A black screen was usually a problem with software or hardware malfunction. Here are some possible solutions: 1 Reinstalling the Listening Software: Try reinstalling the Listening Software to ensure that the installation program is complete and follow the instructions of the installation wizard. 2. Upgrade hardware: If you are using devices such as digital media players or book listeners, you may need to upgrade your hardware to fix any faults. 3. Reboot the device: If the device has been running for some time and may have been infected with a virus or malicious software, reboots the device may solve the problem. 4 Check the power supply: To ensure that the power supply of the equipment is normal, you may need to consider replacing the power cord or replacing the power socket. 5 Contact customer service: If the above methods cannot solve the problem, you can try to contact the customer service of the listening software or device manufacturer for further help and support. I hope these solutions can help you solve the problem of the black screen.