Every time I open my Lenovo U310 laptop, I'm always being showed this screen (which is in the 1st slide). I've tried to fix this by changing the settings in the BIOS
Lenovo Z500 BIOS'ta secure boot ayarı yok | DonanımHaber Forum
قاب کف لپ تاپ لنوو Lenovo IdeaPad Z500 Laptop Bottom Case _Cover D