Anyway bios and F12 gabroke,been trying command line: a@a-laptop:~$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 149.1G 0 disk ├─sda1 8:1 0 135.3G 0 part / ├─sda2 8:2 0 1K 0 part ├─sda3 8:3 0 9.8G 0 part /home └─sda5 8:5 0 4G 0 part [SWAP] sr0 11:0 1 1024M 0 rom a@a-laptop:~$ mount|grep ^'/dev' /dev/sda1 on / type ext4 (rw,errors=remount-ro) /dev/sda3 on /home type ext4 (rw,nosuid,nodev) a@a-laptop:~$ df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 139506636 16942716 115454292 13% / none 4 0 4 0% /sys/fs/cgroup udev 2053588 4 2053584 1% /dev tmpfs 412640 1340 411300 1% /run none 5120 0 5120 0% /run/lock none 2063196 80 2063116 1% /run/shm none 102400 64 102336 1% /run/user /dev/sda3 9948012 6445028 2974600 69% /home a@a-laptop:~$ df a@a-laptop:~$ wodim --devices wodim: No such file or directory. Cannot open SCSI driver! For possible targets try 'wodim --devices' or 'wodim -scanbus'. For possible transport specifiers try 'wodim dev=help'. For IDE/ATAPI devices configuration, see the file README.ATAPI.setup from the wodim documentation. a@a-laptop:~ ANY IDEAS AT ALL,YOU ALL,BEST a