> I try Fn-F12 - but get the same message in log file. > any special settings in kernel config ? > or just "device apm0" ? I will send you my config asap (when I have time to start my xe3 at home) > How about DPMS ? especially in KDE :) Sorry, what is DPMS? I can't say about something accordingly to KDE, I use ROX ;-) Best regards, Tilo