Possible Duplicate:
How to enable hibernation in 12.04?
I need Hibernate option in ubuntu 12.04. It was in the older versions but not in 12.04. Why?
Possible Duplicate:
How to enable hibernation in 12.04?
I need Hibernate option in ubuntu 12.04. It was in the older versions but not in 12.04. Why?
Open terminal and run this command:
sudo gedit /var/lib/polkit-1/localauthority/50-local.d/hibernate.pkla
Copy, paste and save.
[Re-enable Hibernate]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=yes
Reboot your system.