What is Accelerometer?

The genuine Accelerometer.sys file is a software component of HP 3D DriveGuard by Hewlett-Packard.
HP 3D DriveGuard is a peripheral hardware device for select HP ProBook and EliteBook models that protects the hard drive from shocks and drops. Accelerometer.sys is a system driver associated with the 3D DriveGuard. This is not an essential Windows process and can be disabled if known to create problems. HP 3D DriveGuard is a safety device for hard drives that protects them against accidents, and major wear and tear through rough use. The device is named after the three-axis digital accelerometer that acts as a motion sensor, alerting the system of any sharp movements and automatically parking the hard drive to prevent any damage to data. HP 3D DriveGuard supports the Microsoft Windows platform. Hewlett-Packard was founded by Bill Hewlett and Dave Packard, two Stanford graduates in electrical engineering, in 1939. It started out in Packard's Garage in Palo Alto, California. For the major part of the 20th century, the company focused on a wide range of electronic products but slowly grew out into producing computing-specific hardware from the 1970s onwards. Today, it provides hardware, software and services to consumers and various types of businesses and large corporations. Hewlett-Packard is headquartered in Palo Alto, California, USA.

Accelerometer stands for HP Accelerometer system driver

Accelerometer.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if Accelerometer.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for Accelerometer drivers in need of updating

Accelerometer.sys file information

The process known as HP Accelerometer belongs to software HP Mobile Data Protection Sensor or Hewlett-Packard Corporation Mobile Data Protection System by Hewlett-Packard ( or Hewlett-Packard Company ( or HP (

Description: Accelerometer.sys is not essential for the Windows OS and causes relatively few problems. Accelerometer.sys is located in the C:\Windows\System32\drivers folder. The file size on Windows 10/8/7/XP is 22,016 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The Accelerometer.sys file is a trustworthy file from Microsoft. The program is not visible. The service has no detailed description. It is not a Windows system file. Accelerometer.sys appears to be a compressed file. Therefore the technical security rating is 14% dangerous.

Recommended: Identify Accelerometer.sys related errors

Important: Some malware disguises itself as Accelerometer.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the Accelerometer.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

There are no user opinions yet. Why not be the first to write a short comment?

Do you have additional information? Help other users!
What do you know about Accelerometer.sys:
How would you rate it:
Link for more info:
Your Name:

Best practices for resolving Accelerometer issues

A clean and tidy computer is the key requirement for avoiding problems with Accelerometer. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the Accelerometer.sys process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

Accelerometer.sys [all]