The acronym BIOS stands for Basic Input/Output System.
And if it hopefully loads, its because its let to Legacy mode, it wont auto change and stop working will it? The person even mentions that a Legacy Windows install wont work with UEFI so you have to reinstall But then again.."personalised settings (not responding)". And so updating to UEFI (with Windows reinstall) should hopefully fix it. I spoke to Microsoft support and they told me its to do with RAM.If not, there may be little point in taking the risk by updating.Sometimes you will need to update the BIOS in order for the motherboard to properly support a new processor or other hardware, or to fix bugs and improve stability or performance.See also: How to install Windows 7 Before you start, heed this warning: if something goes wrong during the BIOS update, your computer could be rendered useless.If there's a power cut, or the computer gets turned off while updating, it could mean that it's unable to boot at all.