techsupportoffice

Understand which TV cables you need for HDMI, HDMI 2.1, soundbars, ARC and eARC, optical audio, coax antenna, RCA, component, converters, cable length, and cable quality.

Learn what a TV tuner does, how to check whether your TV has ATSC, when you need a tuner for antenna channels, what ATSC 3.0 NextGen TV means, and how converter boxes work.

Fix Vizio TV No Signal by selecting the right input, reseating HDMI, testing ports and cables, restarting connected devices, checking streaming stick power, HDCP, resolution, updates, and HDMI repair signs.

Fix Bluetooth soundbar pairing problems by using the TV sound output menu, pairing mode, removing old devices, reducing interference, restarting Bluetooth, switching to HDMI ARC or eARC, and checking delay.

Fix a TV that will not power on by draining residual power, checking the physical power button, remote batteries, outlet, power cord, surge protector, warranty, and power supply board signs.

Fix a TV with a green or purple tint by checking HDMI cables, ports, source color format, HDR settings, picture reset, white balance, tint sliders, and hardware signs.

Fix a TV that looks too dark by changing picture mode, raising backlight or OLED light, adjusting brightness and black level, disabling eco dimming, checking HDR tone mapping, and reducing glare.

Fix a smart TV that repeatedly drops Wi-Fi by adjusting power-saving modes, Quick Start Plus, router distance, band steering, 2.4GHz and 5GHz networks, updates, and network reset.

Fix a TV that shuts off by itself by checking sleep timer, energy saving, no-signal auto-off, HDMI-CEC, outlet power, loose cable, overheating, firmware updates, and soundbar commands.

Reduce TV gaming input lag by enabling Game Mode, ALLM, full-bandwidth HDMI, disabling picture processing, checking 120Hz ports, using performance modes, and reducing audio-device delay.