I have no /var/log/messages or dmesg | tail because the laptop won't boot into Debian Buster at all.
I managed to use Debian Xfce 10.2 Live Non-Free Firmwares USB Stick. More information is given below: user@debian:~$ sudo fdisk -l Disk /dev/sda: 238.5 GiB, 256060514304 bytes, 500118192 sectors Disk model: INTEL SSDSCKKF25 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: C88E769C-28A4-4F5B-9BF2-C20843BF3120 Device Start End Sectors Size Type /dev/sda1 2048 534527 532480 260M EFI System /dev/sda2 534528 567295 32768 16M Microsoft reserved /dev/sda3 567296 498069503 497502208 237.2G Microsoft basic data /dev/sda4 498069504 500117503 2048000 1000M Windows recovery environment Disk /dev/sdb: 931.5 GiB, 1000204885504 bytes, 1953525167 sectors Disk model: Expansion Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: gpt Disk identifier: F4086DD7-3948-44C9-A568-3983799F9420 Device Start End Sectors Size Type /dev/sdb1 2048 4095 2048 1M BIOS boot /dev/sdb2 4096 58597375 58593280 28G Linux filesystem /dev/sdb3 58597376 65458175 6860800 3.3G Linux swap /dev/sdb4 65458176 1083490303 1018032128 485.4G Linux filesystem /dev/sdb5 1083490304 1953523711 870033408 414.9G Microsoft basic data Disk /dev/sdc: 28.8 GiB, 30943995904 bytes, 60437492 sectors Disk model: DataTraveler 3.0 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: 0x2bfbca39 Device Boot Start End Sectors Size Id Type /dev/sdc1 * 2048 60437491 60435444 28.8G c W95 FAT32 (LBA) Disk /dev/loop0: 2.3 GiB, 2510594048 bytes, 4903504 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 user@debian:~$ cat fstab # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See fstab(5). # # <file system> <mount point> <type> <options> <dump> <pass> # / was on /dev/sdb2 during installation UUID=673a0bbc-3b77-4f7a-bd24-8fbe85112fef / ext4 errors=remount-ro 0 1 # /home was on /dev/sdb4 during installation UUID=fdd6143f-b410-473c-acca-779b7a0783d4 /home ext4 defaults 0 2 # swap was on /dev/sdb3 during installation UUID=0185056f-3fee-4269-b59c-7188410d7133 none swap sw 0 0 Thank you. Sincerely yours Adrian D'Costa On Fri, Dec 20, 2019 at 6:28 PM Adrian D'Costa <adriandcos...@gmail.com> wrote: > I am trying to install Debian 10.2 XFCE DVD with non-free firmware. > > It says on the monitor everything has completed successfully. Now remove > the removable media from which is the USB stick and boot into your new > system. > > But the computer doesn't boot into newly installed Debian Buster. > > I have installed Grub in the MBR (Master Boot Record of Seagate's USB > expansion drive). > > The Lenovo laptop is setup with the setup UEFI as UEFI and BIOS both, with > BIOS first. > > Can anybody kindly tell me what I am doing wrong? Can anybody kindly point > out where am I making the mistake? > > Shouldn't the computer load the MBR's Grub as I have pointed the boot > order (first by pressing continuously F2 and changing Boot Priority and > then Boot Option by pressing F12) to the Seagate USB expansion drive? Let > me know if you need any information or setting info about installed Debian > Buster's configuration. > > Thank you. > > P.S. For your information I previously installed Debian Squeezy's GRUB on > to the same Seagate's MBR. But now I deleted all the partitions and used > the guided automatic partitioning scheme that came with Buster and have a > fresh install. I have turned off Secure Boot. > > >