Sir I installed Ubuntu 9.01 on my Netbook. It war working well. After updating from the site now the screen goes occasionaly dimmed and the system freezes for about 3 - 10 secs and then works well. solutions anyone? -- Dr.K.Jithendranath Raa House, Tippu Sulthan Road Sulthan Bathery PIN 673 592 Tele: 04936 220562 Mob 9288179589 Email jithendranath@xxxxxxxxx Skype Name: jithendranath --------------------------------------------- FSUG-Kozhikode Home Page : http://www.fsugcalicut.org ---------------------------------------------