Windows 10: BIOS Update, Computer Not Connecting to WIFI

After using a wifi pineapple and going into my network settings I changed the Ethernet settings on my pineapple to WIFI in control center. I could no longer connected to WiFi. Says no internet, secured. I restarted my computer and it says I have to create a new PIN because of the BIOS update that happened when I restarted. It says I need to connect to WIFI to login to my Microsoft account but no WIFI is connecting. Says "No internet, secured" on all wifi I try to connect to. I can connect to wifi fine on my other computers and phone. I can't login to my computer because of this. Please help! h

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Trouble updating BIOS on Dell computer  

I seem to be back online with the stricken computer! I'm not sure why though so let me detail what I did and maybe someone can make sense of this:

1. I ran the Dism /Online /Cleanup-Image /RestoreHealth and it seemed to work fine: there were no error messages, in fact virtually no messages at all beyond a successful completion message. I was pleased but suspicious since Dism also swore that there was nothing wrong in the first place.
2. I tried to run the BIOS update. After the UAC prompt, I got the message "Unable to access the BIOS Monotonic Protocol". I have *no* idea what that means.
3. Just for the heck of it, I ran the WiFi update and it claimed to work. (Yesterday, when I ran the WiFi update before I'd done the Dism /RestoreHealth, it got stuck on trying to create a restore point for a very long time and then ultimately failed.) When I looked in Device Manager, it was unchanged: the General tab still says there is no driver while the Driver tab says the driver is current. My WiFi was still "disabled" and I was unable to enable it.
4. I rebooted again thinking that might help because the newly repaired drivers may not be accessible until reloaded by a reboot. Then, what to my wondering eyes should appear, but a WiFi icon showing that I was connected. I checked my email and went online to look at the current news and both worked fine!!!

I seem to have my connection back but I have a feeling there are still some things I need to attend to, like the BIOS update and the other urgent updates identified by Dell for my service tag. What would you suggest I do at this point? I'm tempted to "take the win" and just get back to doing what I was trying to do before all this trouble but I bet you'll advise against that.... By the way, the flash drive that was behaving in a wonky fashion earlier in this ordeal seems to be behaving normally again.

 

MSI 5870 BIOS Update

Still can't reproduce. Could you please post the exact BIOSes that produce the issue?

 

Can't connect to wifi after Windows Update

I have now tried all of the suggested steps at least twice.

The only instance of seemingly achieving any progress was the first time I performed a clean boot, when the wifi connection actually worked. But after that, I tried following the steps to isolate the problem and then after restarting the computer, all of
my wireless features have disappeared again. I have tried repeating the entire sequence of steps again, but the wifi hasn't worked again. It just worked that one time, but I don't know why it was different that time.

I have been trying to fix this for over 11 hours, but haven't been able to connect back to wifi.

I would like to know if rolling back the Windows Update is an option and, if so, how to do that and how to prevent Windows from updating again.