So I flashed my firmware to the latest F6 revision and everything appeared to be fine, rebooted went into the BIOS and confirmed proper settings and then saved and exited.
No boot into Windows 10, hangs part way through the boot.
I then reset the machine and the same thing so I did a clear CMOS procedure, went into the BIOS and confirmed it was showing the latest BIOS revision and then loaded optimized defaults, same thing.
I had to power off the machine and switch to the BACKUP BIOS which still has the F4 revision, let Windows do the repair thing and then it booted fine.
Are you doing it via the BIOS directly? Dont use @BIOS - its a mess.
Make sure the contents of the zip are ona usb drive with nothing else on there are plug it into the correct usb slot on the rear IO panel.
IIRC its white inside and directly above the red usb 3.1 ports.
Boot into bios and do it from the q-flash tool. You also get the option to update both the primary and backup bios at teh same time.
Initiall did it via the @BIOS tool to rev F6 that failed, I then tried again via the Qflash within the BIOS using the F8 key and ffrom the file saved on a USB pen drive.
Neither of them worked.
Going to do some Google searching and see what I find.
No Go I’m afraid, CSM was already enabled on rev F10a
I then disabled the CSM function and saved and exited, stuck at the same boot location.
The boot process hang appears to be just before the Windows desktop inits, under the F4 rev the small Windows 10 icon and the spinning circle of dots disappears and then the desktop loads.
Could this be a fault of Windows or the nVidia device drivers ?
Wendell had a good point, your BIOS settings need mirror the ones active when the initial Windows install occured.
Ergo if WHQL Win8/10 was active in the BIOS during install, it should be now too; likewise if (inversely) it was with CSM ‘Enabled’.
What he did not mention to you, hopefully this sorts you, is that in the former case, one needs also delete and reset the security keys
(to their previous state needless to say)
Another possibility is that either you or the recent BIOS upgrade (as things reset during a flash) messed up AHCI/RAID settings, also a red flag.
Cannot think of anything else that could freeze Windows booting, but will edit if i do.
So I tried a few different things including the AHCI/RAID settings and there was a new F11 BIOS but still not working, hangs on the Windows Boot process.
As a Last resort I will try getting another nVME SSD and then install a fresh copy onto it.
As a side note, are most PCIe addin cards bootable too ?