External display
If you're using an external display, make sure it's properly connected to your laptop and turned on. Also, check if the external display is set as the primary display in your laptop's display settings.
Power connection
Ensure your laptop is plugged in and receiving power. A low battery can sometimes cause display issues.
Restart your laptop
Check for any system updates
Check for hardware damage
Please try the above basic steps and still, If you require any assistance, kindly contact our IT support team by raising a ticket via our Ticketing portal