For those who may be assisted by this RE video problem with nvidia dual display with optimus on puppy precise 5.4.1. I have just been able to boot into vesa mode from live cd using F3/F3 with parameter puppy acpi=off ..... It turns out nomodeset was not necessary. However once on the desktop, the vi...

RE: "I often don't respond to a bug report simply because I haven't got a clue how to fix it. If someone reports a "black screen", there is not much to go on. Often the only apparent solution is to use some other puplet or even other distro that does work with that hardware." Sor...

David there is a known bug in kernel (all distros) video with nvidia particularly optimus, vesa works ok but otherwise blinks black screens etc this is fixed kernel 3.5 (late) and up so I am told - see my post under "5.4.and 5.4.1 beta" under bugs

Somehow (new to forum) I think this has also gone somewhere else as well - appologies Notifying BUG here as it concerns my test of 5.4.1 beta Have just downloaded beta, tried on my Dell Vostro V360 all in one desktop. It boots to a totally black screen (nothing visible) which blinks the desktop on f...