Trouble with Linux?

Question

linux

Initially, there was Win10, from under it I made a bootable USB flash drive with Linux Mint.
Before that, I divided my ssd'shnik (250GB) into two volumes, gave the second volume 50GB.
I booted from a flash drive, clicked “Install Mint” in Linux, chose automatic installation (next to win10), and then the system offered to stay and reboot, I chose the second option. Then there was such a screen (Please remove the installation meduim, then press ENTER), I pulled out the flash drive, and pressed Enter (as it was written on the screen). Then the laptop rebooted into win10. A 511MB volume was created. But I can't get into Linux. It was loaded from both sections that were in the boot menu - zero sense. The most interesting thing is that there is less memory on the ssd. Help me please

Answer 1

Install rEFInd - and the troubles will end quickly!

Answer 2

Install the grub bootloader by booting from the flash drive in live cd mode.
According to this or any other instruction.