Lenovo Legion on Twitter: "@Sibmount Hi Simon! We apologize for having thermal issue. We can fix this by going back to the old BIOS version. Kindly access your BIOS and tell us
LEGION-Y540-15IRH-can-t-boot-on-USB-drive-no-key-to-access-the-BIOS - English Community - LENOVO COMMUNITY
LEGION-Y540-15IRH-can-t-boot-on-USB-drive-no-key-to-access-the-BIOS - English Community - LENOVO COMMUNITY
Biareview.com - Lenovo Legion Y540
Installing MacOS Catalina on Legion Y540 Step 1 - BIOS Settings | The Traveler Techie
Lenovo-Legion-Y540-15IRH-doesn-t-boot-after-BIOS-update - English Community - LENOVO COMMUNITY
How to get into the BIOS on Lenovo LEGION Y530, enter bios, acces to bios - YouTube