Dell W3707C owner manual Using the Diagnostic Menu, Accessing the Diagnostic Menu, Input Detection

Using the Diagnostic Menu

You can diagnose whether the input and speaker of your TV are functioning properly through the Diagnostic Menu.

If the input you selected is not detected properly or speakers of your TV are not operated properly, access the Diagnostic Menu and check your TV.

Accessing the Diagnostic Menu

To enter the Diagnostic Menu, press the following buttons in order; 9999 Menu. The Diagnostic Menu appears on the right-top of the screen.

Input Detection

1 From Input Detection of Diagnostic Menu, select your desired input.

2 Press the OK button to check if the input is detected correctly.

If it is detected correctly, the screen will be switched to the input source you selected and display the video and audio of the input source.

Speaker Test

1 From Diagnostic Menu, select Speaker Test R or Speaker Test L.

2 Press the OK button to test if each speaker is operated correctly.

If it is operated correctly, each speaker will sound about for 5 seconds.

Troubleshooting Your TV

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