hello , i have a usb (16g) with bodhi linux on it , i tried to format it , but it said read only
i tried the normal windows methode , i tried windows disk manager methode , i tried cmd (attribute disk clear readonly methode)
i tried gparted ubuntu methode , and the terminal methode (i found a question on ubuntu ask because i'm new to linux world )
none of these methodes worked for me .

note : when i boot from usb it stop at busybox screen and it said type help to show commands.

thank you for your time and for your answers.

Is this a sandisk usb and how old is it?

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Pny 2.0 usb 16gb (no lock key)

How old is it and do you use itoften t o put different iso's on it?
I had one for several years that I constantly was putting different iso's on it. It became a read-only, I could never find anything to fix it. Most posts I have come across with this same problem were sandisk. I don't know about Pny, most usbs will eventually quit after a huge amount of read/writes.

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it's 5 years old
i didn't use it a lot before ,just intil the last month i tried several light linux distros on it (bodhi,puppy,porteus,slitaz...)

*i tried pny format tool and didn't work
* i tried HP USB DISK formatting tool didn't work too


when i boot from usb it stop at busybox screen :
is there a way to format the disk (usb) using busybox ?
or a way to fix it and install bodhi linux on it again ?

Yes, if it is an install .iso it should be read only.

XXXXXX Make sure which disk is your usb drive. XXXXXX

Example where usb stick is /dev/sdb

What does fdisk say about the stick?

Zero out the first few sectors
fdisk should now show the drive as free space.

Put a partition on the drive, format that partition.

See:
man fdisk
man dd
man parted
man mkfs.ext4
man mkfs.ntfs
man mkfs.fat

usb drives can also go bad.

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If dd, among everything else you have tried, doesn't work the usb has seen better days, time to get a new one.