- Check the power
Make sure your laptop is plugged in and the power cord is securely connected to both your laptop and the wall outlet. If your laptop has a removable battery, make sure it is fully charged. - Check your connections
Make sure your connections are secure. Try plugging and unplugging the cords several times to ensure it is securely connected. - Restart
Try restarting your laptop. Wait for the laptop to completely shut down and boot back up. - Check your settings
Make sure your laptop is set to the proper display settings. If this is uncertain, contact your laptop manufacturer for further assistance. - Check other devices
Test the laptop display with an external display to determine if the issue is contained with the laptop itself or with a computer program.
