Somebody in the thread at some point said: > Andy Green wrote: >> Somebody in the thread at some point said: >> >>> worked well until 10 days ago. then, the laptop started its fan, and >>> drove down its cpuspeed to about a quarter of the speed before. if i run >>> the system-monitor, the cpu is busy always about 30 %, whereas before it >> Did you look into which process was eating the extra CPU? >> >> -Andy >> > Could the extra CPU usage be because the CPU is running so much > slower that it requires a higher CPU load to do the same tasks? You're quite right, it can easily be that. Is there anything down /proc/acpi any more on this machine then, in case it no longer is able to start ACPI? Anything interesting in dmesg | grep ACPI -Andy