HP investigating BIOS updates that leave premium laptop users in boot loop limbo

HP customers are reporting problems with BIOS updates for the PC maker's premium laptops. Over the past few months, customers have used forums to register complaints over unbootable devices, spikes in fan noise, and Blue Screens of Death following BIOS firmware updates. An example cropped up in April, when a user of a ZBook Ultra G1a (a very expensive mobile workstation) complained that a BIOS update had caused the machine to "freeze completely during the boot process." The customer wasn't alone