How to Enable or Disable SSD Trim in Windows 10, 8 or 7

In this opportunity, we will see how to enable SSD TRIM on Windows 10 and in this way make the most of the utilities of an SSD hard disk.

Note: The commands used in Windows 10, also work in Windows 7 and 8

What is TRIM?

TRIM is a command that informs that a block has been erased and you can write on it, improving notably the speed and performance of the disk.

With this command, your SSD improves its performance because usually you can only write blocks previously deleted.

The problem is that the SSD doesn’t communicate appropriately with the OS and, therefore, can’t understand what spaces or clusters are available.

Thanks to TRIM, the OS will inform the disk that there are blocks that can be deleted and thus avoid excessive writes.


To enable TRIM in Windows, you need:

  • SSD TRIM firmware enabled
  • Windows 7, 8 or 10
  • BIOS or UEFI enabled in AHCI/SATA mode

Check if TRIM Is Enabled for Your SSD

To check TRIM, we must open the Command Prompt and copy the following command:

fsutil behavior query DisableDeleteNotify

If when we run the command, the result is 0 this means that TRIM is enabled, but if the result is 1, it means that TRIM is disabled.

[How-to] Enable TRIM in Windows 10

In case we have TRIM disabled in Windows 10 we must enter the following command to enable it and press Enter .

fsutil behavior set DisableDeleteNotify 0

With this simple command, you enable TRIM

[How-to] Disable TRIM in Windows 10

To disable TRIM, we must enter the following command:

fsutil behavior set DisableDeleteNotify 1

Using these simple commands, we can enable TRIM for our SSD in Windows 10.

You will improve the SSD health and improve its performance. So, we highly recommend checking if you have this command is active.

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