So strange rhinga have been going , help please

Need halp , MX linux was actiing up so installed latest edition manjaro plasma , via iso trrent to usb then boot and install , now its acting up luks pasword sometimes work , i have devices showing on usb ALL devices list which 2 i cant access

Any one up and feeli like helping

How can i fdisk the who harddrive , in live usb mode right now? So i can do fresh install

I really am not sure what this means.

You mean wipe everything? Just do it from the LiveUSB installer, or tool like gparted from the live environment before installing.

sudo sgdisk --zap-all /dev/sdx

where x is your device - or nvme - which ever is your primary disk