Win10 system can not adjust the volume how to solve

Recently, Win10 users have reported that the volume cannot be adjusted. What is going on? The reason for this is generally caused by the incompatibility of the sound card driver. Let's take a look at the solution that Win10 system can't adjust the volume.
The method is as follows:
1, press Win+R, open the run, enter “regedit”, click OK;

2, in the open registry editor window interface, expand in order Go to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun, create a new string value named "systray.exe" in the right side;
3, open the systray.exe key value, and modify the value data to "C:WindowsSystem32systray.exe";;

4, restart the computer.