When you turn on the laptop, a black screen, I think the video card burned out. How to switch to another even if it does not enter the BIOS?

Question

Iron

In short, I turn on the black screen. The bios does not enter or it simply does not display, just a black screen is on. I believe this is a vidyuha. There are 2 video cards intel built-in and nvidia discrete. It turns on the indicators work and even some function keys, brightness, etc. what to do xs. How to switch to discrete kkptu even if the bios is not displayed.

Answer 1

I had to reset the bios by removing the battery from the motherboard.

Answer 2

Connect an external monitor.

Answer 3

Try turning it on from the battery. Usually in offline mode it works from the built-in video card.

Answer 4

I sentence the north bridge