Comment 15 for bug 1295994

HP Pavilion dm1 with AMD E450 APU.
The slightly upgraded model is Ubuntu certified: http://www.ubuntu.com/certification/hardware/201209-11793/ and this one worked well until 13.10. The prt sc key stopped working in 14.04, while the Fn keys for brightnes (Fn+F2, Fn+F3) and for screen switching (Fn+F4) do not work since 13.10. Workarround for Fn keys is to use Meta key (e.g. meta+F2 to reduce brightness) in Kubuntu instead.
I've tried a number of liveCD
Everything works in 12.04 (tried with Xubuntu that i had layign arorund)