[SOLVED] I cannot erase USB flash-drive. Previously it was prepared & used as ubuntu-22 installation disk. Please help. Thanks
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When flash disk ignores write requests and retains old data it is an indication that it has failed and is giving you the last chance to copy your files.
I have run into the same problem a time or two. I've been using wipefs lately to get rid of the filesystem signatures before I do anything else, especially if I installed from the memory stick.
I'm going to have to try gparted next time. Sounds like a solid suggestion.
When flash disk ignores write requests and retains old data it is an indication that it has failed and is giving you the last chance to copy your files.
There are two possibilities. It might be failing but it may just be that its iso formating makes it look like an external optical drive and what could alter that?
Mount it, note the id (e.g. /dev/sdc or whatever), unmount, and use this
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When a pendrive has been used as an installation image, to return it to normal usage, you need to write a new partition table to it, usually an MBR, (could be a GPT, depending on size), then partition, & add a file system.
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I cannot erase USB flash-drive. Previously it was prepared & used as ubuntu-22 installation disk. Please help. Thanks
