QWAVE driver (QWAVEdrv) Service Defaults in Windows 8

Quality Windows Audio/Video Experience component driver.

Default Settings

Startup type:Manual
Display name:QWAVE driver
Service name:QWAVEdrv
Service type:kernel
Error control:normal
Path:%SystemRoot%\system32\drivers\qwavedrv.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\QWAVEdrv

Default Behavior

The QWAVE driver service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If QWAVE driver fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the QWAVEdrv service hasn't been started.

Dependencies

If QWAVE driver is disabled, the Quality Windows Audio Video Experience service will not be started and initialized.

Restore Default Startup Configuration for QWAVE driver

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config QWAVEdrv start= demand

3. Close the command window and restart the computer.

The QWAVEdrv service is using the qwavedrv.sys file that is located in the %WinDir%\system32\drivers folder. If the file is corrupted or deleted, you can put it back in there.