Entering Into Bios, Sony Vaio VPCS125FG
Not all of laptops / notebooks showing information the way to get into the bios setup when the computer is turned on, including the Sony VAIO notebook series VPCS125FG.
On Sony VAIO series VPCS125FG, to get into the bios setup the way is:
Press the Esc key and then F2 (quickly and repeatly) when the laptop is turned on before loading the Operating system.