You must take a look at the logs, powernow let some lines at them that can clarify the solution. Have you installed the powernow utils? Andrea Ferraresi wrote: > Hi all! > > I have an Acer aspire 1355xc with Etch and 2.6.15 on it, after a kernel > upgrade to 2.6.17, on reboot powernow-k7 module doesn't work. How i can > solve the problem ? > >