![]() The big caveat is that you may need to use the firmware's built-in boot manager to select that disk, and the details of how to access that boot manager vary from one computer to another. The firmware looks for this filename on removable disks. The usual way around this problem is to use the default/fallback boot loader filename, EFI/BOOT/boot圆4.efi, on the EFI System Partition (ESP that's your FAT32 partition). Your problem is that the EFI boot process stores data on the boot loader's location in NVRAM, so when you install on one computer and then move the disk to another computer, the second computer doesn't know where to look to find the boot loader. So how can I make a portable system on external SSD, that will boot on every UEFI computer, but not only on mine? And in fstab I changed the UUID of EFI partition: before it pointed to /dev/sda1, now it points to /dev/sdc1. In /boot/grub/grub.cfg replaces all hd2 with hd0. Attempt 4: tried to modify grub.cfg and fstab. Nothing new - it goes down the list of entries until Windows Boot Manager. Attempt 3: tried to modify efi files.Ĭopied grub圆4.efi from /dev/sda1 to dev/sdc1 and renamed to boot圆4.efi. If I choose Windows Boot Manager Windows starts well. entries) a black screen with blinking text cursor appears and nothing wants to start. But after plugging the internal drives, on booting from external (both ubuntu and UEFI TS512. After rebooting system started and worked. Attempt 2: with unpluged internal drives. (boot entry with label of the external SSD), it seems that the next entry works ( Windows Boot Manager). If the external SSD is off - a black screen Minimal BASH-like line editing is supported appeared. If my external SSD is plugged and I choose every of this 2 entries - everything works well: Kubuntu starts and works. My partition table: 512Mb - EFI - fat32īootloader was installed on External SSD (/dev/sdc).Īfter rebooting I found 2 boot entries ubuntu in UEFI. GRUB was checked: version 2.02, EFI (not grub-pc). Kubuntu distro: LiveUSB, created with Universal USB Installer 1.9.5.4, Kubuntu 14.04 LTSĮxternal SSD was partitioned with GParted, partitions are alligned.Īfter each installation SSD was formatted and repartitioned. My computer: UEFI, Core i7 - 4 cores, Windows 7 Ultimate 64bit, 2 internal drives with GPT, external SSD with GPT. ![]() I made some attempts but all of them were unsuccessful. The problem: after installation Kubuntu on external SSD ( Transcend ESD400 512Gb) on UEFI computer I can't use it on another one.
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