On some Dell laptop systems may the touchpad not work.

It was documented that this may be solved by draining the flea power.

1. Power the system down.
   
   
2. Remove all external devices and disconnect AC adapter power cable from the system if applicable.
   
   
3. Remove the battery from the system.
   
   
4. Hold down the power button continuously for at least 5 seconds.
   Do not release the power button during this process.
   
   
5. Insert the battery back to the system.
   
   
6. Power the system on.