I want to permanently disable a touchpad in Windows running on my laptop, since firstly, I use a mouse, and secondly, when I work, I often touch it accidentally what causes definite inconviniences.

I tried the following approaches to disable it but with no result:

1. Turned it off through BIOS — there's no such function there;

2. Turned it off through the touchpad configuration utility — there's no such function there;

3. Turned it off through the device manager — the disable button is inactive;

4. Turned it off through a hotkey (Fn + F1 in my case) — the hotkey doesn't work;

5. Uninstalled the proprietary driver — Windows automatically downloaded the standard driver;

6. Uninstalled the standard driver and turned off the automatic driver download function (Win + R ? "systempropertiesadvanced" ? Hardware ? Device Installation Settings) — all the same, Windows downloaded and installed the driver.

How can I disable a touchpad?

Windows 7; the Alps touchpad.