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USB devices may not function when connected via Thunderbolt 3 docks - ThinkPad

USB devices may not function when connected via Thunderbolt 3 docks - ThinkPad

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USB devices may not function when connected via Thunderbolt 3 docks - ThinkPad

Symptom

USB devices connected to Thunderbolt 3 docking stations may not function with ThinkPad models before and after login to Windows 10.

  • ThinkPad BIOS Password / Bitlocker PIN code cannot be entered from USB keyboard connected via Thunderbolt (TM) 3 docks.
  • USB devices connected via Thunderbolt 3 docks or Thunderbolt 3 dockins may be missing from Device Manager when booting to Windows 10.

Applicable Brands

ThinkPad

Applicable Systems

Thunderbolt 3 docks

ThinkPad models released 2019 and later

  • ThinkPad P1 Gen2, P14s Gen1, P15s Gen1, P43s, P53, P53s, P73
  • ThinkPad T14 Gen1, T14s Gen1, T15 Gen1, T15s Gen1, T490, T490s, T590,
  • ThinkPad X390, X390 Yoga,
  • ThinkPad X1 Carbon 7th Gen, X1 Carbon 8th Gen, X1 Extreme 2nd Gen, X1 Yoga 4th Gen, X1 Yoga 5th Gen

ThinkPad models released 2017 and 2018

  • ThinkPad P1, P51, P51s, P52, P52s, P71, P72
  • ThinkPad T470, T470s, T480, T480s, T570, T580
  • ThinkPad X280, X380 Yoga
  • ThinkPad X1 Carbon 5th Gen, X1 Carbon 6th Gen, X1 Extreme 1st Gen, X1 Yoga 2nd Gen, X1 Yoga 3rd Gen
  • ThinkPad Yoga 370

System Is Configured With

Thunderbolt (TM) 3

Operating Systems

Windows 10

Solution

Use the following steps to customize ThinkPad setup settings.

ThinkPad models released 2019 and later

  1. Reboot the system.
  2. Press the F1 key when the Lenovo logo is displayed to enter the ThinkPad setup.
  3. Go to the Security page and enter Virtualization. Set the Kernal DMA Protection to On.
    BIOS example
  4. Press the F10 key to save and exit ThinkPad setup.

In case users do not want to use the Kernel DMA Protection feature, use the following information for ThinkPad models released 2017 and 2018.

ThinkPad models released 2017 and 2018

  1. Reboot the system.
  2. Press the F1 key when the Lenovo logo is displayed to enter the ThinkPad setup.
  3. Go to the Config page and enter Thunderbolt (TM) 3.
  4. Set Security Level to User Authorization.
  5. Set Support in Pre Boot Environment to Pre-Boot ACL.
  6. Press the F10 key to save and exit ThinkPad setup.
Document ID:HT510635
Original Publish Date:06/16/2020
Last Modified Date:12/05/2024
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