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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesThe best all-round setup is 4K output for maximum detail when you are happy with a 60-fps ceiling, or 1080p/1440p output when a particular game and TV can use 120Hz. Connect the dock with Nintendo Switch 2’s NGN-01 AC adapter and an Ultra High Speed HDMI cable, enable the TV input’s enhanced-bandwidth mode, turn on Auto Low-Latency Mode (ALLM), and leave RGB Range on Automatic unless you have deliberately configured the TV for Full RGB.
What the best Switch 2 TV setup actually is
Nintendo Switch 2 can output up to 4K resolution, HDR and up to 120 frames per second when the TV, HDMI connection and software all support the selected mode. Those capabilities are not available simultaneously in every combination: Nintendo states that 4K output has a maximum frame rate of 60 fps. A 120Hz-capable TV therefore does not make a 4K game run at 120 fps.
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Use the following decision rule:
- Choose 4K when fine detail is your priority and 60 fps is sufficient.
- Choose 1080p or 1440p when a supported title can use 120Hz and smoother motion matters more than maximum resolution.
- Use Automatic when you do not know what the TV, HDMI port or cable can handle; the console can then negotiate a compatible output.
Enable ALLM so a compatible television can switch itself into Game Mode. Keep 120Hz Output enabled if both the TV and the software support it, but do not treat the presence of the toggle as proof that the current game is running at 120Hz. HDR requires an HDR-capable display and compatible software, while RGB Range is normally best left on Automatic.
Connect the dock and cable before changing picture settings
Use the correct power adapter
Connect the dock with the Nintendo Switch 2 NGN-01 AC adapter. A power adapter intended for the original Nintendo Switch is not the recommended foundation for Switch 2 TV mode.
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Use an Ultra High Speed HDMI cable
Switch 2 TV mode requires an Ultra High Speed HDMI cable. Nintendo says the HDMI cable supplied with the original Nintendo Switch is not Ultra High Speed and cannot be used to play Nintendo Switch 2 in TV mode. Reusing that older cable can prevent the dock from negotiating the modes you expect, even if the television itself supports 4K, HDR or 120Hz.
Choose the right HDMI input on the TV
Connect the dock directly to a TV HDMI input that supports the bandwidth required by your chosen mode. Televisions often reserve their highest-bandwidth functions for particular ports. After connecting, open the TV’s input or HDMI settings and enable its enhanced mode. The label varies by manufacturer and model; examples include HDMI Enhanced, UHD Color and HDMI Ultra Deep Color. If enhanced mode is disabled, a capable TV may accept only a lower-bandwidth signal.
4K versus 1080p or 1440p: which output should you select?
| Switch 2 output | What it prioritizes | Frame-rate limit or condition | Best use |
|---|---|---|---|
| 4K (2160p) | Maximum docked image detail | Up to 60 fps; Nintendo fixes 4K output to a maximum of 60 fps | Adventure, strategy and other games where image detail is more important than 120Hz motion |
| 1440p | A middle ground between detail and high refresh | 120Hz is possible only when the specific game, TV and HDMI path support it | A 1440p-capable display when you want a sharper image than 1080p without choosing 4K |
| 1080p | Compatibility and the option of high refresh | 120Hz is possible only in supported software and hardware | Competitive or fast-moving games on a 120Hz-capable TV |
| Automatic | Compatibility negotiation | Depends on the TV and connected HDMI path | First setup, troubleshooting or an unknown display capability |
The console’s maximum output is not the same as a promise from every game. A title may render internally at another resolution, target a lower frame rate or never request 120Hz. There is no universal game-by-game 120Hz list or independent frame-rate test for every title, so check the individual game’s support information when a high-refresh mode is important.
Set Switch 2’s TV Output options
With the console docked and the TV showing its input, open the Switch 2 system settings and go to TV Output. Apply these settings in order.
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- Set Resolution. Select Automatic if the television’s capabilities are unknown. Select 4K for maximum detail with the 60-fps ceiling, or select 1080p or 1440p when you are intentionally targeting 120Hz on compatible equipment.
- Enable Auto Low-Latency Mode. With ALLM enabled, a compatible TV can automatically change to its Game Mode setting. If the TV does not react, choose its Game Mode manually using the TV remote.
- Enable 120Hz Output. Leave this enabled when the display and software support high refresh. Nintendo cautions that the option can remain available even when the connected TV or the current software cannot actually deliver 120Hz. Seeing the switch is therefore not a performance confirmation.
- Configure HDR. Use an HDR-capable TV. Select Compatible Software Only if you want HDR processing applied only to software that identifies itself as HDR-compatible. When the console prompts you, complete Adjust HDR so the darkest and brightest reference images are visible without losing shadow or highlight detail.
- Set RGB Range. Leave it on Automatic for most installations. If the TV is explicitly configured for Full RGB, select Full on the console as well; otherwise keep the negotiated setting.
Why 4K and 120Hz are separate choices
Resolution describes how many pixels are sent to the TV; refresh rate describes how often the TV can display a new frame. A 4K signal contains substantially more image data than 1080p, and Nintendo specifies a 60-fps maximum for 4K output. Selecting 1080p or 1440p can leave enough bandwidth for a 120Hz mode, but only a game written to use that mode can benefit from it.
For a living-room single-player setup, 4K is usually the sensible starting point because it preserves the greatest available detail and remains within the console’s stated 60-fps 4K limit. For a fast game that explicitly supports 120Hz, a 1080p or 1440p output can be the better choice if your TV’s high-refresh input mode is active. This is a preference and compatibility decision, not a universal claim that one resolution is faster in every title.
Configure the television for low latency and full HDMI bandwidth
Game Mode and ALLM
ALLM is the first latency-related setting to check. Its purpose is to tell a compatible TV to use its game-oriented processing path instead of a picture mode designed for movies or broadcast video. That avoids unnecessary processing in the signal path. If ALLM is enabled on the console but the TV remains in a cinema, standard or vivid preset, select Game Mode manually and verify that it remains active when the dock input is selected.
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Enhanced or high-bandwidth HDMI mode
Open the TV’s external-input, HDMI or signal-format menu and enable the enhanced/high-bandwidth option for the dock’s port. The setting may be called HDMI Enhanced, UHD Color or HDMI Ultra Deep Color. Without it, the port may accept a signal but reject 4K, HDR or 120Hz combinations that the panel itself supports.
Motion and picture processing
If the TV offers frame interpolation, motion smoothing or similar cinema-processing controls inside its normal picture presets, Game Mode is generally the appropriate starting point for gaming. Do not judge latency from a brand-wide specification: input response varies by TV model and by which processing options are active, and no universal latency figure applies to every Switch 2 setup.
HDR: enable it without changing non-HDR games unnecessarily
HDR requires three things: an HDR-capable TV, an HDMI path that carries the signal and software that supports HDR. The console’s HDR menu can offer processing beyond native HDR content; selecting Compatible Software Only limits HDR treatment to software identified as compatible, which is the safer choice if you want non-HDR games to retain their normal appearance.
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Run Adjust HDR when prompted after enabling HDR. Follow the on-screen calibration rather than copying a brightness number from another TV: peak brightness, black level and tone mapping vary between displays. If HDR is missing entirely, first verify that the TV input’s enhanced mode is enabled and that the dock is connected with the required Ultra High Speed cable.
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RGB Range: prevent crushed or gray-looking blacks
RGB Range determines the numerical range used for black-to-white video values. Tom’s Guide describes Full RGB as 0–255 and Limited RGB as 16–235. The console and TV must agree. A mismatch can make shadows look crushed and lose detail, or make the entire image look gray and washed out.
For most people, leave Switch 2 on Automatic and let the connected equipment negotiate the range. Use Full only when the TV is deliberately configured for Full RGB and you have confirmed that both ends use the same range. If a black-level test image shows missing shadow detail or a gray haze after a manual change, return both devices to their automatic or matching settings.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to troubleshoot missing 4K, HDR or 120Hz
The TV will not show 4K
- Return Switch 2’s Resolution setting to Automatic and confirm that the TV is receiving the dock input.
- Check that the dock uses the NGN-01 AC adapter and an Ultra High Speed HDMI cable; replace the original Switch cable if that is what you connected.
- Enable the TV input’s enhanced/high-bandwidth mode.
- Try the TV’s HDMI input identified for its highest bandwidth, then select 4K again in TV Output.
If the signal still falls back, the limiting component may be the TV model, that specific HDMI port or another device in the connection path. No universal workaround applies to every television.
HDR is not offered or the picture looks wrong
- Confirm that the TV panel and the selected HDMI input support HDR.
- Enable the input’s enhanced mode and make sure the Ultra High Speed cable is connected securely.
- Use Compatible Software Only if you do not want HDR processing applied to non-HDR software.
- Run Adjust HDR again after changing the TV’s picture mode or HDR settings.
The 120Hz option is present, but the game is not running at 120Hz
The toggle alone is not proof of a 120Hz signal. Check all three dependencies: the game must support 120Hz, the TV must support 120Hz at the selected resolution, and the dock’s HDMI input must be configured for the necessary bandwidth. Set Resolution to 1080p or 1440p when appropriate, enable the TV’s enhanced mode, and verify that Game Mode or ALLM is active. If the software does not support 120Hz, no console setting can add that mode.
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The picture has delayed controls
Confirm that ALLM is enabled and that the TV has actually switched to Game Mode. If it has not, select Game Mode manually for the dock input. Then review optional processing in that picture preset. There is no single latency number that can be applied to every TV and game, so the practical test is whether the set is using its gaming processing path and whether controls feel responsive in the specific title.
Blacks are crushed, gray or washed out
Undo any unverified RGB Range change and return the console to Automatic. If you use Full RGB, configure the TV for the same Full range; if the TV expects Limited, use the matching Limited setting. Recheck the TV’s black-level control after the range is synchronized.
The image flickers, drops out or repeatedly reconnects
Reseat both HDMI ends, confirm the cable is Ultra High Speed certified, and test the dock on the TV input with enhanced mode enabled. If the problem appears only at 4K or 120Hz, select Automatic or temporarily use 1080p to identify whether the selected mode exceeds what that port or cable path can sustain.
Recommended profiles for different priorities
| Priority | Switch 2 settings | TV settings | Trade-off |
|---|---|---|---|
| Maximum detail | Resolution: 4K; 120Hz Output can remain enabled; HDR according to compatible software | Enhanced HDMI mode; ALLM/Game Mode | 4K output is limited to 60 fps |
| High-refresh play | Resolution: 1080p or 1440p; 120Hz Output enabled | 120Hz-capable HDMI input; enhanced mode; ALLM/Game Mode | Only software that supports 120Hz can use it, and image detail is below 4K |
| Unknown TV capability | Resolution: Automatic; 120Hz Output enabled; RGB Range: Automatic | Enable enhanced mode if available; allow ALLM to select Game Mode | The console may choose a conservative compatible signal |
| HDR-focused setup | Use a supported resolution; HDR: Compatible Software Only; run Adjust HDR | HDR enabled for the dock input; enhanced HDMI mode | HDR depends on the TV, HDMI path and individual software |
What the console cannot guarantee
Switch 2’s output features describe the capabilities of the docked system, not a guaranteed result for every title or TV. A 4K-capable connection still has a 60-fps ceiling at 4K. A 120Hz-capable television still needs software that requests 120Hz. HDR appearance depends on the display’s tone mapping and calibration, while input response depends on the TV model and its active processing. Treat 4K, HDR, 120Hz and low latency as separate checks rather than one combined “best” mode.
The most reliable baseline is therefore a correctly powered dock, the required Ultra High Speed cable, the TV input’s enhanced mode, ALLM/Game Mode and automatic RGB negotiation. From there, choose 4K for detail or 1080p/1440p for a supported 120Hz game.
Quick Recap
Final setup check
- NGN-01 Switch 2 AC adapter connected to the dock.
- Ultra High Speed HDMI cable connected between dock and TV.
- TV input’s enhanced/high-bandwidth mode enabled.
- Resolution selected for the priority: 4K for detail, 1080p/1440p for supported 120Hz play, or Automatic when uncertain.
- ALLM enabled and Game Mode confirmed on the TV.
- 120Hz Output enabled, with the game’s own support verified.
- HDR calibrated with Adjust HDR and limited to Compatible Software Only when desired.
- RGB Range left on Automatic unless both TV and console are intentionally set to Full.
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