Question Lenovo Legion 7 won't boot, stuck in some sort of loop

teutzzu7

Commendable
Jan 20, 2018
5
0
1,510
Hey there!

My Lenovo Legion 7 just arrived yesterday and it had FreeDOS installed on it so I decided to put Win10. Went into BIOS and changed the boot mode from "Legacy" to "UEFI". That's where my problems began.

After doing that, the laptop won't do anything. It just turns on - fans work, keyboard works (it has a "ripple" light effect and that works when I press a key) but the screen remains pitch black. The laptop stays like that for 20-30 seconds, then it shuts down and starts back up by itself only to keep doing the same thing.

Novo, F2 and F12 don't work either. The laptop just won't do anyhting else whatsoever. Can't boot from external drive. Nothing. Plain black abyss accompanied by a silence broken only by the sound of the fans.

What should I do? I'm thinking about trying to reset the BIOS by removing the CMOS battery but I'm afraid that's going to void my warranty...