1. Check if the image you’re seeing is caused by an external display.
2. Run the hardware tests to fix any software issue.
3. Check the video cable connection to ensure its securely connected.
4. Check if any driver or firmware update is available.
5. Try booting the computer in safe mode to see if the issue still exists.
6. Check if the graphics card is pushed in properly.
7. Check the video cable connections of any external display.
8. Inspect the monitor for any physical or liquid damage.
9. Check if the display settings are correct for the external monitor.
10. If all fails, take your laptop to a local repair shop.