HP Probook 4540s USB 3.0 Driver Windows 7 "unknown device"
The second driver for the HP Probook 4540s is for the USB 3.0 chipset host controller, Windows 7 32/64bit supported, so as the precedent one, if you got unknown device on the device manager with the Hardware ID IUSB3\ROOT_HUB30&VID_8086&PID_1E31&REV_0004, then that's the USB 3.0 chip not installed, this device is related to the Validity Sensor for the finger print so if you need this one you certainly need the fingerprint driver indeed, just download the software bellow and install it.
Laptop: HP Probook 4540s
Hardware: Intel USB 3.0 Host Controller Driver
Hardware ID: IUSB3\ROOT_HUB30&VID_8086&PID_1E31&REV_0004
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HP Probook 4540s USB 3.0 Driver Windows 7 "unknown device" Reviewed by Maherr Live on Monday, August 19, 2013 Rating: