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so I'm trying to install ubuntu 16.04 LTS on my Lenovo Thinkpad Yoga(20C0006DMS). I don't want windows so I just tried to install ubuntu and chose "erase disk". The installation went fine and I connected to our wifi etc and it told me to restart my computer.

But when I start my computer it won't boot. I've tried to fix the grub-install by the "try ubuntu" option and had to force it because it said something about blocklists.

I tried to disable secure boot/change to legacy boot but it still won't work.

I'm trying to install from a bootable-USB which I used rufus to create.

If I try to take my usb out it gives me 2 choices; to boot from my SSD or from windows boot manager. None of them works.

What am I doing wrong?? :(

Intel Core i5-4210U, 256GB SDSD, 8GB RAM 1600MHz

edit, also i don't know how to quote - this is what happens when i do "sudo fdisk -l" in the terminal right after i installed ubuntu.

Disk /dev/sda: 238.5 GiB, 256060514304 bytes, 500118192 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
Disklabel type: gpt
Disk identifier: 996829B9-60D6-40CE-AC51-265CE46289DE

Device         Start       End   Sectors   Size Type
/dev/sda1       2048   1050623   1048576   512M EFI System
/dev/sda2    1050624 483522559 482471936 230.1G Linux filesystem
/dev/sda3  483522560 500117503  16594944   7.9G Linux swap


Disk /dev/sdb: 3.8 GiB, 4023386112 bytes, 7858176 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
Disklabel type: dos
Disk identifier: 0x02444996

Device     Boot Start     End Sectors  Size Id Type
/dev/sdb1  *     2048 7858175 7856128  3.8G  c W95 FAT32 (LBA)
ubuntu@ubuntu:~$ 

1 Answers1

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Shamelessly stolen from First time installing (erasing Windows) from usb, did everything just so, Boot Device Not Found and adapted to the question.

From an Ubuntu live session, e.g. "Try Ubuntu without installing" from USB-Stick, open a terminal and follow these steps:

1) sudo mount /dev/sda2 /mnt # (If your Linux were on a different partition substitute /sda2 for the partition of your Linux install.)
2) sudo mount /dev/sda1 /mnt/boot/efi # (the efi boot partition)
3) for i in /sys /proc /run /dev; do sudo mount --bind "$i" "/mnt/$i"; done
4) sudo chroot /mnt
5) update-grub

If step 5 throws errors, go ahead with this:

6) grub-install /dev/sda # (/dev/sda is the hard drive that has linux installed (i.e. /dev/sda or /dev/sdb ... etc.)
7) update-grub
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