Locate the buttons on the top of the tower.
Save any data, close any open program(s) and restart the computer. When you have a wireless USB or Bluetooth mouse, install new batteries. Suggested Quick Fixes: Reseat the USB cable or wireless USB receiver. The included CyberpowerPC gaming mouse has a button that allows you to select from 8 DPI selections. What are the dpi settings for the CyberPower mouse?