Hello, could anyone possibly shed any light as to why when I turn my netbook on it wont load up to normal desktop screen. I briefly get a blue screen with acer aspire on it but not the usual choose what you want to do etc. It justs ends up with a black screen. Had it for four months It has a linux system which I am not very up together with. Any ideas as to how to rectify would be appreciated!!! Not sure if one of my kids has put it into sleep mode or something similar. Help please !!!! Thank you!!!