If your Polaroid P900 tablet is not working as it should, there are a few things you can do to try and fix the problem. First, make sure that the battery is fully charged. If the battery is low, it may not be able to power up the tablet. Next, try resetting the tablet by following these steps:

  1. Remove the battery cover by pressing down on one end and pulling it off.
  2. Locate and press down on the reset button located on one side of the device. Hold down for about two seconds until you see a green light come on and release the button.
  3. Replace the battery cover and reattach it to the device by pressing down on one end and pushing it into place. ..