Fix Guide: Quest Pro + Virtual Desktop Input Not Working in VRChat via SteamVR

A friend of mine encountered a severe issue with their Quest Pro controllers because of a very recent update with SteamVR on 6/9/2025. After hours and hours of blood, sweat, tears, and crashouts, we're sharing this guide in case anyone else has had this issue!

The Fix Itself

🎮 Fix Guide: Quest Pro + Virtual Desktop Input Not Working in VRChat via SteamVR

Last Updated: 2025-06-12

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🧠 Problem

After recent SteamVR updates, users with:
- Meta Quest Pro
- Using Virtual Desktop
- Launching SteamVR and playing VRChat

...experience broken controller input, including:

• No movement
  
• No turning
  
• No bindings working (Move: `<Unbound>`, Rotate: `<Unbound>`)
  
• SteamVR incorrectly assigning controller profile as `Index Controller`

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✅ Confirmed Fix (Community Discovered)

🔧 Roll Back SteamVR to a Working Version

1. Open **Steam**
2. Go to your **Library**
3. Find **SteamVR**
4. Right-click → **Properties**
5. Click the **“Betas”** tab
6. From the dropdown, select an **earlier version**:
> Example: `beta - SteamVR [pre-latest build]`
7. Close window and let Steam **downgrade SteamVR**
8. Relaunch **Virtual Desktop** on Quest Pro
9. Launch **SteamVR from inside Virtual Desktop**
10. Test input inside **SteamVR Home** and then **VRChat**

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💡 Why This Works

The newest SteamVR update:

• Breaks compatibility with Virtual Desktop’s **controller passthrough**
  
• Forces incorrect or broken **input profiles** (like Index for Quest Pro)
  
• Does not allow proper **binding editing**

Rolling back avoids the broken input stack and restores normal operation.

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📌 Tips

• Stay on the known working beta version until Valve pushes a stable fix.
  
• Bindings may still need light tweaks through:
  
• `SteamVR > Settings > Controller > Manage Bindings > VRChat`

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🛠️ Tested Config

• Meta Quest Pro
  
• Virtual Desktop (latest streamer)
  
• SteamVR (pre-latest beta)
  
• VRChat (latest)
  
• OpenXR set to **SteamVR**

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🧠 Credit

Discovered through user troubleshooting + teamwork by the original poster and their friends.

Props to y’all. 🙌
Credits to ExodiumVR for applying the fix and drafting this guide