In order to prevent accidental CAP LOCKS, you can use a number of new, innovative and free software solutions. With your Windows 7, there are functions available to assist you.
First, go to your start menu. Click on Control Panel. Next, select "Clock, Language, and Region". When you get to the next screen, under "Language and Region", select "change keyboard or other input methods".
Next, go to the "keyboard and languages" tab. Click on the "change keyboard" button. Now, go to the "advanced key settings" tab. Click on "Press the SHIFT key". When you click OK, you are done. This will prevent you from accidentally typing in caps lock.