Quote:
Originally Posted by yancek
Did you install Kubuntu to a flash drive or an external hard drive?
Is Kubuntu an EFI install? I expect windows is, correct?
If so, did you create a separate EFI partition for Kubuntu on the drive on which you installed it during the install process?
When you say the USB needs to be plugged in to see a boot menu, which USB drive are you referring to? The one you installed to or the one you installed from? If you created an EFI partition on the USB drive to which you installed Kubuntu and installed the EFI Grub on that drive, you would simply set that drive to first boot in the BIOS for it to work.
I'd suggest booting Kubuntu to get some information by running the following commands and posting them with their output here:
Which entries? You said you installed Kubuntu to a USB so you need to clarify what you are referring to. One thing Grub Customizer does is rename some files and users have had problems with it for this and other reasons. I've not used it so have no suggestion in regard to that software.
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Thanks yancek for your response, and sorry for my lack of specifics.
I installed Kubuntu to a 128GB sandisk USB (3.2 gen1) flash drive.
I believe that it is EFI install, but not 100% sure.
I did not create any partitions on the target drive when installing.
It is the target USB flash drive that needs to be plugged in at boot time, i.e. the one that Kubuntu was installed on to.
The entries I was referring to are the ones that are displayed in the Grub boot menu (when booting with the Kubuntu flash drive plugged in).
Below is the output of the commands that you suggested:
sudo fdisk -l
Disk /dev/loop0: 74.24 MiB, 77844480 bytes, 152040 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop1: 4 KiB, 4096 bytes, 8 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop2: 269.63 MiB, 282722304 bytes, 552192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop3: 10.72 MiB, 11239424 bytes, 21952 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop4: 505.09 MiB, 529625088 bytes, 1034424 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop5: 91.69 MiB, 96141312 bytes, 187776 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop6: 443.99 MiB, 465559552 bytes, 909296 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop7: 437.62 MiB, 458878976 bytes, 896248 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/nvme0n1: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: CT1000P2SSD8
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: EE99054E-C223-44AD-94DD-A186711A576D
Device Start End Sectors Size Type
/dev/nvme0n1p1 2048 206847 204800 100M EFI System
/dev/nvme0n1p2 206848 239615 32768 16M Microsoft reserved
/dev/nvme0n1p3 239616 417925119 417685504 199.2G Microsoft basic data
/dev/nvme0n1p4 417925120 419667967 1742848 851M Windows recovery environment
/dev/nvme0n1p5 419670016 1952481279 1532811264 730.9G Microsoft basic data
/dev/nvme0n1p6 1952481280 1953521663 1040384 508M Windows recovery environment
Disk /dev/sda: 114.6 GiB, 123048296448 bytes, 240328704 sectors
Disk model: SanDisk 3.2Gen1
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x009b4e7b
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 240316334 240314287 114.6G 83 Linux
Disk /dev/loop8: 99.58 MiB, 104415232 bytes, 203936 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop9: 38.73 MiB, 40615936 bytes, 79328 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop10: 137.29 MiB, 143962112 bytes, 281176 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
sudo efibootmgr -v
BootCurrent: 0001
Timeout: 1 seconds
BootOrder: 0001,0000,0005,0002,0003
Boot0000* Windows Boot Manager HD(1,GPT,8cfcf72d-6ae4-4296-a368-f89d3ba3a273,0x800,0x32000)/File(\EFI\MICROSOFT\BOOT\BOOTMGFW.EFI)57494e444f5753000100000088000000780000004200430044004f0042004a 004500430054003d007b00390064006500610038003600320063002d0035006300640064002d0034006500370030002d0061 006300630031002d006600330032006200330034003400640034003700390035007d0000002c000100000010000000040000 007fff0400
dp: 04 01 2a 00 01 00 00 00 00 08 00 00 00 00 00 00 00 20 03 00 00 00 00 00 2d f7 fc 8c e4 6a 96 42 a3 68 f8 9d 3b a3 a2 73 02 02 / 04 04 46 00 5c 00 45 00 46 00 49 00 5c 00 4d 00 49 00 43 00 52 00 4f 00 53 00 4f 00 46 00 54 00 5c 00 42 00 4f 00 4f 00 54 00 5c 00 42 00 4f 00 4f 00 54 00 4d 00 47 00 46 00 57 00 2e 00 45 00 46 00 49 00 00 00 / 7f ff 04 00
data: 57 49 4e 44 4f 57 53 00 01 00 00 00 88 00 00 00 78 00 00 00 42 00 43 00 44 00 4f 00 42 00 4a 00 45 00 43 00 54 00 3d 00 7b 00 39 00 64 00 65 00 61 00 38 00 36 00 32 00 63 00 2d 00 35 00 63 00 64 00 64 00 2d 00 34 00 65 00 37 00 30 00 2d 00 61 00 63 00 63 00 31 00 2d 00 66 00 33 00 32 00 62 00 33 00 34 00 34 00 64 00 34 00 37 00 39 00 35 00 7d 00 00 00 2c 00 01 00 00 00 10 00 00 00 04 00 00 00 7f ff 04 00
Boot0001* Ubuntu HD(1,GPT,8cfcf72d-6ae4-4296-a368-f89d3ba3a273,0x800,0x32000)/File(\EFI\UBUNTU\SHIMX64.EFI)
dp: 04 01 2a 00 01 00 00 00 00 08 00 00 00 00 00 00 00 20 03 00 00 00 00 00 2d f7 fc 8c e4 6a 96 42 a3 68 f8 9d 3b a3 a2 73 02 02 / 04 04 34 00 5c 00 45 00 46 00 49 00 5c 00 55 00 42 00 55 00 4e 00 54 00 55 00 5c 00 53 00 48 00 49 00 4d 00 58 00 36 00 34 00 2e 00 45 00 46 00 49 00 00 00 / 7f ff 04 00
Boot0002* UEFI: PXE IPv4 Intel(R) Ethernet Controller (3) I225-V PciRoot(0x0)/Pci(0x1c,0x6)/Pci(0x0,0x0)/MAC(1c697aa7c1a5,1)/IPv4(0.0.0.00.0.0.0,0,0)0000424f
dp: 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 06 1c / 01 01 06 00 00 00 / 03 0b 25 00 1c 69 7a a7 c1 a5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 / 03 0c 1b 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 / 7f ff 04 00
data: 00 00 42 4f
Boot0003* UEFI: PXE IPv6 Intel(R) Ethernet Controller (3) I225-V PciRoot(0x0)/Pci(0x1c,0x6)/Pci(0x0,0x0)/MAC(1c697aa7c1a5,1)/IPv6([::]:<->[::]:,0,0)0000424f
dp: 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 06 1c / 01 01 06 00 00 00 / 03 0b 25 00 1c 69 7a a7 c1 a5 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 / 03 0d 3c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 / 7f ff 04 00
data: 00 00 42 4f
Boot0005* UEFI: Generic USB SD Reader 1.00, Partition 1 PciRoot(0x0)/Pci(0x14,0x0)/USB(1,0)/USB(1,0)/HD(1,MBR,0x0,0x800,0xecd800)0000424f
dp: 02 01 0c 00 d0 41 03 0a 00 00 00 00 / 01 01 06 00 00 14 / 03 05 06 00 01 00 / 03 05 06 00 01 00 / 04 01 2a 00 01 00 00 00 00 08 00 00 00 00 00 00 00 d8 ec 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 01 / 7f ff 04 00
data: 00 00 42 4f
sudo ls /boot/efi/EFI
Boot Microsoft ubuntu