If you're experiencing issues with your Chromecast device constantly disconnecting, there are a few things you can try to fix the issue. First, check to see if there are any updates available for your Chromecast device or app. If there are, install them and see if that resolves the issue. If not, try restarting both your Chromecast device and your router. You can also try factory resetting your Chromecast device, but beware that this will erase all of your settings and preferences. Finally, if none of these solutions work, reach out to Google's support team for help.