The Self Diagnostics option is a set of diagnostic features that are built into the Help or Customer Support menu of the TV to help customers diagnose and resolve basic setup and configuration issues.
Note: Steps may differ depending on the model and software version. For details on how to start the Self Diagnostics test, see the Help Guide or operating instructions supplied with the device.
How to perform the Self Diagnostics
The following are examples of how to start the Self Diagnostics test. Choose your TV model type from the following.
For Android TV™ and Google TV™ models
Note: The images below are examples of the display screens.
- Press the HELP button on the remote control.
Note: If your remote control does not have a HELP button, follow the steps below.
- Press the HOME button on the remote control.
- The next steps will depend on your TV menu options:
- Select Apps → ? Help
- Select ? Help
- Select Status & Diagnostics or Problem diagnosis.
Note: If Status & Diagnostics (or Problem diagnosis) is not shown, skip this step.
- Select Self diagnostics.
- Select Start.
Note: You can also check the following symptoms in Status & Diagnostics.
- Internet connectivity symptoms
- External devices symptoms
- Picture/Sound symptoms
For 2014 models
- Using the TV remote control, press the HOME button.
- Select ?/Help located on the upper-right corner on the TV screen.
- Select Customer Support.
- Select Self Diagnostics.
- Select Start Self Diagnostics.
- If no error is detected, select Check Picture/Sound to continue.
- Select Start.
- The TV will display a sample picture content and play a sample audio clip.
- The audio is played through the TVs built-in speakers. If sound is not heard, try adjusting the volume level up using the TV remote control.
- Once the test concludes you can restart the test or exit.
If you did not observe any problems with the test pictures and sound, the TV is functioning correctly. If you are experiencing picture or audio issues while using an externally connected device, verify the physical cable connection between the TV and the device as well as the external device settings.