• February 22, 2024

Why isn’t the WMR controller working in Half-Life: Alyx?

Controllers not appearing in the Half-Life: Alyx menu? This guide is intended to help fix an issue with displaying additional devices for VR experiences. One of the following procedures should help.

How do I fix problems with connecting WMR controllers?

You should start fixing with the most effective ways according to user feedback.

Solution 1: new account name

Initially, it is recommended to change the profile name to one that will use only English letters without Cyrillic. You should also try reinstalling WMR Portal after changing the profile name.

Solution 2: reboot controllers

What should be done:

  1. First, you need to turn off both devices by holding down the Windows button for 5 seconds.
  2. Turn on the left controller and wait for it to be detected.
  3. Activate the second device.

Solution 3: switch Windows language

Yes, even changing the language to English sometimes helps.

Solution 4: creating a new user

With the new profile, Windows 10 can work correctly when syncing with WMR controllers.


  1. Click on “Start” and through the “Control Panel” go to “User Accounts”.
  2. Click on the link “Manage another account”.
  3. Click on the “Add new user” option and follow the instructions.

Solution 5: reinstall Windows 10

One of the recovery options is to start a fresh installation of Windows 10 with only personal data saved. A prerequisite is that the 1909 update is installed.

Solution 6: a set of small actions

Here are some simple steps, each of which can help:

  • Check game files via Steam.
  • Start using the beta version of SteamVR.
  • Reinstall WMR for SteamVR.
  • Update NVidia drivers. The recommended version is at least 445.75.
  • Windows update to version KB4537572.

Solution 7: reinstall the mixed reality utility

Windows Mixed Reality Portal reinstallation guide:

  1. Open “Settings” and go to the section “Mixed Reality” (Mixed Reality).
  2. Select the “Delete” option.
  3. Install the utility from the store Windows
  4. Run the program after installation and open the “Settings” section.
  5. Go to the “Updates and Security” section and click on the “Check for Updates” button.

Solution 8: check if SteamVR works

In some cases, SteamVR encounters missing or corrupted files that intermittently display error 301. You should check that the tool is installed correctly and is working properly.

How to proceed:

  1. Exit SteamVR and go to the Steam client.
  2. Go to “Library” and select “Tools”.
  3. Right click on SteamVR, select Properties and go to the Local Files tab.
  4. Click on the option “Check the integrity of files”.

Another method is to delete the local tool data via the same menu and reinstall it again.

WMR controller won’t connect, what should I do?

This sequence of actions should correct the situation:

  • Make sure the controller is turned on. If disabled, you should press the lower key on the device.
  • Check if there is sufficient charge. Most likely it should be charged by connecting it to an outlet via a standard microUSB cable and a power adapter. A yellow indicator is displayed while charging. The full set of energy is indicated by the color of the LED. If solid green, the controller is charged and turned on. White indicates a fully charged battery, but the device is off.
  • Make sure the pairing is good with the computer. Typically an unsynchronized LED indicates no connection. It is worth putting the controller into pairing mode. Next, you should open SteamVR, go to the “Devices” section and select “Steam Controller”.
  • See if the indicator is red? This means that it will not respond to games. It should be rebooted. To do this, you need to hold down all the keys, except for the system one, in parallel connect the device to a PC via a microUSB cable and wait 5 seconds. You can release the keys and, ignoring the message about the new device, disconnect the cable. This will reset. The controller should now work properly.

There are problems with the controller trackpad

There are complaints about twitching of the trackpad or its excessive sensitivity. The problem is incorrect setting, calibration will help fix the problem.


  1. Check that the system has the most current firmware version. It’s easy to find out in the SteamVR – “Devices” section of the “Firmware Update” tab.
  2. Turn off the controller while holding the system button.
  3. Hold the trigger and key on the handle, and then press the system button.
  4. After turning on the controller, an abnormal noise should appear.

After completing the above steps, the WMR controller should work properly with Half-Life: Alyx.

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