Unknoun device.exe is part of a product called known as Energy Manager and Flight Mode Driver and the developer is Lenovo Group Limited .
If you think that this file contains a virus or another malware, please download a virus scanner.
If Unknoun device.exe is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select Energy Manager and Flight Mode Driver from the list to remove the process Unknoun device.exe from your computer.
If you have any problems with Unknoun device.exe, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting Lenovo Group Limited, the developer of Unknoun device.exe and ask for more information.