LSI_SAS3i Service Defaults in Windows 10

Avago SAS Gen3 Driver (StorPort) by Avago Technologies.

Default Settings

Startup type: Manual
Display name:LSI_SAS3i
Service name:LSI_SAS3i
Service type:kernel
Error control:normal
Group:SCSI Miniport
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LSI_SAS3i

Default Behavior

LSI_SAS3i is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If LSI_SAS3i fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the LSI_SAS3i service has failed to start due to the error.

Restore Default Startup Configuration of LSI_SAS3i

1. Run the Command Prompt as an administrator.

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

sc config LSI_SAS3i start= demand

3. Close the command window and restart the computer.

The LSI_SAS3i service is using the lsi_sas3i.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 10 installation media.