That was the easy part for me - you have to tell the bios to boot in 
"AHCI" sata mode vs. fake/crap raid.  My system was the same, an asus 
that came with dual-ssd's in raid0 from the factory.  Once I took out of 
"raid" mode, I could mod the disks, wipe the partitions with gdisk, and 
start over.  Made win8 gone fast.

My issue is the installer hangs at their damn ubuntu one login prompt - 
there simply is no way apparently to bypass it telling it "no, I don't 
want your $*%&% ubuntu one now", with or without any networking 
enabled.  Bug reports say it's been broken 12.04, but at least in 12.04 
I could just bypass the crap gui install with an alt installer (with all 
my raid/dm functions even!).

Odd issues might be with the flash disk, as even the 12.04 installer 
wouldn't work with the alt install put on a usb flash with unetbootin, 
staying the "cd was corrupt".  The default ubuntu "make bootable usb 
flash" utility just hangs, crashes, never finishes, and seems plagued 
with perpetually unfixed issues to this day.  I've never gotten it 
working since they began putting it in since 10.04 or so...  I've never 
seen this before, but this is the first time I've been forced to install 
from usb without a dvdrom on-system - going to try a usb dvdrom to see 
if it behaves any better, assuming some bug around booting from flash.

I could chronicle my of-late vitriol toward ubuntu, but it'd devolve to 
a rant session sadly as there's simply so much in just the past few 
months.  Use of 12.04 was buggy enough on all my systems to prompt 
upgrade and pray, and 3 almost identically built systems behave/upgraded 
3 different ways or either success (upgrade without issues), failure 
(unbootable system), or half-broken (blew up gconf, rebuild gtk 
profiles, various application broken-ness).  I just find more and more, 
there are chronically unfixed issues with just about most major aspects 
of the os, that sadly they just keep layering more new, broken features 
atop of vs. stepping back and fixing the base.  Retarded decisions like 
dropping the Alt installer for an obviously broken/incomplete desktop 
installer just adds insult to usability woes, leaving no adequate 
work-around whatsoever.

Just seems Canonical is going to the way of M$, forcing "features" or 
corporate agenda (ahem, ubuntu one, unity, mir) while languishing on 
core stability and function.  Every release since 10.04 has been 
significantly worse than the last for me, taking a precipitous decline 
after unity was being force-fed.

-mb


On 12/16/2013 03:43 PM, Dazed_75 wrote:
> Actually the installer works as well as always EXCEPT in the presence 
> of UEFI and Secure Boot.  They also seem to get in the way of 
> installing from flash drive.  But since flash drives are sometimes 
> seen by BIOS/UEFI as USB Hard drives, USB CDs, USB ?devices, etc you 
> now have to look further into Boot Order/Prioriy settings and 
> sometimes they are disabled for booting.
>
> I have also been fighting an issue similar to yours.  It appears my 
> problem is the computer I am working on came from Lenovo with 
> BIOS/UEFI RAID0 turned on and I have found no way to get rid of it and 
> still be able to reinstall the OEM installed Windows 8 for the woman.  
> That is a problem since Ubuntu (and likely Linux in general) does not 
> see the FAKE raid0 but rather two innaccessible drives.  The only 
> thing I got to work was to turn off the RAID, install Win8 from a real 
> install disk and then install Ubuntu from a CD rather than a flash 
> drive (unless the BIOS/UEFI excluded USB CD is how it sees my flash 
> drive).
>
> I know the alt CD was removed because its primary use was (upgrades) 
> was taken over by the install CDs.  Even running the Installfests, I 
> have not missed the alt CDs.
>

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