|Look in Device Manager to see if there is a problem with the touchpad. The touchpad may not work if you have re-loaded Windows and have not loaded the drivers for the touchpad (or it may be detected anyway, but as a plain PS/2 or USB mouse). The touchpad drivers are probably available in the software and driver downloads for your model on the Acer web sites. |
Check the Owner's or User's manual for the model.
Some laptops (e.g. some Acer models) have a keyboard key or key combo that toggles the touchpad on / off.
E.g. I have an Acer 5100-5328 at the present time I've been t-shooting - you use Fn and F7 to do that with that model.
(Hold down Fn, press F7, let go of both keys.)
For some laptops, you can't use a PS/2 mouse and a touchpad at the same time.
If you have spilled liquid on the laptop, or if you have dropped the laptop, the touchpad may not work.
(The Acer 5100-5328 was dropped - the mboard is damaged - the built in display, touchpad, keyboard, and all the USB ports, no longer work.)