Scenario: The touchpad on your Acer 5532 laptop is totally unresponsive. You’ve tried practically everything…triple-checking the configuration in your Control Panel, pressing all sorts of key combinations involving ALT, CTRL, and the Function keys, yet nothing works. You even had to resort to a workaround that involved using an external mouse.
Solution: Press the key to the left of the On/Off button. The key has a picture of a finger pressing the touchpad. So simple, so elegant, so little information out there about it.
By the way, I do not own an Acer, and would not recommend them (I’m a Dell person).