidia out of the Mac market. This of course would not be the official rationale, but if you look at the history of the relationship between Nvidia and Apple, with multiple anonymous sources supposedly saying that very high level Apple executives ordered engineering not to approve any new Nvidia drivers...
Norbert
Norbert 2024-7-17
移动：Rik 2024-8-20
samie issue in 2024a on win, really annoying
only the -cefdisablegpu works as i am aiming to train models on the gpu this solution is really useless

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Evg
Evg 2023-5-16
编辑：Evg 2023-5-16
I have exactly same problem. Very frequently when i open Matlab 2022b (same was for 2021 and 2023a) all previosly open .m files appear blank. The only solution is to quit matlab, delete the ~/Library/Application Support/MathWorks/MATLAB/R2022b and start again. This is very frustrating (especially giving license price of Matlab) looks like a clear Matlab bug (otherwise deleting the R2022b folder would not help)
Also i see same problem is reported here:
https://www.mathworks.com/matlabcentral/answers/1804630-existing-matlab-files-opening-blank-on-m1-macbook-pro
Using Macos 13.2.1 on M1 Max
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Murray Wolinsky
Murray Wolinsky 2024-9-23
@Evg 's solution -- delete /Library/Application Support/MathWorks/MATLAB/R2021a (for me) -- worked for me. (And @Jorge Moura advice is good to know -- for when I move to Linux.)
Thank you!
MacBook Air, M1, 2020 running macOS Sonoma 14.6.1
Murray
Meagan Lang
Meagan Lang 2024-10-16
In case it is helpful for debugging or for anyone who does not want to remove the entire preferences directory, deleting just the history files in that directory (output from prefdir()) worked for me (R2024b on Mac M1 Pro running Sonoma 14.4.1).

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