[ubuntu] Laptop touchpad won't stay disabled

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http://ubuntuforums.org – I have an ASUS laptop. I can set the touchpad to disabled in the BIOS then sometime later it becomes active again. I reboot, check BIOS and it still disabled, Ubuntu boots up and it stays disabled for a while and then becomes active all of a sudden. How do I stop this? I use a usb wireless mouse. (Hardware)