Disk Driver Service Defaults in Windows XP

PnP Disk Driver by Microsoft Corporation.

Default Settings

Startup type: Boot
Display name:Disk Driver
Service name:Disk
Service type:kernel
Error control:normal
Group:SCSI Class
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Disk

Default Behavior

Disk Driver is a kernel device driver. In Windows XP it is starting before Kernel initialization. If the Disk Driver fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the Disk service has failed to start.


Disk Driver depends on the following system components:

Restore Default Startup Configuration of Disk Driver

Before you begin doing this, make sure that all the services on which Disk Driver depends are configured by default and function properly. See the list of dependencies above.

1. Run the Command Prompt.

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

sc config Disk start= boot
sc start Disk

3. Close the command window and restart the computer.

The Disk service is using the disk.sys file that is located in the C:\Windows\system32\DRIVERS directory. If the file is removed or corrupted, read this article to restore its original version from Windows XP installation media.