There is a red light turned on (it seems an infrared light or optical sound) when I boot Ubuntu, and it remains always on, but not when I boot MacOS in a MacBook Pro. How can I save energy with Ubuntu ...
I have problem with my Lenovo x121e - goes off and i can't start it immediately again. I must wait 3-5 min and then works again. CPU Temperature was okay, about 65°, HDD Temp too - 37°. Badblocks ...