Comment 0 for bug 991068

As summary, monitor displays dark purple flashing screen.

Am unable to use console ctrl+alt+f1 - though maybe it's merely invisible rather than not there. - I could possibly test this via a blind login and reset command

Video card is an nvidia 8800 gtx, monitor is an iiyama vision master pro 510 being used with a dvi to rgb converter.

Tested on 12.04 x64, but this issue has been the same for all releases since 10.04