I've been trying to install Oneiric for some time now, and I've looked everywhere for a solution to the problems I've been having. So far, I've attempted four times to install it, so now I'm up to a point of panic.
So I grabbed the 11.10 x64 iso from the website, and after verifying that the md5 hash is correct, I burned that onto my last remaining clean CD.
On my first attempt, everything went perfectly up to the middle of the installation, and the progress bar stopped when it said: "configuring target system." I could do everything else, only the installation seemed to have stopped.
After I googled my problem, I went and used the "check disc for errors" option, which said everything was fine. Then I tried the installation again, only this time, I selected "Install Ubuntu Now" instead of the "try before installing". Again, the same problem.
My second and third tries didn't even reach the installation phase. It just stopped at the 5 blinking dots and never went any further.
I used the same non-rewritable cd for all the attempts, as the error check didn't show any problems and because I'm currently out of usable cds.
System: Core i3 CPU @ 3.4 GHz, 500 GB HDD (250g used for Win7, 70g used for preexisting system partitions, 180g unallocated).