To run a monitor at 144Hz, 165Hz, 240Hz or another high refresh rate, every part of the signal path must support the same resolution and refresh target: the monitor input, cable, graphics output, GPU, driver and Windows display mode. Connect the monitor directly to the discrete GPU, select the supported rate at Settings > System > Display > Advanced display, then enable Adaptive-Sync, FreeSync or VRR in the monitor menu and in your GPU software. If frame rates exceed the panel’s refresh rate, use a frame cap or V-Sync to prevent tearing.
The number printed on a monitor box is not guaranteed at every resolution or input. The monitor manual and GPU specifications are the authority for the exact mode your hardware can produce.
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What a high refresh rate changes
Refresh rate is the number of times the panel can update each second. A 60Hz display updates 60 times per second; 144Hz, 165Hz and 240Hz allow substantially more frequent updates when the game can render enough frames. Higher refresh can make camera movement, cursor motion and fast aiming appear clearer, but it does not create additional frames by itself. The GPU and game still have to render them.
Variable refresh rate (VRR) changes the panel’s timing to follow the GPU’s frame delivery. NVIDIA describes G-SYNC as technology that matches the monitor’s refresh rate to the GPU frame rate. AMD FreeSync uses supported DisplayPort Adaptive-Sync or HDMI VRR implementations. VRR is useful when frame rate moves within the monitor’s specified VRR range because it reduces the timing mismatch that produces visible tearing or uneven motion.
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VRR is separate from the monitor’s maximum refresh setting. You normally configure the maximum mode in Windows, enable the monitor’s synchronization feature in its on-screen display (OSD), and then enable the corresponding function in NVIDIA or AMD software.
Check compatibility before changing settings
Write down the exact monitor model, the resolution at which you want to play, the desired refresh rate, the GPU model and the input you plan to use. Check the monitor manual and the GPU specification together. Look specifically for:
- Maximum refresh rate at your chosen resolution, not just the headline maximum.
- Which inputs support that mode and whether a particular input must be selected in the OSD.
- The monitor’s VRR technology and operating range.
- The cable or connection standard required for the mode.
- Whether HDR and the desired color bit depth are available at the same resolution and refresh rate.
Use a direct cable from the monitor to the discrete GPU when the PC has one. Do not connect the monitor to a motherboard video output unless the processor, motherboard output and firmware explicitly support the target resolution, refresh rate and VRR mode. Avoid adapters until you have confirmed that the adapter carries the required signal; an adapter can silently limit the available modes.
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Choose the connection that supports your target mode
DisplayPort and HDMI can both deliver high-refresh gaming, but their capabilities depend on the exact version, implementation and monitor input. There is no universal “best” connector without checking the specifications.
| Connection choice | What to verify | VRR notes | Common limitation |
|---|---|---|---|
| DisplayPort | Monitor input and GPU output must support the desired resolution and refresh rate; use the cable specified for that mode. | AMD FreeSync can use DisplayPort Adaptive-Sync. NVIDIA may require DisplayPort for a particular G-SYNC or G-SYNC Compatible path. | A monitor OSD set below the needed DisplayPort version can restrict available modes. |
| HDMI | Confirm the HDMI capability of both the monitor input and GPU output, plus the cable’s rating for the target mode. | AMD documents FreeSync over HDMI on certified displays. NVIDIA documents HDMI 2.1 VRR for supported GeForce GTX 16-series and RTX 20-series-and-newer combinations. | Some monitors support their highest refresh only on one HDMI input or only through DisplayPort. |
| Adapter, dock or converter | Check the adapter’s supported resolution, refresh rate, VRR, HDR and color depth as a complete set. | VRR support is not implied by a connector’s shape; it must be specified for the adapter path. | The adapter or dock can become the bottleneck even when the GPU and monitor support the target mode directly. |
| Motherboard video output | Verify that the CPU’s integrated graphics and motherboard output support the monitor mode. | Discrete-GPU VRR settings may not apply when the display is connected to the motherboard. | The display may be limited to lower rates or unavailable GPU features. |
If the monitor has a DisplayPort setting such as 1.1 or 1.2, choose 1.2 or higher when the manual requires it for the target mode. AMD also recommends disabling an Anti-Blur setting where that option exists before configuring FreeSync.
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Set the refresh rate in Windows
- Connect the monitor to the intended GPU output and turn the monitor on.
- Open Start > Settings > System > Display.
- Select the correct monitor if more than one display is listed.
- Open Advanced display.
- Use the display selector to choose the monitor, then open the refresh-rate menu and select the highest rate that is supported at your current resolution.
- Accept the change and confirm that the monitor OSD reports the expected rate.
Windows builds the refresh-rate list from the modes reported by the display. Microsoft notes that an asterisk appears beside a rate that does not support the current resolution; selecting it can change the resolution. If the rate you want is missing, do not force an arbitrary custom mode first. Check the cable, input, monitor OSD mode, selected resolution and graphics driver, then consult the monitor’s timing table.
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If a higher rate is available only at a lower resolution, that is a capability trade-off of the monitor or connection. Choose the combination you actually want rather than assuming that the maximum refresh number applies to every resolution.
Enable VRR in the monitor’s OSD
Use the monitor’s physical controls or OSD joystick. The setting may be called Adaptive-Sync, FreeSync, Variable Refresh Rate or a similar name. Turn it on, save the profile and leave any required DisplayPort version at the value specified by the manual. If the monitor has an Anti-Blur, MBR or backlight-strobing mode, disable it while testing VRR; many displays cannot run both modes simultaneously.
Use the monitor’s information page, if available, to confirm the active resolution, refresh rate and synchronization state. Some OSDs show VRR only while a game is producing a compatible signal.
Configure NVIDIA graphics
G-SYNC and G-SYNC Compatible
- Install a current NVIDIA graphics driver and restart if the installer requests it.
- Right-click the desktop and open NVIDIA Control Panel.
- Under Display, choose Set up G-SYNC.
- Select Enable G-SYNC, G-SYNC Compatible.
- Choose whether it should apply to fullscreen applications or to windowed and fullscreen applications, then select the monitor.
- Apply the changes.
When a game or application exposes a monitor-technology option, choose G-SYNC or G-SYNC Compatible as appropriate. NVIDIA states that G-SYNC Compatible displays require a Pascal-class or newer GPU. A display can also require DisplayPort for its validated G-SYNC path, so use the connector specified for that monitor rather than assuming HDMI will provide the same feature.
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If you are using HDMI, verify the exact monitor input, GPU generation and HDMI capability. NVIDIA’s documented HDMI 2.1 VRR support applies to supported GeForce GTX 16-series and RTX 20-series-and-newer combinations; it is not a blanket guarantee for every HDMI output or display.
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Configure AMD graphics
- Install the current Radeon graphics driver.
- Open AMD Software or Radeon Settings.
- Open the Display section.
- Confirm that AMD FreeSync is set to On for the selected monitor.
- Apply the setting if the software presents an Apply button, then restart the game.
AMD states that FreeSync can be delivered through DisplayPort Adaptive-Sync and HDMI on certified displays. If the FreeSync switch is absent, confirm that the monitor and Radeon GPU or APU are compatible, that the monitor OSD feature is enabled, and that the current driver recognizes the display.
Configure the game and prevent tearing
Start a game after Windows and GPU settings are in place. Select the monitor’s native or intended resolution and the desired refresh rate in the game’s video menu. If the game offers a VRR, G-SYNC or FreeSync option, enable the one that matches your hardware. Fullscreen, borderless and windowed modes can use different presentation paths, so test the mode in which you actually play.
Watch the monitor’s OSD or the GPU control panel while the game is running. The reported refresh rate should move with the game’s frame rate when VRR is active. If frame rate regularly exceeds the display’s maximum refresh rate, AMD recommends using V-Sync or an FPS cap for tear-free output. Set a cap inside the game when it is reliable; otherwise use the driver’s per-game limiter. The appropriate cap depends on the monitor’s measured behavior and the game, so verify the result rather than assuming a universal number.
Do not confuse a high refresh setting with a guaranteed frame rate. A 240Hz mode can still display a game running at 90 frames per second; VRR can synchronize within its supported range, but the GPU must render more frames to make the higher ceiling visible.
Windows 11 windowed and Dynamic Refresh Rate settings
Optimizations for windowed games
For DirectX 10 and DirectX 11 games running in windowed or borderless-windowed mode on Windows 11, open Settings > System > Display > Graphics. Enable Optimizations for windowed games, then restart the game. Microsoft says this feature improves presentation performance and can enable modern features, including VRR, on supported displays. It does not override an unsupported monitor, cable or GPU path.
Dynamic Refresh Rate
Windows 11 Dynamic Refresh Rate (DRR) requires a VRR-capable display and at least 120Hz. Microsoft warns that DRR can limit the maximum rate of games that are not designed for VRR. If a game refuses to run at the monitor’s available maximum while DRR is enabled, open Settings > System > Display > Advanced display, select the affected display and disable DRR for testing. Re-enable it only if it does not constrain the games you play.
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Microsoft ended Windows 10 support on October 14, 2025. Menu names and feature availability can differ on an unsupported installation, so treat Windows 11 paths as the current reference and check the release-specific documentation for older systems.
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Diagnose a monitor stuck at 60Hz
Only 60Hz appears in Windows
- Check that the cable is connected to the discrete GPU rather than the motherboard.
- Try the monitor input listed in its manual for high refresh, and select that input in the OSD.
- Inspect the cable and remove an adapter or dock temporarily.
- Set the resolution to a mode the monitor lists for the desired refresh rate.
- Check for an OSD option that changes the DisplayPort version or enables a high-bandwidth mode.
- Install or update the graphics driver, then revisit Advanced display.
Windows exposes only the rates reported by the display, so a missing rate usually indicates a capability, connection, input-selection or driver problem rather than a hidden Windows toggle.
The high rate appears but changes resolution
Return to Advanced display and choose a refresh-rate and resolution pair that the monitor supports together. An asterisk beside a rate means that rate does not support the current resolution according to Microsoft’s display-mode list.
G-SYNC is missing
- Confirm that the GPU is Pascal-class or newer for G-SYNC Compatible operation.
- Enable Adaptive-Sync or VRR in the monitor OSD.
- Use the DisplayPort connection required by the monitor’s validated path.
- Open NVIDIA Control Panel > Display > Set up G-SYNC and enable the feature for the selected monitor.
- Update the driver and check that Windows is detecting the intended display rather than a dock or adapter.
FreeSync is missing or inactive
- Confirm that the monitor and Radeon GPU or APU support FreeSync.
- Enable FreeSync in the monitor OSD.
- Open AMD Software > Display and set AMD FreeSync to On.
- Update the Radeon driver and test both the monitor’s specified DisplayPort and HDMI paths if the manual lists them.
VRR works on the desktop but not in a game
Check the game’s display mode, because fullscreen, borderless and windowed rendering can use different presentation paths. On Windows 11, enable Optimizations for windowed games for DirectX 10 or 11 titles and restart the game. Also check whether DRR is restricting the maximum rate, and verify that the game’s frame rate is inside the monitor’s stated VRR range.
HDMI does not expose the expected VRR mode
Verify the HDMI version and VRR implementation on both ends, the exact monitor input and the cable. AMD FreeSync over HDMI requires a compatible certified display; NVIDIA’s documented HDMI 2.1 VRR combinations require supported GeForce GTX 16-series or RTX 20-series-and-newer hardware. A different HDMI input on the same monitor may have different capabilities.
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| Decision | Choose this when | Check before committing |
|---|---|---|
| DisplayPort Adaptive-Sync | The monitor manual specifies DisplayPort for the target refresh and VRR range, especially for a validated G-SYNC path. | GPU output, monitor DisplayPort version, cable capability and any OSD bandwidth setting. |
| HDMI VRR | The monitor and GPU explicitly support the desired HDMI VRR mode at the chosen resolution. | Exact HDMI input, GPU generation, cable rating and whether HDR or color depth changes at the target rate. |
| Fullscreen game | You want the game’s dedicated display mode and the simplest VRR testing path. | In-game refresh setting and whether the title switches resolution when entering fullscreen. |
| Borderless or windowed game | You switch frequently between applications or need desktop overlays. | Windows 11 Optimizations for windowed games, the game’s DirectX version and DRR behavior. |
| HDR at high refresh | The monitor specification lists HDR at the chosen resolution and refresh rate. | Whether enabling HDR reduces available bit depth, refresh rate or VRR range; the exact combination is model-specific. |
There is no universal performance ranking among these choices. Maximum refresh, VRR range, HDR and color depth are constrained by the particular monitor input, GPU output, cable and software path. Select the combination that the manufacturer lists for your intended resolution, then verify it in Windows and in a game.
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Final verification checklist
- The cable runs directly from the monitor to the intended GPU output.
- Windows Advanced display shows the intended resolution and refresh rate without an unwanted resolution change.
- The monitor OSD reports the active high-refresh mode and VRR state.
- NVIDIA Control Panel or AMD Software reports the corresponding synchronization feature as enabled.
- The game uses the intended fullscreen, borderless or windowed mode.
- Frame rate stays within the monitor’s VRR range, or a frame cap/V-Sync setting prevents it from regularly exceeding the panel’s maximum.
- HDR and color settings remain at the values you want at that refresh rate.
Frequently Asked Questions
Will a 240Hz monitor make a game run at 240 frames per second?
No. Refresh rate is the panel’s update ceiling; the game and GPU must render the frames. VRR can synchronize changing frame rates only within the monitor’s specified operating range.
Can I use high refresh through a laptop dock?
Only if the laptop output, dock, cable and monitor jointly specify the desired resolution, refresh rate and VRR mode. Test the direct laptop-to-monitor path if the dock exposes only 60Hz.
Why does enabling HDR change my available refresh rates?
The monitor or connection may not support HDR, the selected color depth and the high-refresh mode simultaneously. Check the model’s timing table and choose a listed combination.
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Use the game or driver guidance for your GPU and cap frame rate when it regularly exceeds the panel’s maximum. The goal is to keep output inside the monitor’s supported VRR range without tearing.
Does an asterisk beside a Windows refresh rate mean the mode is broken?
No. Microsoft uses the asterisk to indicate that the rate does not support the current resolution; selecting it may change the resolution.
Why does VRR stop when I turn on an Anti-Blur mode?
Many monitors treat backlight-strobing or Anti-Blur as an alternative operating mode and disable Adaptive-Sync. Turn Anti-Blur off while configuring and testing VRR.
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