I am having the same problem as well. I used the quick-install DVD. At first boot, I get the dcerouter login screen that flashes from a blank screen to the login.
Here's an important question for everybody: Does this MB that everyone is talking about have an on-board video card?
This is my problem! During the initial install, it's detecting my on-board P.O.S. Intel vid card, then assigning the driver for it to my new Nvidia Geforce 6200 OC PCI card! I looked in my xorg.conf and found that it's trying to use the "i810" driver on my nvidia card. This ofcourse causes X to repeatedly crash (the flashing dcerouter login prompt).
My BIOS is set for "PCI" as the primary video device, but LinuxMCE is using the PCI card, but detecting my on-board card, and setting xorg.conf to use the on-board's drivers on the PCI card. I plugged in my VGA cable into the on-board, and sure enough, it's not even functioning. So why the hell is it doing this???
I've used the trick of replacing xorg.conf w/ xorg.conf.pluto.avwizard. This will load the wizard, but after trying to select a resolution, it tries to change the resolution immediately, and just reverts back to the crashing X/dcerouter login.
After I pick a resolution, and the flashing login reappears, I went into xorg.conf & changed the driver from "i810" to "nv", this allows me to finish the avwizard, but the resolution is never correct (I suspect because I'm not changing the video card settings to the completely, only the driver it's using). I tried to change the driver entry to "nv" BEFORE starting the av wizard, but it doesn't work.
So the big question is, why is LinuxMCE assigning my PCI video card the deactivated on-board video card's drivers during the initial install setup? And what can I do to xorg.conf to get everything working correctly before i even start the avwizard?
Thanks for your help!