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opengl info HardwareSupportLevel: 'none', after reopening after crash

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cnfan_sd70
cnfan_sd70 2018-6-20
评论： jaydeequeue 2022-7-16
MATLAB encountered a graphics error, so I closed matlab and started it up again. Upon opening matlab I receive this message on the command line:
Warning: MATLAB previously crashed due to a low-level graphics error. To prevent another crash in this
session, MATLAB is using software OpenGL instead of using your graphics hardware. To save this setting for
future sessions, use the opengl('save', 'software') command. For more information, see Resolving Low-Level
Graphics Issues.
I then typed
opengl hardware
to switch to using hardware OpenGL. This returned this error:
Warning: Unable to select hardware OpenGL rendering. For more information, click here.
So I typed:
opengl info
and received this under the hardware section:
HardwareSupportLevel: 'none'
I have attempted closing and re-opening matlab several times now to no avail.
Anybody know how to get matlab to recognise the hardware and therefore switch back to hardware opengl?
I am using MATLAB 2017a on a windows machine running Windows 10, 64-bit processor: intel® Core™ i7-6700 CPU @ 3.40GHz, 16GB RAM
Seems to have a NVIDIA GeForce GTX 1050 Ti as the display adapter
Many thanks in advance.
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Pooja Ganesh Murthy
Pooja Ganesh Murthy 2021-11-12
Hi
I had the similar problem
but in my case, i used these commands
opengl info
d = opengl('data')
opengl software
opengl hardware
opengl hardwarebasic
opengl('save','software') #here you can either enter hardware, hardwarebasic, none instead of software
but MatLab suggested me to save the opengl as software
I did this and it worked
jaydeequeue
jaydeequeue 2022-7-16
Running MATLAB on a Debian 10 Linux VirtualBox VM, running,
opengl('save','software')
is what fixed it for me (and made the fix persist to the next session).

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