【Solved】persistence no prompt

[bertus65]

when you select the ISO in Ventoy menu, you should be prompted to boot without persistence or using the persistence.dat file.
If you don't get that prompt then you have done something wrong in the ventoy.json file.

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Maybe you extracted the wrong persistence file?
Unless you tell us exactly what you have done, it is difficult to help but if you dont get a Ventoy prompt then you paths are probably wrong in ventoy.json file.

Hello,
Sorry, forgot to mention how I obtained and tested the persistence file.

I downloaded and extracted the persistence file from https://github.com/ventoy/backend/releases 
(extracted persistence_ext4_512MB_casper-rw.dat and opened this file in UbuntuLive with Gparted
I can see It is ext4 and the label is casper-rw which is the right one for ubuntu.

Syntax ventoy.json is ok, checked this in several manners.
So I checked everything and everything seems OK.
Only problem, no prompt asking which persistence to choose  when booting ventoy usb