ganu MailList wrote: > When I hang-up the system, then the screem is black. But the power light > is brightness. and the disk light is bright sometimes. > > When I press any key, the screem is still black. Only can do is to > press down power button for several seconds to power off the notebook. Is > there the bug of the Centos? Is this a netbook? I had that problem, until I found out I had to press <fn><fx key with the little lightbulb> mark