Hi Roger,
I tried
sudo service acpi-support stop
And voila I have my speed back. I can even start it again in battery mode and the speed is still good. So it seems that a stop of acpi-support solves the issue and a new start doesn't harm the speed anymore.
Hi Roger,
I tried
sudo service acpi-support stop
And voila I have my speed back. I can even start it again in battery mode and the speed is still good. So it seems that a stop of acpi-support solves the issue and a new start doesn't harm the speed anymore.