Vizio D28h-C1 User Manual
![Vizio D28h-C1 TV manual cover](/images/LBeiZKmQYBEWLbdsBsbyDVNi/thumbs/thumb175x175.webp)
To connect your Vizio D28h-C1 TV to Wi-Fi, press the 'Menu' button on your remote, navigate to 'Network', select 'Wi-Fi Setup', and choose your network from the list. Enter your Wi-Fi password when prompted.
First, ensure the power cable is securely connected to both the TV and the power outlet. Try using a different outlet or power strip. If the problem persists, unplug the TV for a few minutes, then plug it back in and try turning it on again.
To update the firmware, press the 'Menu' button on your remote, go to 'System', then 'Check for Updates'. If an update is available, follow the on-screen instructions to install it. Make sure your TV is connected to the internet.
Ensure that all cables are securely connected and check the input source settings. Adjust the picture settings through the 'Menu' under 'Picture' to improve clarity. Make sure your TV is set to the correct resolution for your content.
To perform a factory reset, press the 'Menu' button, go to 'System', and select 'Reset & Admin'. Choose 'Reset TV to Factory Settings' and follow the on-screen prompts.
Check the batteries in the remote and replace them if necessary. Ensure there are no obstructions between the remote and the TV sensor. Try resetting the remote by removing the batteries, pressing each button once, and then reinserting the batteries.
Press the 'Menu' button on your remote, navigate to 'Picture', and select 'Aspect Ratio'. Choose the aspect ratio that best fits your content, such as 'Wide', 'Normal', or 'Zoom'.
Check that the TV is not muted and the volume is turned up. Verify that any connected devices are properly connected and set to the correct input. Go to 'Menu', select 'Audio', and ensure the settings are correct.
Press the 'Menu' button, go to 'Parental Controls', and select 'Access Code'. Enter a 4-digit code, then configure the restrictions as needed for channels and ratings.
Connect the external speakers using the TV's audio output ports, such as the optical digital audio out or headphone jack. Go to 'Menu', select 'Audio', and set the TV speakers to 'Off' to enable external audio output.