@ Mauro Rossi
I tried your suggestion with forced installing of syslinux_6.03+dfsg-5ubuntu1_amd64.deb - but the boot error remained also after a restrart.
@ Mauro Rossi
I tried your suggestion with forced installing of syslinux_ 6.03+dfsg- 5ubuntu1_ amd64.deb - but the boot error remained also after a restrart.