Manufacturer and model directory

Roku tv model troubleshooting

Choose the complete Roku model family before opening a fix. Model patterns are shown on every page, and unsupported code meanings are not copied between platforms.

Exact modelObserved symptomFirst safe testVerificationStop condition

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122 complete records in this directory

Roku Ultra 4800/48024800X or 4802R — the number is on the label on the underside · 16 answers Streaming Stick 4K3820X/3821X · 16 answers Express 4K3940X/3941X · 16 answers Roku Express3960R/3960X · 16 answers Roku Streambar9102R · 16 answers Roku Streambar Pro9101R2 (bare 9101 is the Roku Smart Soundbar, a different product) · 16 answers Roku Pro Series TV55/65/75R8BX* · 16 answers Roku Plus Series TV55/65/75R6AX* · 16 answers

Reviewed records

122 exact answers

Showing 60 representative records. Choose a platform or manufacturer above to see its complete set.

Not sure where the fault is?

Roku · apps not working

Roku Express 4K apps will not open, update or install

Roku Express 4K apps will not open, update or install: one app, all apps, storage, account/region and service status produce different corrections. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · eARC

Roku Express 4K ARC or eARC soundbar audio is not working

Roku Express 4K ARC or eARC soundbar audio is not working: correct labeled ports, matching CEC/eARC controls, output format and direct-chain testing matter. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · colors wrong

Roku Express 4K colors look wrong, washed out or tinted

Roku Express 4K colors look wrong, washed out or tinted: source format, HDMI range, picture mode, white balance and panel uniformity should be separated. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · game mode

Roku Express 4K game mode, 120 Hz or VRR is not working

Roku Express 4K game mode, 120 Hz or VRR is not working: console/game support, HDMI port bandwidth, cable, input mode and format must all align. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · no sound

Roku Express 4K has picture but no sound

Roku Express 4K has picture but no sound: output selection, mute/volume, format and the external audio path should be isolated. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · no picture

Roku Express 4K has sound but no picture

Roku Express 4K has sound but no picture: built-in menus versus every external input separates panel/backlight faults from HDMI/source problems. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · restarting

Roku Express 4K keeps restarting or will not stay on

Roku Express 4K keeps restarting or will not stay on: outlet, external devices, sleep/timer/CEC and internal power protection should be isolated. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · too dark

Roku Express 4K picture is too dark or keeps dimming

Roku Express 4K picture is too dark or keeps dimming: ambient/power saving, HDR mode, content mastering and panel behavior should be separated. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · remote not working

Roku Express 4K remote will not control the TV

Roku Express 4K remote will not control the TV: infrared power/volume and Bluetooth/RF navigation may be separate paths. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · flicker

Roku Express 4K screen flickers, flashes or goes black intermittently

Roku Express 4K screen flickers, flashes or goes black intermittently: trigger, source, cable, refresh/HDR/VRR and built-in menu behavior identify the fault. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · HDMI no signal

Roku Express 4K shows no signal on HDMI

Roku Express 4K shows no signal on HDMI: input selection, source output, cable, port and handshake should be tested in a direct minimal chain. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · firmware

Roku Express 4K software update will not install

Roku Express 4K software update will not install: exact model/region, free storage, network and stable power are required. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · AirPlay

Roku Express 4K will not AirPlay, Cast or screen mirror

Roku Express 4K will not AirPlay, Cast or screen mirror: protocol support, same-network discovery, guest isolation and protected-content restrictions should be separated. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · Wi-Fi

Roku Express 4K will not connect to Wi-Fi or keeps disconnecting

Roku Express 4K will not connect to Wi-Fi or keeps disconnecting: tV radio versus router band/security/signal and provider service should be separated. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · Bluetooth

Roku Express 4K will not pair with Bluetooth headphones or speakers

Roku Express 4K will not pair with Bluetooth headphones or speakers: tV eligibility, competing hosts, pairing mode, distance and audio-output support should be isolated. Scoped to 3940X/3941X, with the model boundary and safe stop points made explicit.

Open record Roku · apps not working

Roku Express apps will not open, update or install

Roku Express apps will not open, update or install: one app, all apps, storage, account/region and service status produce different corrections. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · eARC

Roku Express ARC or eARC soundbar audio is not working

Roku Express ARC or eARC soundbar audio is not working: correct labeled ports, matching CEC/eARC controls, output format and direct-chain testing matter. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · colors wrong

Roku Express colors look wrong, washed out or tinted

Roku Express colors look wrong, washed out or tinted: source format, HDMI range, picture mode, white balance and panel uniformity should be separated. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · game mode

Roku Express game mode, 120 Hz or VRR is not working

Roku Express game mode, 120 Hz or VRR is not working: console/game support, HDMI port bandwidth, cable, input mode and format must all align. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · no sound

Roku Express has picture but no sound

Roku Express has picture but no sound: output selection, mute/volume, format and the external audio path should be isolated. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · no picture

Roku Express has sound but no picture

Roku Express has sound but no picture: built-in menus versus every external input separates panel/backlight faults from HDMI/source problems. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · restarting

Roku Express keeps restarting or will not stay on

Roku Express keeps restarting or will not stay on: outlet, external devices, sleep/timer/CEC and internal power protection should be isolated. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · too dark

Roku Express picture is too dark or keeps dimming

Roku Express picture is too dark or keeps dimming: ambient/power saving, HDR mode, content mastering and panel behavior should be separated. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · remote not working

Roku Express remote will not control the TV

Roku Express remote will not control the TV: infrared power/volume and Bluetooth/RF navigation may be separate paths. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · flicker

Roku Express screen flickers, flashes or goes black intermittently

Roku Express screen flickers, flashes or goes black intermittently: trigger, source, cable, refresh/HDR/VRR and built-in menu behavior identify the fault. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · HDMI no signal

Roku Express shows no signal on HDMI

Roku Express shows no signal on HDMI: input selection, source output, cable, port and handshake should be tested in a direct minimal chain. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · firmware

Roku Express software update will not install

Roku Express software update will not install: exact model/region, free storage, network and stable power are required. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · AirPlay

Roku Express will not AirPlay, Cast or screen mirror

Roku Express will not AirPlay, Cast or screen mirror: protocol support, same-network discovery, guest isolation and protected-content restrictions should be separated. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · Wi-Fi

Roku Express will not connect to Wi-Fi or keeps disconnecting

Roku Express will not connect to Wi-Fi or keeps disconnecting: tV radio versus router band/security/signal and provider service should be separated. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · Bluetooth

Roku Express will not pair with Bluetooth headphones or speakers

Roku Express will not pair with Bluetooth headphones or speakers: tV eligibility, competing hosts, pairing mode, distance and audio-output support should be isolated. Scoped to 3960R/3960X, with the model boundary and safe stop points made explicit.

Open record Roku · apps not working

Roku Plus Series TV apps will not open, update or install

Roku Plus Series TV apps will not open, update or install: one app, all apps, storage, account/region and service status produce different corrections. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · eARC

Roku Plus Series TV ARC or eARC soundbar audio is not working

Roku Plus Series TV ARC or eARC soundbar audio is not working: correct labeled ports, matching CEC/eARC controls, output format and direct-chain testing matter. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · antenna

Roku Plus Series TV cannot find antenna channels

Roku Plus Series TV cannot find antenna channels: antenna input/region, coax path, signal and a fresh channel scan should be verified. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · colors wrong

Roku Plus Series TV colors look wrong, washed out or tinted

Roku Plus Series TV colors look wrong, washed out or tinted: source format, HDMI range, picture mode, white balance and panel uniformity should be separated. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · game mode

Roku Plus Series TV game mode, 120 Hz or VRR is not working

Roku Plus Series TV game mode, 120 Hz or VRR is not working: console/game support, HDMI port bandwidth, cable, input mode and format must all align. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · no sound

Roku Plus Series TV has picture but no sound

Roku Plus Series TV has picture but no sound: output selection, mute/volume, format and the external audio path should be isolated. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · no picture

Roku Plus Series TV has sound but no picture

Roku Plus Series TV has sound but no picture: built-in menus versus every external input separates panel/backlight faults from HDMI/source problems. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · restarting

Roku Plus Series TV keeps restarting or will not stay on

Roku Plus Series TV keeps restarting or will not stay on: outlet, external devices, sleep/timer/CEC and internal power protection should be isolated. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · too dark

Roku Plus Series TV picture is too dark or keeps dimming

Roku Plus Series TV picture is too dark or keeps dimming: ambient/power saving, HDR mode, content mastering and panel behavior should be separated. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · remote not working

Roku Plus Series TV remote will not control the TV

Roku Plus Series TV remote will not control the TV: infrared power/volume and Bluetooth/RF navigation may be separate paths. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · flicker

Roku Plus Series TV screen flickers, flashes or goes black intermittently

Roku Plus Series TV screen flickers, flashes or goes black intermittently: trigger, source, cable, refresh/HDR/VRR and built-in menu behavior identify the fault. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · HDMI no signal

Roku Plus Series TV shows no signal on HDMI

Roku Plus Series TV shows no signal on HDMI: input selection, source output, cable, port and handshake should be tested in a direct minimal chain. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · firmware

Roku Plus Series TV software update will not install

Roku Plus Series TV software update will not install: exact model/region, free storage, network and stable power are required. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · AirPlay

Roku Plus Series TV will not AirPlay, Cast or screen mirror

Roku Plus Series TV will not AirPlay, Cast or screen mirror: protocol support, same-network discovery, guest isolation and protected-content restrictions should be separated. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · Wi-Fi

Roku Plus Series TV will not connect to Wi-Fi or keeps disconnecting

Roku Plus Series TV will not connect to Wi-Fi or keeps disconnecting: tV radio versus router band/security/signal and provider service should be separated. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · Bluetooth

Roku Plus Series TV will not pair with Bluetooth headphones or speakers

Roku Plus Series TV will not pair with Bluetooth headphones or speakers: tV eligibility, competing hosts, pairing mode, distance and audio-output support should be isolated. Scoped to 55/65/75R6AX*, with the model boundary and safe stop points made explicit.

Open record Roku · apps not working

Roku Pro Series TV apps will not open, update or install

Roku Pro Series TV apps will not open, update or install: one app, all apps, storage, account/region and service status produce different corrections. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · eARC

Roku Pro Series TV ARC or eARC soundbar audio is not working

Roku Pro Series TV ARC or eARC soundbar audio is not working: correct labeled ports, matching CEC/eARC controls, output format and direct-chain testing matter. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · antenna

Roku Pro Series TV cannot find antenna channels

Roku Pro Series TV cannot find antenna channels: antenna input/region, coax path, signal and a fresh channel scan should be verified. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · colors wrong

Roku Pro Series TV colors look wrong, washed out or tinted

Roku Pro Series TV colors look wrong, washed out or tinted: source format, HDMI range, picture mode, white balance and panel uniformity should be separated. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · game mode

Roku Pro Series TV game mode, 120 Hz or VRR is not working

Roku Pro Series TV game mode, 120 Hz or VRR is not working: console/game support, HDMI port bandwidth, cable, input mode and format must all align. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · no sound

Roku Pro Series TV has picture but no sound

Roku Pro Series TV has picture but no sound: output selection, mute/volume, format and the external audio path should be isolated. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · no picture

Roku Pro Series TV has sound but no picture

Roku Pro Series TV has sound but no picture: built-in menus versus every external input separates panel/backlight faults from HDMI/source problems. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · restarting

Roku Pro Series TV keeps restarting or will not stay on

Roku Pro Series TV keeps restarting or will not stay on: outlet, external devices, sleep/timer/CEC and internal power protection should be isolated. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · too dark

Roku Pro Series TV picture is too dark or keeps dimming

Roku Pro Series TV picture is too dark or keeps dimming: ambient/power saving, HDR mode, content mastering and panel behavior should be separated. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · remote not working

Roku Pro Series TV remote will not control the TV

Roku Pro Series TV remote will not control the TV: infrared power/volume and Bluetooth/RF navigation may be separate paths. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · flicker

Roku Pro Series TV screen flickers, flashes or goes black intermittently

Roku Pro Series TV screen flickers, flashes or goes black intermittently: trigger, source, cable, refresh/HDR/VRR and built-in menu behavior identify the fault. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · HDMI no signal

Roku Pro Series TV shows no signal on HDMI

Roku Pro Series TV shows no signal on HDMI: input selection, source output, cable, port and handshake should be tested in a direct minimal chain. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · firmware

Roku Pro Series TV software update will not install

Roku Pro Series TV software update will not install: exact model/region, free storage, network and stable power are required. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record Roku · AirPlay

Roku Pro Series TV will not AirPlay, Cast or screen mirror

Roku Pro Series TV will not AirPlay, Cast or screen mirror: protocol support, same-network discovery, guest isolation and protected-content restrictions should be separated. Scoped to 55/65/75R8BX*, with the model boundary and safe stop points made explicit.

Open record

Find your model

Model numbers covered, and where each one's answers are

Match the identifier on your appliance or device label to a row below. Roku answers here are scoped to these patterns, and a model outside them is deliberately not claimed rather than covered by a page that guesses.

Family	Model numbers	Published specs
Roku Ultra 4800/4802	4800X or 4802R — the number is on the label on the underside	4 researched
Streaming Stick 4K	3820X/3821X	3 researched
Express 4K	3940X/3941X	3 researched
Roku Express	3960R/3960X	3 researched
Roku Streambar	9102R	3 researched
Roku Streambar Pro	9101R2 (bare 9101 is the Roku Smart Soundbar, a different product)	3 researched
Roku Pro Series TV	55/65/75R8BX*	3 researched
Roku Plus Series TV	55/65/75R6AX*	3 researched

Structured depth, not empty permutations

Every published record carries a direct answer, scope, ordered fixes, risk notes and sources.

Device and manufacturer hubs share a consistent record system, but each answer carries the relevant controls, fault boundaries, consequences and official support entry point for that platform.

See the publication gate