TV & Streaming Troubleshooting Guides
Find practical fixes for Wi-Fi, buffering, missing apps, activation, remote and audio problems.
Smart TV Won't Turn On
Check power, the remote, indicator lights and basic restart steps when a Smart TV will not turn on.
TV Has No Sound
Troubleshoot missing TV audio, muted output, sound settings and connected audio devices.
TV Sound Is Delayed
Fix audio delay or lip-sync problems when streaming or using an external sound system.
TV Screen Is Black but Sound Works
Troubleshoot a black TV picture when audio still plays.
TV Says No Signal
Find the correct input and troubleshoot HDMI, cable or source-device no-signal messages.
TV Remote Is Not Working
Troubleshoot a Smart TV remote that does not respond or only works intermittently.
Streaming App Keeps Crashing
Fix an app that repeatedly closes, freezes or returns to the TV home screen.
Streaming App Is Frozen
Steps to recover a frozen streaming application without immediately resetting the whole TV.
Streaming App Login Not Working
Troubleshoot account sign-in problems, incorrect credentials and app login loops.
Streaming Activation Code Not Working
Troubleshoot an activation code that expires, is rejected or does not connect the TV.
TV Cannot Find Wi-Fi
Troubleshoot a TV that cannot see your wireless network.
TV Wi-Fi Connected but No Internet
Fix the situation where the TV connects to Wi-Fi but streaming services cannot reach the internet.
TV Keeps Disconnecting from Wi-Fi
Reduce repeated Wi-Fi disconnects and identify whether the issue is the TV or home network.
Streaming Works on Phone but Not TV
Troubleshoot a service that works on a phone but fails on the TV.
Only One Streaming App Is Not Working
Determine whether a problem is limited to one streaming service or affects the whole TV.
All Streaming Apps Are Not Working
Troubleshoot widespread streaming problems across multiple apps.
Streaming Quality Keeps Dropping
Improve inconsistent video quality and identify network or device bottlenecks.
Video Is Pixelated on TV
Troubleshoot blocky, blurry or pixelated streaming video.
Streaming Video Has Black Bars
Understand common aspect-ratio and content-format reasons for black bars.
TV Picture Looks Too Dark
Check picture mode, brightness and source-specific settings when the TV looks unusually dark.
TV Picture Looks Washed Out
Troubleshoot faded or low-contrast TV pictures.
TV Colors Look Wrong
Check picture settings and source connections when colors look inaccurate.
TV Has Flickering Screen
Troubleshoot intermittent TV flickering and identify HDMI or display-setting causes.
HDMI Has No Picture
Troubleshoot an HDMI-connected device that produces no image.
HDMI Audio Not Working
Troubleshoot missing audio from an HDMI source.
TV Cannot Detect Streaming Stick
Check power, HDMI input and compatibility when a streaming stick is not detected.
Roku Remote Not Pairing
Troubleshoot common Roku remote pairing problems.
Fire TV Remote Not Pairing
Troubleshoot Fire TV remote pairing, batteries and device restart steps.
Google TV Remote Not Working
Troubleshoot a Google TV remote that is not responding.
Samsung TV Apps Not Loading
Troubleshoot apps that will not load correctly on a Samsung Smart TV.
LG TV Apps Not Loading
Troubleshoot apps that will not load correctly on an LG Smart TV.
Roku Apps Not Loading
Troubleshoot Roku channels or apps that freeze or fail to open.
Fire TV Apps Not Loading
Troubleshoot Fire TV apps that freeze, crash or refuse to open.
Google TV Apps Not Loading
Troubleshoot Google TV apps that will not launch or load content.
TV Storage Is Full
Free up space when a Smart TV or streaming device reports low storage.
TV Is Running Slow
Improve slow menus, delayed app launches and sluggish Smart TV performance.
TV Keeps Restarting
Troubleshoot unexpected TV or streaming-device restarts.
Streaming Device Is Overheating
Reduce heat-related problems with streaming devices and improve ventilation.
TV Cannot Update Software
Troubleshoot failed Smart TV software updates safely.
Streaming App Update Failed
Troubleshoot an app that will not update through the device's official store.
Parental Controls Blocking Streaming
Check parental-control settings when content or apps are unexpectedly restricted.
Closed Captions Not Showing
Troubleshoot subtitles or closed captions that do not appear.
Closed Captions Look Wrong
Fix common subtitle size, timing or appearance issues.
Audio Description Won't Turn Off
Find accessibility audio-description settings when narration remains enabled.
TV Keeps Asking for Sign-In
Troubleshoot repeated account sign-in prompts in streaming apps.
Streaming App Shows Error Code
A safe general process for understanding and troubleshooting streaming error codes.
Internet Is Fast but Streaming Buffers
Troubleshoot buffering even when a speed test appears fast.
Streaming Is Better Late at Night
Understand why network congestion can affect streaming at certain times.
Live TV Keeps Freezing
Troubleshoot freezing or stuttering in live streaming services.
Sports Stream Keeps Buffering
Troubleshoot buffering during live sports when many viewers may be online.
TV Keeps Losing HDMI Connection
Troubleshoot an HDMI connection that repeatedly drops or reconnects.
TV Input Keeps Changing
Find common reasons a TV changes inputs unexpectedly.
Screen Mirroring Not Working
Troubleshoot phone-to-TV screen mirroring and casting problems.
AirPlay Not Working on TV
Troubleshoot AirPlay connection and playback problems on supported TVs.
Chromecast Not Working
Troubleshoot casting from a phone or computer to a Chromecast or Google TV device.
TV Cannot Play 4K
Troubleshoot missing 4K quality based on app, content, device, HDMI and display compatibility.
HDR Not Working on TV
Troubleshoot HDR content that does not appear to activate.
Dolby Atmos Not Working
Troubleshoot supported Dolby Atmos playback through compatible TVs and audio equipment.
Soundbar Not Working with TV
Troubleshoot common TV-to-soundbar connection and audio-output problems.
Bluetooth Headphones Won't Connect to TV
Troubleshoot Bluetooth headphone pairing on supported Smart TVs.
TV Keeps Asking to Accept Terms
Troubleshoot repeated account or service terms prompts after setup.
TV Brand Troubleshooting
Choose a device for more specific troubleshooting.
Samsung TV: Wi-Fi Problems
Targeted troubleshooting for common Samsung TV problems.
Samsung TV: Apps Not Working
Targeted troubleshooting for common Samsung TV problems.
Samsung TV: Buffering Problems
Targeted troubleshooting for common Samsung TV problems.
Samsung TV: No Sound
Targeted troubleshooting for common Samsung TV problems.
LG TV: Wi-Fi Problems
Targeted troubleshooting for common LG TV problems.
LG TV: Apps Not Working
Targeted troubleshooting for common LG TV problems.
LG TV: Buffering Problems
Targeted troubleshooting for common LG TV problems.
LG TV: No Sound
Targeted troubleshooting for common LG TV problems.
Roku: Wi-Fi Problems
Targeted troubleshooting for common Roku problems.
Roku: Apps Not Working
Targeted troubleshooting for common Roku problems.
Roku: Buffering Problems
Targeted troubleshooting for common Roku problems.
Roku: No Sound
Targeted troubleshooting for common Roku problems.
Amazon Fire TV: Wi-Fi Problems
Targeted troubleshooting for common Amazon Fire TV problems.
Amazon Fire TV: Apps Not Working
Targeted troubleshooting for common Amazon Fire TV problems.
Amazon Fire TV: Buffering Problems
Targeted troubleshooting for common Amazon Fire TV problems.
Amazon Fire TV: No Sound
Targeted troubleshooting for common Amazon Fire TV problems.
Google TV: Wi-Fi Problems
Targeted troubleshooting for common Google TV problems.
Google TV: Apps Not Working
Targeted troubleshooting for common Google TV problems.
Google TV: Buffering Problems
Targeted troubleshooting for common Google TV problems.
Google TV: No Sound
Targeted troubleshooting for common Google TV problems.
Apple TV: Wi-Fi Problems
Targeted troubleshooting for common Apple TV problems.
Apple TV: Apps Not Working
Targeted troubleshooting for common Apple TV problems.
Apple TV: Buffering Problems
Targeted troubleshooting for common Apple TV problems.
Apple TV: No Sound
Targeted troubleshooting for common Apple TV problems.
Vizio TV: Wi-Fi Problems
Targeted troubleshooting for common Vizio TV problems.
Vizio TV: Apps Not Working
Targeted troubleshooting for common Vizio TV problems.
Vizio TV: Buffering Problems
Targeted troubleshooting for common Vizio TV problems.
Vizio TV: No Sound
Targeted troubleshooting for common Vizio TV problems.
TCL TV: Wi-Fi Problems
Targeted troubleshooting for common TCL TV problems.
TCL TV: Apps Not Working
Targeted troubleshooting for common TCL TV problems.
TCL TV: Buffering Problems
Targeted troubleshooting for common TCL TV problems.
TCL TV: No Sound
Targeted troubleshooting for common TCL TV problems.
Hisense TV: Wi-Fi Problems
Targeted troubleshooting for common Hisense TV problems.
Hisense TV: Apps Not Working
Targeted troubleshooting for common Hisense TV problems.
Hisense TV: Buffering Problems
Targeted troubleshooting for common Hisense TV problems.
Hisense TV: No Sound
Targeted troubleshooting for common Hisense TV problems.
Sony TV: Wi-Fi Problems
Targeted troubleshooting for common Sony TV problems.
Sony TV: Apps Not Working
Targeted troubleshooting for common Sony TV problems.
Sony TV: Buffering Problems
Targeted troubleshooting for common Sony TV problems.
Sony TV: No Sound
Targeted troubleshooting for common Sony TV problems.