posted on August 21st 2013, at 10:18
by lunarg
I've encountered several issues on different HP Elitebook Folio 9470m ultrabooks, after updating the BIOS to its latest version (F.46).

One series of ultrabooks with an Intel Hybrid HD (with SSD cache) suddenly stopped working with a BSOD and refused to startup. Reinstallation with the original DVD oddly failed as well, either during installation, or after installing drivers. We've worked around the issue by using a Microsoft (non-HP) DVD to install Windows 8, then download the latest drivers from the HP site.

Another ultrabook with an SSD had another problem altogether, but still related to the BIOS update. After the update, USB devices started to fail intermittently. Both the   ...
On January 16th 2016 at 02:51, Narcis wrote:
Hello. I read that you downgraded HP Elitebook Folio 9470m after updating the bios.
May I ask how you managed to downgrade?
When I try the win+b keys, all I get is a blinking caps lock key, and the fan spinning at maximum, but no bios recovery screen.

I know this is an old post, but is it possible that you can help?