How to turn on 165 Hz on Xiaomi monitor: a detailed guide with solutions to problems

You bought a Xiaomi gaming monitor with 165Hz support, but only 60 or 144Hz is displayed in the settings? This problem is familiar to many brand users - despite the declared frequency, the monitor stubbornly does not want to work at maximum, the reasons are rooted in the wrong settings of Windows, outdated drivers or even factory restrictions on cable.

In this article, we will look at all the ways to activate 165 Hz on Xiaomi Redmi G24/G27 monitors, Mi Curved Gaming and other models, learn how to check for high-frequency support, update the monitor firmware, configure the graphics driver and even manually add non-standard resolution, and if nothing helps, find alternative solutions for gamers and designers.

Spoiler: 80 percent of the time, it's either replacing the DisplayPort 1.4 cable or turning off the FreeSync function in the monitor menu, but that's it.

1. Technical Requirements Check: Does your monitor support 165Hz?

Before you try to turn on 165Hz, make sure your Xiaomi model does support this frequency.Some monitors (like the Redmi G24 as standard) are limited to 144Hz, and 165Hz is only available after a firmware update or when using DisplayPort.

Here are the official characteristics of popular models:

⚠️ Note: If your monitor is marked as not 165Hz, further instructions will not help.

Also check:

• 🔌 Cable: DisplayPort 1.4 is mandatory for 165Hz. HDMI 2.0 is usually limited to 144 Hz, and HDMI 1.4 - 60 Hz.
• 🖥️ Video card: Obsolete GPU (for example, NVIDIA GTX 9xx or AMD RX 4xx) They may not support high frequencies.
• 🔄 Firmware: Redmi monitors G24/G27 First batches require an update to unlock 165 Hz.

2. Set up the refresh rate in Windows 10/11

If the monitor supports 165Hz, but Windows settings only display 60 or 144Hz, the problem lies in the drivers or system limitations.

1. Press Win + I, select System → Display → Additional display options.
2. In the Adapter Properties section, click on the List of all modes.
3. Check if there is 165Hz on the list. If not, move on to the next step.

If 165 Hz is missing:

• 🔧 Update the graphics card driver: Download the latest version from the site NVIDIA, AMD Intel.
• 📥 Install the monitor driver: Download it from the official Xiaomi website (Support section) → Drivers).
• 🔄 Restart PC: Sometimes changes only apply after a reboot.

⚠️ Note: If you are using a laptop with hybrid graphics (Intel) + NVIDIA/AMD), Connect the monitor to a discrete graphics card via DisplayPort. embedded graphics often limits frequency.

3. Update the firmware monitor Xiaomi to unlock 165 Hz

Monitors Xiaomi Redmi G24 and Redmi G27 first batch came with firmware, limiting the maximum frequency to 144 Hz. To unlock 165 Hz, you need to update the software through the official tool.

Instructions:

1. Download the Mi Monitor Upgrade Tool from Xiaomi (Support → Firmware)
2. Unpack the archive and launch UpgradeTool.exe on behalf of the administrator.
3. Connect the monitor to your PC via DisplayPort and select it from the list of devices.
4. Press Upgrade and wait until it is completed (about 5 minutes).

After the update:

• 🔄 Restart the monitor (turn off power for 30 seconds).
• 🖥️ Check the available frequencies in Windows settings.

⚠️ Warning: If the monitor doesn't turn on or flashes after the update, reset the settings. To do this, press the Menu button for 10 seconds with the power off.

4. Manual addition 165 Hz through NVIDIA/AMD Control Panel

If Windows does not see 165 Hz, but the monitor supports this frequency, you can add it manually through the control panel of the graphics card.

For NVIDIA graphics cards:

1. Open the NVIDIA Control Panel (right-click on the desktop).
2. Go to Display. → Change resolution.
3. Press Customize and create a new mode at 165Hz.
4. Confirm the testing of the new permit.

For AMD graphics cards:

1. Open AMD Radeon Software.
2. Select Display → Custom Resolutions.
3. Add a new frequency by specifying 165 Hz.
4. Save and apply the changes.

⚠️ Warning: If the screen is gone or artifacts appear after application, wait 15 seconds, the system will automatically return the previous settings. If this does not happen, restart the PC in Safe Mode and delete the created profile.

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Before creating custom permission, check whether the monitor supports it through the CRU (Custom Resolution Utility) utility.

5.Configure the monitor through OSD-menu (buttons on the body)

Sometimes 165Hz is not activated because of the wrong settings of the monitor. OSD-menu (buttons under the screen) and follow the following steps:

1. Press Menu and select Game Settings (or Game Settings).
2. Find the Overclock or Refresh Rate option.
3. Choose 165 Hz (if available).
4. Turn off FreeSync or Adaptive Sync – sometimes these features conflict with high frequencies.

Also check:

• 🔄 Display mode: Install Game Mode or Standard (not Movie or Eco).
• 🎯 Color profile: Some profiles (e.g. sRGB) limit frequency.
• 🔌 Signal Source: Select DisplayPort as the main input from the menu.

On Xiaomi Redmi G24/G27 monitors, the Overclock option can be hidden if the monitor is connected via HDMI.

Problems and Solutions: Why 165Hz Doesn't Work

If you’ve completed all the steps but 165Hz never showed up, check out the following:

If nothing worked,

• 🔧 Reset the monitor settings: Press the Menu button for 15 seconds.
• 📋 Check the driver log: In Device Manager, see if the video card or monitor has any errors.
• 🔄 Try another PC: Connect the monitor to another computer to rule out a graphics card problem.

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If Xiaomi's monitor doesn't support 165Hz hardware, no settings will help.The most you can do is overclock it to 144Hz via the CRU, but it could lead to artifacts or shorten the life of the matrix.

FAQ: Frequent questions about 165 Hz on Xiaomi monitors