![]() If I don't find a solution, I'll have to continue to boot my computer from an Ubuntu memory key to do my backups.or maybe I'll sell this computer as it's still in good shape, and switch manufacturer.Lenovo seems to be doing well. ![]() But I still don't know if this issue was always there, and people just didn't know because consumer grade 1TB and 2TB drives were not out there 2-3 years ago, or whether it's a new issue caused by recent updates. The HP site has references to older editions of this software up to Vista, so the downloads seem to be available. I've found plenty of posts on the Internet where HP notebook users have lost access to their USB mouse, or a USB camera, etc., after installing an update of Data Protection Sensor. By looking at the partitions you also get a sense of how HP customizes preloaded OSs. If by that they mean they have packaged extra utilities, or they have actually modified the OS, I don't know. I remember seeing somewhere on one of the HP utilities (either Advisor or Assistant) that this was a "customized" version of Windows 7. The only solution I see at this point is to remove the HP Mobile Data Protection Sensor permanently, but everything I have tried so far has failed. I tried to roll back the driver to an old 2009 version, but the results were the same (there may be other files associated with the driver that did not roll back to 2009). I seems like, somewhere between a year and a half ago (when I got my last external disk) and now, the Data Protection Sensor sofware has been changed in a way that it is not compatible with newer disks. Oddly enough, other external USB disks that I've been using for the past 3 years still work fine, as do USB memory keys. On a few occasions, when the Data Protection Sensor took too long to reinstall, the larger external drives were recognized and mounted properly (an entry was visible under Disk Drive and USB Mass Storage in the Device Manager, the disks showed under Disk Management, and they were accessible under Computer). But as soon as the Data Protection Sensor finished reinstalling itself, the disks were dismounted (they disappeared from Disk Drive, USB Mass Storage, Disk Management, and Computer) and they were moved to Other Devices with a yellow exclamation point in the Device Manager. I created a security policy to prevent the system device from being reinstalled using it's device ID (ACPI\ACPI0003\2&DABA3FF&2), but it somehow circumvented the policy and reinstalled itself. the Data Protection Sensor reinstalls itself. I've uninstalled multiple times, rebooting in safe mode, but even in safe mode. I disabled a service called 'HP Service" thinking that may be triggering the reinstall, but each time I reboot, the service has changed itself to "Automatic" instead of "Disabled". I've uninstall the HP 3D Driveguard software with CCleaner, hoping that would get rid of loose ends, registry keys, etc., but although Driveguard did not come back, the Data Protection Sensor did. ![]() I've uninstalled the HP Mobile Data Protection Sensor in Device Manager (checking the box Delete the Driver Software for this Device), but upon reboot it loads again. It is the hpdskflt.sys file that is loaded onto each disk drive (visible in Drive Details in Device Manager) that is blocking the larger drives to be properly recognized. The HP Mobile Data Protection Sensor entry in Device Manager -> System Devices has five associated files:Ĭ:\Windows\System32\drivers\accelerometer.sys I've uninstalled Data Protection Sensor and when I reboot the computer, the larger drives are detected and they work, but around 90 seconds later Data Protection Sensor reinstalls itself and kicks the larger hard drives out. The combination of HP 3D Driveguard (software) and HP Mobile Data Protection Sensor (system device) are preventing me from using newer, larger (1TB and 2TB) external USB hard drives. ![]() Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet.DesignJet, Large Format Printers & Digital Press.Printing Errors or Lights & Stuck Print Jobs.Notebook Hardware and Upgrade Questions. ![]()
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