Screen brightness is an attribute that is reset automatically upon rebooting your machine on Ubuntu and all its fellow distributions. Lucky you if you find the settings okay, but on notebooks and similar machines, you might want to lower the
Windows 7 comes with the Aero skin by default which might look nice but consumes a great deal of resources - and with them, power. I have experienced a loss of up to two hours of battery life on my
Apart from CCleaner, Piriform has released some other useful pieces of software. Among them is Recuva, a tool to save and undelete removed data. Files you delete are not physically removed from your hard drive until they are overwritten by
The reason to lock your screen (Windows key + L) usually is that you leave your computer, meaning it would be reasonable to turn off everything else there is on your computer as the sound or your screen as well.
From version 4 on, FireFox has disabled the option to save tabs when you leave the browser and left us with the Restore Session option on program start. To enable the option to save tabs again, direct FireFox to about:config