Replaced Wlan card as suggested with a Realtek one - WIndows 10 downloaded successfully. Thanks for your help!!

Sounds like a plan - Ive just ordered one and will give a try! Thanks very much for the advice.

Hi,

Like you, I have come to the conclusion there is a BIOS problem. My machine is an NP-S3511-A01DX laptop. I too have tried a new SSD hard drive, and a clean installation, but it always fails on...