Megasas Service Defaults in Windows 8

MEGASAS RAID Controller Driver for Windows by LSI Corporation.

Default Settings

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

Default Behavior

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

Restore Default Startup Configuration for Megasas

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_megasas_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The megasas service is using the megasas.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.