AMD K8 Processor Driver (AmdK8) Service Defaults in Windows 8

Processor Device Driver by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:AMD K8 Processor Driver
Service name:AmdK8
Service type:kernel
Error control:normal
Group:Extended Base
Path:%SystemRoot%\System32\drivers\amdk8.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AmdK8

Default Behavior

The AMD K8 Processor Driver service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If AMD K8 Processor 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 AmdK8 service hasn't been started.

Restore Default Startup Configuration for AMD K8 Processor 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 AmdK8 start= demand

3. Close the command window and restart the computer.

The AmdK8 service is using the amdk8.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.