Why does my HDMI say invalid format?
Table of Contents
NOTE: Some TV models will display the message INVALID FORMAT when this error occurs. This error message occurs if the computer is outputting a resolution signal that the TV does not support. Change the output resolution in the Display Settings of your computer to resolve this issue.
How do I fix invalid format on my TV?
Invalid Format error message

- Tune the set-top box (not the TV) to an HD channel.
- Press CABLE then POWER on your remote to turn the set-top box OFF.
- Press the MENU or SETTINGS button on your remote to access the User Settings Menu.
- Make sure the OUTPUT is set to the correct HD TV format (720 or 1080)
What does it mean when a TV says invalid format?
The invalid format message is technical jargon for “the wrong resolution.” The resolution that your television is set to will not support the proposed resolution of the additional device.
How do I connect my laptop to my TV HDMI invalid format?
HDMI to TV: invalid format

- installing the latest AGI Catalyst center.
- changing the screen resolution.
- making sure the laptop is set for either duplicate or projector display.
- getting the latest AGI graphics driver.
- turning off TV and laptop and rebooting before and after connecting HDMI cable.
How do I change the format on my TV?
Setting the picture size (aspect ratio) for your TV type
- Open the Main Menu (left arrow <), choose Settings and press OK.
- Choose Television and then press the right arrow 6 times.
- Choose Screen Aspect Ratio and High Definition and press OK.
- Choose the setting for your TV and set-top box:
- Choose Continue and press OK.
How do I change the resolution on my TV?
Press MENU on your set-top box remote control. Use the RIGHT ARROW button to select SETTINGS on the horizontal menu bar. Select SYSTEM OPTIONS, and then scroll to SELECT SCREEN ASPECT RATIO AND HIGH DEFINITION press the OK button. Select Screen aspect ratio and high definition, and then press OK.
How do I change my TV resolution?
How do I fix invalid format on Firestick?
Fix 1 – Change Resolution
- Press and hold Rewind and Up on the remote simultaneously for 10 seconds. Release both buttons when the screen changes in any way.
- The Fire TV / Firestick will start cycling through different resolution settings.
- Once a resolution appears that works fine, press Select on the remote.
How do I change the resolution on my LG TV?
- Press the Smart button. on the remote control and select Settings > PICTURE, then press WHEEL or ENTER.
- Select the Aspect Ratio option.
- For RGB-PC input, select either a 4:3 or a 16:9 aspect ratio. There are no other options to adjust the aspect ratio when using this input.
How do I fix the resolution on my TV HDMI?
1. Fixing Resolution on Windows to TV HDMI
- Click on the Start button icon.
- Click on the Control Panel.
- Click on the Adjust Screen resolution on the Appearance and Personalization menu.
- Click on the drop-down list next to the resolution and then click on the resolution you want to apply and click on the Apply button.
How do I adjust the HDMI size on my TV?
Put the cursor in the bottom right corner of the Windows screen and move it upward. Select “Settings,” then click “Change PC Settings.” Click “PC and Devices” and then click “Display.” Drag the resolution slider that appears on the screen to the resolution recommended for your TV.
How do I change my HDMI resolution?
From the device display
- Make sure the home screen on the device.
- Select the settings icon (cog wheel icon) and press the OK button.
- Select [PROGRAM] or [PREVIEW 1].
- Check which resolution and frame rate is selected. If you want to change resolution and frame rate, choose one of the options.
Why is my HD TV displaying an invalid format error message?
If your HD TV is displaying an “Invalid Format” error message, determine if your TV is 720p or 1080. The issue should now be resolved. If not, contact us.
Why won’t my laptop connect to my TV via HDMI?
Since the TV is 720p, set the resolution 1280×720, make sure you have the correct HDMI input selected on the TV and restart the laptop. restarted laptop but nothing has changed, same problem persists. it is a Belkin HDMI cable, The VGA cable worked for awhile last year then stopped working.
Is the 1360×768 resolution supported on my TV?
That is not a supported tv display according to the tv manual –the next highest according to the manual is 1360×768, and that in fact is the one that worked. I am ecstatic about solving this after 6 hours of trolling forums unsuccessfully for an answer.
How do I Fix my display adapter not working?
Go to Device Manager > Display adapters. If the issue persists, run the automated troubleshooter. Go to Settings > Update & security > Troubleshoot > Hardware and Devices. Thanks. I will try that and will let you know results. Was this reply helpful? Sorry this didn’t help. Great! Thanks for your feedback. How satisfied are you with this reply?