Trying to boot into the 12.10 live installation from a USB stick on ASUS Zenbook Prime UX32VD. After GRUB it just shows a blank screen. It's an UEFI system, so from the boot manager I picked UEFI: USB DISK PMAP and as advised in here, changed the splash parameter to nomodeset. So the parameters are:
setparams 'Try Ubuntu without installing'
set gfxpayload=keep
linux /casper/vmlinuz.efi.signed file=/cdrom/preseed/ubuntu.seed boot=casper quiet nomodeset --
initrd /casper/initrd.lz
I've already tried re-creating the USB stick, removing the quiet parameter and not changing the splash parameter, but neither of those made a difference.