I boot to the Vector Linux CD, and once again my USB keyboard does not work. I don't know what to do... it's a problem specific to this os disk. I have legacy USB enabled.
I did notice the error message go by in the log:
"no at keyboard installed?" [or something like that...]
help, please

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Problem solved. Just plug in a PS/2 keyboard, install the OS, reboot, let Vector autodetect the USB keyboard, and it will work.