If you have an HP laptop with an unknown device with hardware-id HPQ6001, it's the HP wireless button driver. Apparently some models on their support website lack this driver in the download list (it was the case for a HP Envy Touchsmart 1230eb).

Direct link to download: http://ftp.hp.com/pub/softpaq/sp58501-59000/sp58720.exe

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   ...

It's quite easy to accidentally disable the touchpad on a HP Probook 4520s: double-tapping the left-top corner of the touchpad triggers the enable/disable switch. A LED indicates whether the touchpad is on or off: when the LED is lit, it means the touchpad is disabled, and vice-versa.

Users who are not aware of this feature can be looking to re-enable the touchpad for quite some time. A customer had a similar issue, and I was unaware the touchpad switch was actually built in the touchpad itself.



To re-enable the touchpad, all he had to do was double-tap the LED in the left-top corner. From a design perspective, it's quite neat, but not really user-friendly, or do we really have to read t  ...