Ho rifatto tutto come mi avete detto..prima di chiudere ho salvato..ho riavviato ma niente..la swap risulta ancora inattiva...
Ho rifatto partire i comandi da terminale e vi riposto i risultati:
blkid
/dev/sda1: LABEL="Riservato per il sistema" UUID="A89EA2D29EA297F8" TYPE="ntfs"
/dev/sda2: LABEL="Windows" UUID="2250B5FF50B5D9AD" TYPE="ntfs"
/dev/sda3: LABEL="Ubuntu" UUID="6c45f255-c335-41a6-9144-6e3f1f934e4a" TYPE="ext4"
/dev/sda5: LABEL="Dati" UUID="505B17F7282EDA67" TYPE="ntfs"
/dev/sda6: UUID="e6865ada-5aab-44bc-87d6-33de52feb3a7" TYPE="swap"
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
#
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda3 during installation
UUID=6c45f255-c335-41a6-9144-6e3f1f934e4a / ext4 errors=remount-ro 0 1
# swap was on /dev/sda6 during installation
UUID=983edf09-5c6f-40f2-80d9-07c4e7b194c1 none swap sw 0 0
/dev/sda2 /media/sda2 ntfs defaults 0 0
/dev/sda5 /media/sda5 ntfs defaults 0 0
dove sbaglio?