Hello there,
your bios is the latest version,you don't have to update it.
I have sent the key to you via PM,pls check it in time.
about your wifi problem,you mean you cannot connect your wifi,or something else?
you can try to clear the cmos:First,please unplug the power supply and HDMI cable. Please press the pinhole of "CLR CMOS" with a pin for about 10 seconds.Ten minutes later, plug the power supply and HDMI cable, turn on the PC again. Please wait about one or two minute, if you can go to the system, Please repeatedly press delete key as soon as your restart the PC, go to BIOS. Go to Boot option, enable fast boot, press F4 to save. Here is the tutorial https://mega.nz/file/XypwTISY#DVT0BsjOgiPkZ-drQaj88JH9Z7f7qpKGP2E3nMHW8ms
