Go to Start...Run...and type in "devmgmt.msc" (without the quotes) and press Enter.
Scroll down the list until you find the pointing device, right click on it and select "disable" - this will disable it's use by Windows.
There also may be a setting in the BIOS to disable it from there.
>> Stay informed about: Uninstalling Built in pointer on Toshiba Portege 4010