- Check the power cable and adapter to make sure they are securely and properly connected.
- If possible, try using a different power cable.
- Check the laptop display settings to make sure that you have the correct display settings selected.
- Make sure that the laptop brightness is up to the optimum setting.
- Make sure that the display cable (VGA or HDMI) is plugged in securely.
- Check the display resolution settings.
- If possible, try connecting the laptop to an external monitor.
- Make sure your laptop’s GPU (Graphics Processing Unit) is enabled in the Device Manager.
- Update the device drivers to the most up-to-date drivers.
- If none of the above solutions work, it may be necessary to contact the manufacturer for support.