Comment 42 for bug 181374

Having problems with Brightness control using Fn + F6/F7 with dual screen, not brightness change although notify message comes up.
If i reeboot without external monitor, brightness via Fn keys work fine

Portege m700 tablet, using 12.04 64 bit (was the same with 8.10 up to 11.10)

also unable to hotswap ext. monitor, have to reboot...