I used my BBQ10 data plan (while using the phone as a hotspot) to upgrade my Dell Inspiron N5040 from Windows 8.1 to Windows 10.However,since the upgrade,the laptop's WiFi fails to discover my BBQ10's mobile hotspot when the hotspot is turned on.Stranger still,it discovers my friend's BlackBerry Bold 9930 hotspot but not mine when both phones hotspots are turned on!Please,what do I do?