Dell Thunderbolt Dock WD22TB4 User Guide Regulatory Model: K20A Regulatory Type: K20A001 January 2022 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Introduction................................................................................................................. 4 Chapter 2: What's in the box......................................................................................................... 5 Chapter 3: Hardware requirements................................................................................................6 Chapter 4: Views of Dell Thunderbolt Dock - WD22TB4...............................................
1 Introduction The Dell Thunderbolt Dock - WD22TB4 is a device that links all your electronic devices to your system using a Thunderbolt 4 (Type-C) cable interface. Connecting the system to the docking station allows you to easily connect multiple peripherals (mouse, keyboard, stereo speakers, external hard-drives, and high-resolution displays) without having to plug each one into the system.
2 What's in the box Your docking station ships with the components shown below: 1. Docking station 2. Power adapter and power cord 3. Documentation (Quick Start Guide, Safety, Environmental, and Regulatory Information NOTE: Contact Dell support if any of the listed items are missing from your box.
3 Hardware requirements Before using the docking station, ensure that your system has a USB Type-C with DisplayPort Alt Mode (supported) or Thunderbolt port (recommended) over USB Type-C that is designed to support the docking station.
4 Views of Dell Thunderbolt Dock - WD22TB4 Topics: • • • • • Top Front Right Back Bottom Top 1. Sleep/Wake up/Power button NOTE: The dock button is designed to replicate your system's power button. If you connect the Dell Thunderbolt Dock WD22TB4 to supported Dell computers, the dock button works like your computer's power button and you can use it to power on/sleep/force shutdown the computer. NOTE: The dock button is only operational when connected to supported Dell computers. Front 1. USB 3.
Back 1. 2. 3. 4. 5. 6. 7. DisplayPort 1.4 ports HDMI 2.0 port USB 3.2 Gen 2 Type-C port with DisplayPort 1.4 Alt Mode USB 3.2 Gen 1 ports Network connector (RJ-45) Power connector Thunderbolt 4 ports Bottom 1.
5 Important Information Updating drivers on your system It is recommended to update the following drivers on your system before using the docking station: 1. System BIOS 2. Graphics driver 3. Thunderbolt driver and Thunderbolt firmware 4. Ethernet driver CAUTION: Older BIOS versions and drivers could result in the docking station not being recognized by your system or not functioning optimally. For Dell systems, you can visit www.dell.
6 Setting up your docking station Steps 1. Update your system's BIOS, graphics, thunderbolt and network drivers from www.dell.com/support/drivers. NOTE: Thunderbolt driver updates are only for systems that are natively configured with Thunderbolt hardware and is not applicable for Non-thunderbolt systems. CAUTION: Ensure that the system is connected to a power source while installing the BIOS and drivers. 2. Connect the AC adapter to a power outlet. Then, connect the AC adapter to the 7.
The above table shows the different video port combinations available to connect multiple displays to the Dell WD22TB4 dock. For more details on supported display resolutions, please see Display Resolution.
7 Setup of External Monitors Topics: • • • Configuring your Monitors Display bandwidth Display Resolution Table Configuring your Monitors If connecting two displays, follow these steps: Steps 1. Click the Start button, and then select Settings. 2. Click System and select Display.
3. Under the Multiplay displays section, modify the display configuration as needed. NOTE: The display topology can be configured, by moving around the displays in the "Select and rearrange displays" section, to change where the operating system assumes these monitors are located. Display bandwidth External monitors require a certain amount of bandwidth to work properly. Monitors with higher resolution require more bandwidth. ● DisplayPort High Bit Rate 2 (HBR2) is 5.4 Gbps maximum link rate per lane.
Display Resolution Table WD22TB4 for Non-Thunderbolt systems Table 2. WD22TB4 for Non-Thunderbolt systems Display Port Available Bandwidth Single Display (maximum resolution) Dual Display (maximum resolution) Triple Display (maximum Quad Display (maximum resolution) resolution) HBR2 (HBR2 x2 lanes - 8.6 Gbps) DP 1.4/HDMI 2.0/ MFDP Type-C/TBT Type-C: 4K (3840 x 2160) @30 Hz ● DP 1.4 + DP 1.4: FHD (1920 x 1080) @60 Hz ● DP 1.4 + HDMI 2.0: FHD (1920 x 1080) @60 Hz ● DP 1.
Table 3. WD22TB4 for Thunderbolt systems (continued) Display Port Available Bandwidth Single Display (maximum resolution) Dual Display (maximum resolution) Type-C TB: 4K (3840 ● DP 1.4 + HDMI 2.0: QHD (2560 x x 2160) @60 Hz 1440) @60 Hz ● DP 1.4 + MFDP Type-C: QHD (2560 x 1440) @60 Hz ● DP 1.4 + TBT Type-C: 4K (3840 x 2160) @60 Hz ● HDMI 2.
Table 3. WD22TB4 for Thunderbolt systems (continued) Display Port Available Bandwidth Single Display (maximum resolution) Dual Display (maximum resolution) Triple Display (maximum Quad Display (maximum resolution) resolution) ● DP 1.4 + MFDP ○ 3 x 4K (3840 x Type-C: 4K (3840 2160) @60 Hz x 2160) @60 Hz ● DP 1.4 + DP 1.4 + TBT Type-C: ● DP 1.4 + TBT Type-C: ○ 2 x 4K (3840 x ○ 1 x 4K (3840 x 2160) @60 Hz 2160) @60 Hz ○ 1 x QHD (2560 x ○ 1 x QHD 1440) @60 Hz (2560 x 1440) ● DP 1.
8 Replacing the USB Type-C cable module Prerequisites The Dell Thunderbolt Dock - WD22TB4 ships with a serviceable cable module. The USB Type-C cable module on the docking station can be removed and replaced by following these steps: Steps 1. Turn over the docking station.
2. Remove the two (M2.5 x 5) screws from the bottom plate of the docking station.
3. Using a plastic scribe, gently pull the cable module away from the docking station.
4. Gently wiggle and remove the USB Type-C cable module from its connector on the docking station. 5. Take the replacement cable module out of its packaging. 6. Align and place the cable module on to the docking station. 7. Slide and push the cable module to connect the cable module to the connectors on the docking station. 8. Replace the two (M2.5 x 5) screws to the bottom plate of the docking station.
9. Turn the docking station over. Topics: • Upgrading your WD19 docks Upgrading your WD19 docks The following topics describes the process to upgrade the WD19 series docking stations. Upgrade the cable module to Thunderbolt 4 The following docking stations are compatible with Thunderbolt 4 cable module as on the Dell Thunderbolt Dock - WD22TB4: 1. Dell Dock - WD19 2. Dell Dock - WD19S 3. Dell Thunderbolt Dock - WD19TB 4. Dell Thunderbolt Dock - WD19TBS 5. Dell Performance Dock - WD19DC 6.
Table 5. Firmware update requirements when upgrading to the WD22TB4 cable module Original dock New module Firmware update before upgrading cable module Firmware update after upgrading cable module 1. Dell Dock - WD19 2. Dell Dock - WD19S 3. Dell Thunderbolt Dock WD19TB 4. Dell Thunderbolt Dock WD19TBS 5. Dell Performance Dock WD19DC 6.
9 Technical specifications Topics: • • • • • • Product specifications Power adapter specifications Port disablement LED Status Indicators Dell ExpressCharge and ExpressCharge Boost overview Docking specifications Product specifications Table 6. Product specifications Feature Specifications Model WD22TB4 Video ports ● ● ● ● External displays supported Up to 4 USB Type-A ports ● 2 x USB 3.2 Gen1 ● 1 x USB 3.2 Gen1 with PowerShare USB Type-C ports ● 1 x USB 3.
Table 6. Product specifications (continued) Feature Specifications DC-in Port 7.4 mm Cable 0.8 m for WD22TB4 Power delivery ● 130 W to Dell systems with 180 W AC-adapter ● 90 W to Non-Dell system with 180 W AC-adapter System requirements Compatible with USB Type-C Thunderbolt systems and USB Type-C systems with DisplayPort Alt Mode Power button function Sleep/Wakeup/Power button NOTE: On compatible Dell systems, the power button mimics the host power button behavior.
Port disablement Port Disablement is a system feature that enables user to selectively disable DisplayPort or Thunderbolt protocols over USB Type-C ports. ● The feature is offered through BIOS and requires user to boot to BIOS Setup Menu to activate/deactivate the feature. ● Port Disablement is handled at low level and cannot be deactivated by operating system. ● The Port Disablement is extended to Dell Docks by importing system configuration and applying the settings locally.
Table 9.
Legacy Thunderbolt systems Legacy systems offer one extra option that was rarely used but made configuration very complex: 1. Enable/Disable Thunderbolt to activate Thunderbolt Controller and enable Thunderbolt protocol over USB Type-C port. 2. Enable/Disable External USB Port to enable USB protocol over USB Type-A and Type-C ports. 3.
Docking Status Indicator Table 12. Docking Station LED Indicators State LED Behavior Docking station is receiving power from power adapter Flash three times Table 13. Cable LED Indicators State LED Behavior USB Type-C host supports video + data + power On USB Type-C host does not support video + data + power Off (will not illuminate) Table 14.
Table 16. Operating and storage environment (continued) Description Operating Storage CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.
10 Dell docking station firmware update Standalone Dock Firmware Update utility NOTE: Information that is provided is for Windows users running the executable tool. For other operating systems or further detailed instructions see the WD22TB4 admin guide available on www.dell.com/support. Download the Dell WD22TB4 dock driver and firmware update from www.dell.com/support. Connect the dock to the system and start the tool in administrative mode. 1.
3. Wait for all the component firmware update to complete. A progress bar is displayed in the bottom. 4. The update status is displayed above the payload information. Table 17. Command-Line Options Command lines Function /? or /h Usage. /s Silent. /l= Log file. /verflashexe Display utility version. /componentsvers Display current version of all dock firmware components.
● Dock asset management locally and remotely through DCM (Dell Command | Monitor) and SCCM (System Center Configuration Manager).
11 Frequently asked questions 1. Fans not working, abnormal, or loud fan noise, overheating: Fans that continue to spin quickly and make abnormally loud noises might indicate a problem. Common causes for fans not working, abnormal, or loud fan noise, overheating: 2. 3. 4. 5. 6. 7.
12 Troubleshooting the Dell Thunderbolt Dock WD22TB4 Topics: • Symptoms and solutions Symptoms and solutions Table 18. Symptoms and solutions Symptoms Suggested solutions 1. No video on the monitors attached to the High Definition Multimedia Interface (HDMI), or DisplayPort (DP) port on the docking station. ● Ensure that the latest BIOS and drivers for your computer and the docking station are installed on your computer. ● Make sure your computer is connected to the docking station securely.
Table 18. Symptoms and solutions (continued) Symptoms Suggested solutions ● First power off the docking station by disconnecting the Type-C cable and then removing the power adapter from the dock. Then, power on the docking station by connecting power adapter to the dock before connecting the Type-C cable to your computer. ● Undock and reboot the system if, the above steps do not work. 3. The video on the attached monitor is not displaying as an Extended Monitor.
Table 18. Symptoms and solutions (continued) Symptoms Suggested solutions 8. USB port has no function in a pre-OS environment. ● Check the BIOS > Integrated Devices for USB/ Thunderbolt Configuration options, and make sure the following options are checked: ● 1. Enable USB Boot Support ● 2. Enable External USB Port ● 3. Enable Thunderbolt Boot Support 9. PXE boot on dock does not function. ● Check the BIOS > System Management for integrated NIC options, and select Enabled w/PXE.
Table 18. Symptoms and solutions (continued) Symptoms Suggested solutions 18. When WD22TB4 dock has no power. ● Disconnect USB Type-C from the system and the WD22TB4 power adapter. ● Re-plug the WD22TB4 AC adapter. ● WD22TB4 dock LED blinks 3 times. 19. When WD22TB4 dock is not working even when BIOS, firmware and drivers are up to date. Check BIOS/Firmware/Driver is updated. If Yes: ● Restart the dock. If Yes: ● Re-plug the docking AC adapter ● Restart the dock.
13 Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 19. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app Tips Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.
