How to enter the BIOS on most ASUS laptops - The easy way! - YouTube
Notebook/AIO] How to update BIOS in Windows | Official Support | ASUS USA
Specs ASUS X58L-AP048C notebook T3400 39.1 cm (15.4") Intel Pentium Mobile 2 GB DDR2-SDRAM 250 GB Intel® GMA X3100 Windows Vista Home Premium (X58L -AP048C)