Confirm the pixel is truly dead by checking it on a solid-color background
Restart the device
Gently massage the area with a soft cloth while the screen is off
Use a pixel-fixing app or flashing-color video
Leave the screen displaying rapidly changing colors for 10 to 30 minutes
Apply light pressure with a soft cloth only if the manufacturer allows it
Update the device firmware or graphics driver
Test the screen with another cable, port, or device
Check the warranty or return policy
Contact the manufacturer for repair or replacement
Replace the screen if the dead pixel cannot be fixed