![]() ![]() Also, the message consisted of only about four of five words.Īfter this I saw the familiar Ubuntu bootup screen with the image of a keyboard and a person/stick-figure at the bottom of the screen. The message was only displayed for a fraction of second so the only words that I remember were "UEFI" and "secure". During the initial stages of the boot process the screen blinked and I saw a UEFI-related message on the top-left corner of the screen. The machine booted up from the USB stick. > When you tried to boot the image, what happened? At what point did the machine become unresponsive? I used Startup Disk Creator from another machine that was running Ubuntu 12.04.1 (64-bit). > Can you tell us how you prepared the USB stick for booting? This allowed me to boot from the USB stick. I remember that it was on an unexpected place in the BIOS (AFAIK). Eventually, I found an option that said something to the effect that enabling it will allow both legacy and UEFI boot. ![]() I tried changing several obvious things in the BIOS such as the boot device order. I tried booting the computer using the 12.10 (64-bit) USB stick but it would not recognize it as a bootable device. > Can you confirm that you had specifically configured your BIOS to boot in UEFI mode? But I will try to answer your questions the best I can: Maybe it is faster to simply install Windows 8 again on a UEFI PC.I did not expect this to happen in my wildest imagination and, hence, did not pay too much attention to the exact steps I followed. ![]() The procedure to convert BIOS to UEFI is rather complicated. Note that you can’t use this method to convert a BIOS installation to UEFI because the EFI partition would be missing in your backup. Initialize disk with GPT partition scheme Windows 8 booted up in UEFI mode without problems afterward. The solution was to boot from True Image boot media and then initialize the disk with GPT (Tools -> Add new disk -> Initialization Options.) I could then selectively restore the partitions from my backup. I wasn’t even able to delete the partitions on the SSD with the Windows 8 disk management tool on my Windows To Go installation. I guess the reason was because True Image tried to copy its Linux-based OS to the SSD, which was somehow totally blocked. Restore a GPT partition scheme with True Image True Image then tried to boot up its own operating system, but this failed with the error message: Kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(1,0). However, it appears True Image was no longer able to modify the SSD disk, even though I booted up from a USB stick. ![]() In disk mode, True Image automatically detects that the backup was created from a GPT partition scheme. Unfortunately, it wasn’t so easy to get rid of the BIOS installation again because a restore in disk mode failed. This was enough to convert my Windows 8 installation from UEFI to BIOS. What happened? Since I restored in partition mode, Acronis True Image initialized the new SSD with the MBR partitioning scheme and not with GPT. I wasn’t very pleased because I knew that the PC wouldn’t boot up if I changed the configuration back to UEFI. Restore a UEFI installation as BIOS installation with True Image ![]()
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