Black screen instead of bios/efi after installing ubuntu on lenovo b590. How to recover?

Question

linux

In general, Google did not help me, I turn here with the last hope.
On the laptop was win 8, I decided to demolish it. Installed ubuntu 14.04. Then, after expanding the memory, it was necessary to install the x64 version, I decided to install eOS (elementary OS based on Ubuntu 12.04). It works to this day and I write from it, but here's the problem, the entrance to bios disappeared (I pressed all combinations), the corporate logo disappeared. I put a hard drive from another laptop, win7 was there. The laptop starts up successfully, but the screen is dark from the very start (The LEDs did not even go out, but I heard the sound of a successful win7 boot)
Yes, by the way, it was not me who broke the disk, but eOS itself during installation (I decided this because eOS was supposed to be the only Axis on car).
As I also understood, lenovo has its own cant about accessing the bios file system.

Answer 1

Did you install it in efi mode? There is a bunch of information here (he only eliminated something similar with ASUS, but for a long time).

Answer 2

Hello, I have a problem on my computer, please help me. I have a black screen and no buttons work except f2. And she only loads uefi dualbios and that's it. Help fix this.