Mine was flickering on a Dell external monitor. It didn't happen so much if you had it as the main monitor (i.e. the one the tab-application switcher appeared o

Mine was flickering on a Dell external monitor. It didn't happen so much if you had it as the main monitor (i.e. the one the tab-application switcher appeared on). Other wise it would constantly go into power saving mode and then come back on - works fine with Debian!