G41 and G43 take the same UEFI/BIOS. Should find the latest here;
http://forum-en.msi.com/index.php?topic=161593.0
If you used Live Update to flash the UEFI/BIOS, lucky it didn't brick it!
http://forum-en.msi.com/index.php?topic=161593.0
If you used Live Update to flash the UEFI/BIOS, lucky it didn't brick it!