If Checkmate notifies you that it has been unable to test for a while, there are a couple of troubleshooting steps that can be taken.

1. Check your computer’s sleep settings. If your computer is set to go to sleep very quickly, this can prevent Checkmate from having enough time to test. Make sure that there are at least a few minutes of time before your Mac goes to sleep in order to give Checkmate time to test.
2. Checkmate can’t test laptops if the lid is closed. If you are in the habit of immediately closing your laptop, you may want to leave it open more often to allow Checkmate to test.
3. Reset Checkmate. In rare cases, Checkmate’s settings can become corrupt. To address this issue, Checkmate can be reset. To reset Checkmate, open the Checkmate application, and hold the option key while clicking on the Log menu. Choose the Reset Checkmate option. This will return Checkmate to the state it was in just after installation.
4. Contact support. If the issue persists, use the Send Report menu item in the Checkmate menu to send Checkmate’s logs to our support team. Be sure to include your email address and a note about what you’re experiencing so that we can better assist you.