So I'm not sure what's going on, but I'll describe the symptoms:

I have a C2D (E6600) with 2Gb of DDR800 and an Nvidia 8800GT. I had this setup running one of the Hardy flavors a while back, but it had since been wiped.

I'm now trying to install 10.10 x64 on it.

When using the LiveCD, I get to the purple screen (desktop background). It just hangs there. I read some other threads to try it with nomodeset, no splash, no quiet, so I did that. It's not hanging during the boot process where you'd see something the splash is hiding, it's where it turns over to gnome.

So if I turn all that off, I get it to show up on the purple screen, but every five seconds or so, it flashes like it's reconfiguring the display (crazy colors, black screen, lines, then back to purple), then it pulses ... goes brighter, then back to normal and then sits.

I dropped into a command prompt and looked at /var/log/messages (dmesg doesn't have anything useful) and it tells me that nautilus has a general protection error in libdbus, gnome has a general protection error in libgobject, and then apport has a general protection error in python2, then apport apparently generates a core, then aborts the core.

This cycle happens literally for about 20 minutes. Then we get to the purple splash screen. The dots cycle for a while, then just sit there. Five dots under the Ubuntu logo, black screen if I press escape, and nothing new in /var/log/messages. Dmesg starts telling me that "task_nautilus" is blocked for more than 120 seconds.

The alternate is no better. It asks a couple questions, then on the second scrollbar (just after it scans the cd), just hangs. No info, just never goes past 0%.

Now, this is with a disk I checked (md5 and all that) and just used to install the same OS to another E6600 computer sitting right next to it (4Gb RAM, different NVidia card, think it's a 480). I can't switch the video cards at the moment because I can't take down the other computer (it's a work computer). That'll be the next step I try when I get time.

Ideas to progress?

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