I have a strange problem. After installing ubuntu on usb stick (at already installed ubuntu computer), after removing usb stick with installed ubuntu from computer I get the trouble: after booting to computer I get grub 2 command line. How can I revert it to select ubuntu os by arrow keys (or load ubuntu strictly without grub, as just earlier)? Now, I need to put these commands in grub to automatic load ubuntu:set root=(hd0,gpt2)linux /boot/vmlinuz-3.13.0-52-generic root=/dev/sda2initrd /boot/initrd.img-3.13.0-52-genericbootOutputs of some commands:$ sudo parted -l /dev/sdaModel: ATA WDC WD20EARX-00P (scsi)Disk /dev/sda: 2000GBSector size (logical/physical): 512B/4096BPartition Table: gptNumber  Start   End     Size    File system     Name  Flags 1      1049kB  538MB   537MB   fat32                 boot 2      538MB   1993GB  1992GB  ext4 3      1993GB  2000GB  7446MB  linux-swap(v1)My /etc/fstab:# <file system> <mount point>   <type>  <options>       <dump>  <pass># / was on /dev/sda2 during installationUUID=9310bdc0-b3f5-4258-ad7e-9d1de9dfb161 /               ext4    errors=remount-ro 0       1# /boot/efi was on /dev/sda1 during installationUUID=C4D0-4779  /boot/efi       vfat    defaults        0       1# swap was on /dev/sda3 during installationUUID=d835e59a-4205-4951-9bad-e0d586f52c52 none            swap    sw              0       0
grub2 command line loaded instead ubuntu os
boot;grub2
I've need just manual boot to ubuntu and then just sudo update-grub