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esigaero76
New Participant
October 7, 2026
Question

Quest 3 detected as USB 2.0 (High-Speed) since Windows 11 26H2, Link unusable

Hi,

My Quest 3 used to work perfectly with Link over USB 3 (about 2.4 Gbps in the Link USB test). Since the Windows 11 26H2 update, the headset is always detected as USB 2.0 and I'm capped at about 340 Mbps.

Setup

  • CPU: Intel Core i9 14900K
  • GPU: NVIDIA RTX 4080 Super, with the driver version recommended on Meta's support site
  • Motherboard: Gigabyte Z790 AORUS Pro X WiFi 7
  • OS: Windows 11 26H2
  • Cable: third-party USB-A to USB-C cable (USB 3), which worked fine before the update, plugged into a USB 3 Type-A port on the motherboard

What I observed

  • USB Tree Viewer shows the Quest 3 as High-Speed (USB 2.0).
  • On the exact same port, a USB 3 flash drive is correctly shown as SuperSpeed, so the port and the controller work at USB 3.
  • Same result on a second PC, also on Windows 11 26H2.
  • Even at USB 2 speed, Link is unusable: black screen at launch, or heavy freezes (the image stays frozen when I turn my head), crashes, and around 15 FPS.

What I already tried

  • Flipping the USB-C connector on the headset side: no change.
  • Cleaning the headset USB-C port (some lint came out, the plug now clicks in firmly): no change.
  • Restarting the headset and the PC several times.
  • Disabling USB selective suspend and all USB power saving options in Windows.
  • Uninstalling the USB 3.2 eXtensible Host Controller driver and rebooting: it worked at USB 3 once, then went back to USB 2.
  • Installing the NVIDIA driver recommended by Meta: still freezing.
  • Testing with the original Quest charging cable (I know it is USB 2 only, so not conclusive).

    4 replies

    steve40
    steve40
    Honored Contributor
    October 8, 2026

    You haven't tried different USB 3 cables, only the stock charging cable. 

      gregark
      New Participant
      October 18, 2026

      Hello, please keep this thread going. Please tell us what happens. I have the same exact symptoms and problems. I’m using a quest 2. My pc is showing superspeed for a flash drive so the port and pc are good. The USB host controller is good. I am using a literally brand new Insignia link cable from Best Buy. My quest 2 headset is in good condition. I have eliminated a lot of the possiblilities at this point. When i plug my headset into the back panel 20 gb/s  type c port that the flash drive successfully negotiated superspeed, i don’t even try to start the meta horizon pc app.  i just look at usb tree view. The headset shows that it’s capable of superspeed but never actually successfully negotiates it. I’m stuck at 2.0  for some reason. It used to work before. A few years ago i upgraded my ;motherboard from msi z690 to msi z790. That is around when it started acting up. but the port works at superspeed with other devices. So we can’t blame the pc usb drivers. it’s more specific. it has something to do with the headset. Not even with the link app. It is not the cable for me. I’ve tried 4 cables. This one still smells like the box it came out of. It’s new. I am not smart enough to figure this out but i feel like i have done 80% of the trouble shooting and narrowed it down significantly. I think somebody smart could finish this for me. I need guidance. I need specific help not general checklists. 

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