Hi Guys, David,
I've downloaded and burnt a CD from exegnu-jessv-20141125.iso. Its fine, checksum matches. So I thought that I would try it as a live CD on this, my usual machine.
The CD boots up as I would expect except for a couple of things. After all the boot process, I'm left with a text screen with a list of boot processes, which never finishes. The last item refers to IPV6 and a blank line. Pressing enter gives me a prompt at which if I enter "startx" takes me to a totally black screen. I minute later I get the start screen for "exegnu" as a panel in the top left corner of the screen. After this screen has finished I'm left with the normal taskbar at the bottom and a totally black background.
I cannot get anything from any mouse button on this background, I can however access items from the normal menu and the icons on the taskbar. Locating the screen menu items, whilst it allows me to go through the settings, does nothing. Curiously the "Scan rate" box shows zero and is not changable.
Everything else seems to function as I would expect.
The machine is a 3Ghz intel P4 dual core, 1.5Gb ram, on board 64Mb SIS 661 Graphics, SIS 661FX chipset, SIS 7012 sound, SIS 900 Ethernet.
HTH.