Adpahci Service Defaults in Windows 8

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The Adpahci service exists only in:

Default Settings

Startup type: Manual
Display name:Adpahci
Service name:adpahci
Service type:kernel
Error control:normal
Group:SCSI Miniport
Path:%SystemRoot%\System32\drivers\adpahci.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\adpahci

Default Behavior

The Adpahci service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If Adpahci 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 adpahci service hasn't been started.

Restore Default Startup Configuration of Adpahci

1. Run the Command Prompt as an administrator.

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

sc config adpahci start= demand

3. Close the command window and restart the computer.

The adpahci service is using the adpahci.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 8 installation media.