What is the scheduled task "\RtHDVBg_LENOVO_MICPKEY" on my Windows 7 computer?

"\RtHDVBg_LENOVO_MICPKEY" is a scheduled task on Windows 7 system added as part of the computer system installation.

You will see "RtHDVBg_LENOVO_MICPKEY" listed on Task Scheduler with the following information:

Name: RtHDVBg_LENOVO_MICPKEY
Location: \
Actions: Start a program - "C:\Program Files\Realtek\Audio\HDA\RAVBg64.exe" /LENOVO_MICPKEY
Triggers: At log on - At log on of any user
Conditions: 
History: 
   ...
   Information 23:16:00 Task completed
   Information 23:16:00 Action completed
   Information 3:27:41 Created Task Process
   Information 3:27:40 Action Started
   Information 3:27:40 Task Started
   Information 3:27:40 Task Engine received message to start task
   Information 3:27:08 Task triggered on log on
   ...

Program file information about "RAVBg64.exe":

File name: RAVBg64.exe
File path: C:\Program Files\Realtek\Audio\HDA\RAVBg64.exe
File size: 1410304 bytes
Last modified time: 1/13/2016 5:45:08 PM
File description: HD Audio Background Process
File version: 1, 0, 0, 232
Company name: Realtek Semiconductor

"RAVBg64.exe", as part of Realtek audio driver, is scheduled to run whenever you log on to the system.

It is strongly recommended to keep "\RtHDVBg_LENOVO_MICPKEY" enabled as a scheduled task.

⇒ "RTKCPL" Scheduled Task on Windows 7

⇐ "RtHDVBg_Dolby" Scheduled Task on Windows 7

⇑ System Scheduled Tasks on Windows 7

⇑⇑ Windows 7 Scheduled Tasks