i have a new dell letitiude e7470
and there are a number of problems
when the joystick is activated it sometimes moves by itself
The mouse sometimes does not react
The monitor does not turn off and the computer does not go into sleep mode even after the time it was set to (even when the joystick is not activated
Thanks for posting.
Your issue sounds like a driver issue. You may need to reinstall the drivers for your computer. Here is some information you may find helpful: http://dell.to/2osN6i8