batcmd.com Windows 7 Services

RAS Asynchronous Media Driver - Windows 7 Service

RAS Asynchronous Media Driver.

This service also exists in Windows 10, 8, Vista and XP.

Startup Type

Windows 7 edition without SP SP1
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Default Properties

Display name:RAS Asynchronous Media Driver
Service name:AsyncMac
Type:kernel
Path:%WinDir%\system32\DRIVERS\asyncmac.sys
Error control:normal

Default Behavior

The RAS Asynchronous Media Driver service is a kernel driver. If the RAS Asynchronous Media Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AsyncMac service has failed to start.

Restore Default Startup Type for RAS Asynchronous Media Driver

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreRASAsynchronousMediaDriverWindows7.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer to save changes.

Note. Make sure that the asyncmac.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows 7 installation media.