Check that the HDMI cable is firmly connected to both the Xbox Series X and the TV or monitor
Try a different HDMI cable, preferably a certified high-speed or ultra high-speed cable
Use a different HDMI port on the TV or monitor
Power cycle the Xbox Series X by turning it off, unplugging it for 60 seconds, then plugging it back in
Power cycle the TV or monitor
Make sure the TV or monitor is set to the correct input source
Test the Xbox Series X on another TV or monitor
Test another device on the same HDMI port to confirm the display works
Inspect the HDMI port on the Xbox Series X for dust, damage, or looseness
Inspect the HDMI port on the TV or monitor for damage
Disable and re-enable HDMI-CEC settings on the TV
Change the Xbox display settings by starting in low-resolution mode
Reset display settings on the Xbox Series X
Update the Xbox system software
Update the TV or monitor firmware
Turn off 4K, HDR, or VRR temporarily to test compatibility
Set the TV or monitor refresh rate to a supported value
Use the Xbox startup troubleshooting menu if the screen is black
Perform a factory reset of the Xbox if software issues persist
Contact Xbox Support if the HDMI port appears physically damaged
Seek professional repair if the HDMI port is loose, bent, or broken