Enable TRIM For Solid State Drives

Enable TRIM

Go to the Command Prompt and type:

fsutil behavior set disabledeletenotify 0

Disable TRIM

Go to the Command Prompt and type:

fsutil behavior set disabledeletenotify 1

How do I know if TRIM is working in Windows 7?

Go to the Command Prompt and type:

fsutil behavior query disabledeletenotify

DisableDeleteNotify = 1 (Windows TRIM commands are disabled)

DisableDeleteNotify = 0 (Windows TRIM commands are enabled)