To enable or disable TRIM Command, you will need to open an Elevated Command Prompt window.
How To Open an Elevated Command Prompt window: Click on Start Orb > Type "CMD.exe" in Search box > Right click on "CMD" and select "Run as Administrator" (If you receive a prompt confirmation, click YES)
How to Enable TRIM Command
In the Elevated command Prompt windows, type the following:
fsutil behavior set disabledeletenotify 0
How to Disable TRIM Command
In the Elevated command Prompt windows, type the following:
fsutil behavior set disabledeletenotify 1
How do I know if TRIM is working in Windows 7?
In the Elevated command Prompt windows, type the following:
fsutil behavior query disabledeletenotify
Results explained below:
DisableDeleteNotify = 1 (Windows TRIM commands are disabled)
DisableDeleteNotify = 0 (Windows TRIM commands are enabled)