VIZIO M557-G0 User Manual

The VIZIO M557-G0 is a 55-inch Class UHD LED Smart TV with Full Array LED backlighting, 120Hz refresh rate, Dolby Vision, Dolby Audio, DTS Studio Sound II, SmartCast Home for streaming apps like Netflix and Hulu, WatchFree for free live TV channels, built-in Wi-Fi, 4 HDMI ports, USB media playback, and ENERGY STAR certification. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Safety Instructions

WARNING! To reduce the risk of electric shock or fire: Switch off power before connecting components; do not expose to rain or moisture; do not block ventilation openings; operate on a grounded 120V outlet; unplug before servicing. Avoid using near water, heat sources, or with damaged cords. Unplug during lightning storms or extended non-use. Do not overload outlets or use extension cords. Ground antenna systems properly.

CAUTION! Use two people for installation; secure wall mount properly. Keep remote batteries away from children to avoid choking hazard. Do not defeat the grounding plug; consult an electrician if needed. Insert batteries correctly to prevent leakage. Loud sounds may cause hearing loss; secure TV to prevent tipping. Maintain 3 feet from heat sources.

Features at a Glance

Key components: Full Array LED panel, SmartCast interface, Remote with batteries, HDMI ports (4), USB, Ethernet, Optical Audio Out, Coaxial, built-in Wi-Fi, ambient light sensor.

Feature	Description
Screen Size	55" Class (54.6" Diagonal)
Resolution	UHD 3840x2160
Refresh Rate	120Hz
Smart Platform	SmartCast Home (Netflix, Hulu, etc.)
Audio	DTS Studio Sound II, Dolby Audio, 20W x 2 Speakers
Connectivity	4 HDMI (ARC), 1 USB, Ethernet, Wi-Fi
Other	Dolby Vision, WatchFree, Full Array Backlight

Installation

Unpack and inspect contents. Place on stable surface or wall-mount using VESA 300x200mm pattern (M6 screws, max weight 35.94 lbs without stand). Connect power to grounded 120V outlet. Attach devices via HDMI, composite, coaxial, or USB.

1. Choose location with ventilation (at least 3" clearance).
2. Install stand: Insert into slots, secure with screws (two people recommended).
3. For wall mount: Remove stand, attach UL-listed bracket.
4. Connect cables; do not use extension cords.

Electrical: 120V, 60Hz; typical consumption 161W, <0.5W standby.

First-Time Setup

Power on TV; follow Setup App prompts. Select language (English/Français/Español), country, Wi-Fi network (enter password) or Ethernet. Set TV name; scan channels; accept terms.

1. Connect to internet for SmartCast.
2. Perform channel scan.
3. Register product at VIZIO.com.
4. Customize settings if prompted.

CAUTION! Ensure stable network; restart if setup hangs.

Specifications

• Dimensions (WxHxD): 48.59" x 30.60" x 10.04" with stand; 48.59" x 28.28" x 2.85" without.
• Weight: 36.38 lbs with stand; 35.94 lbs without.
• Resolution: 3840 x 2160.
• Power: 120V AC, 60Hz, 161W typical.
• Audio Output: 20W x 2.
• Connectivity: Wi-Fi 802.11n, Ethernet.
• Operating Temp: 32°F to 104°F.
• Energy: ENERGY STAR Certified (default settings).

Controls and Settings

Access via MENU button on remote. Adjust Picture (Standard/Calibrated/Vivid/Game modes; Backlight, Contrast, Color Temperature), Audio (Surround Sound, Balance), Network (Wi-Fi/Ethernet setup, test connection), Channels (Auto scan), Timers (Sleep, Auto Power Off), Closed Captions, Parental Controls (PIN-based), System (Language, CEC, Reset).

Remote: Power, Input, Volume +/-, Navigation, OK, V (SmartCast), Closed Captions, Aspect Ratio.

SmartCast Home

Launch via dedicated button or Input menu. Browse streaming apps (Netflix, Hulu, Amazon Prime), mirror devices, rearrange apps, voice control with Google Assistant. Requires internet; update via menu.

Tip: Use SmartCast Mobile App for control and text entry.

WatchFree

Free live TV channels (100+ including news, movies, sports) without subscription. Launch via button; browse on-screen guide by genre, add favorites.

1. Select WatchFree from inputs.
2. Navigate channels with remote.
3. View guide and recent channels.

CAUTION! Content subject to availability; no subscriptions or recording.

Playing USB Media

Format USB as FAT32; supports MP3, JPEG, MPEG videos. Connect to USB port; select from SmartCast Home or inputs. Browse/play music (artist/album), video (date/file), photos (thumbnails/slideshow).

WARNING! Remove USB only after powering off TV to avoid damage.

Accessibility Features

Menu > System > Accessibility: Talk Back (speech for settings), Speech Rate (Slow/Normal/Fast), Zoom Mode (200%), Video Description (narrated action). Enable Closed Captions via CC button/menu. Hold CC for 5 seconds to access menu.

Care & Cleaning

Unplug before cleaning. Wipe screen with dry, soft cloth; use mild soap/water for cabinet if needed. Avoid abrasives, solvents, or excess moisture. For moving, unplug and secure cables; use original packaging.

WARNING! Do not spray liquids on TV; keep ventilation clear.

Regulatory Information

FCC Class B compliant; use shielded cables. ICES-003 for Canada. Indoor use; maintain 20cm separation. Dispose batteries/product per local regulations; recycle at VIZIO.com/environment. ENERGY STAR: Default settings qualify.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No Power	Not plugged in, loose cord.	Check outlet/cord; press Power button.
No Signal	Wrong input, loose cable.	Press Input; reseat cables; scan channels.
No Sound	Muted, low volume.	Unmute/increase volume; check settings.
Wi-Fi Issues	Weak signal, wrong password.	Move closer; re-enter password; test connection.
Remote Fails	Low batteries, obstruction.	Replace AAA batteries; aim at sensor.
Picture Problems	Settings, interference.	Adjust modes; move from sources.

Reset: System > Reset & Admin > Factory Reset (erases settings).

Service: (877) 698-4946; support.vizio.com