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Dell Precision Dual USB-C Thunderbolt Dock - TB18DC image

Dell Precision Dual USB-C Thunderbolt Dock - TB18DC

Dell Precision Dual USB-C Thunderbolt Dock - TB18DC

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Check Dell docking station compatibility, install the right drivers, and troubleshoot common issues. For complete setup instructions, visit our Dell Docking Station Setup Guide.
Updated:  July 29, 2026 ID: 000126484

This article provides information about different types of Dell docking stations. Find information about how to find a compatible docking station for your Dell laptop.
Updated:  July 06, 2026 ID: 000124295

This article explains the procedure to open a Service Request (SR) using the Dell support page. Get help fast for your Dell device. No more waiting on hold. No more tech headaches. Dell makes it simple to fix problems, schedule repairs, or get support—right from your device or our support website.
Updated:  August 03, 2026 ID: 000132371

This article provides information about how to resolve a Power On Self-Test (POST) warning message during startup: Multiple docking stations are not simultaneously supported.
Updated:  July 16, 2026 ID: 000128984

Discover how to quickly locate the 20-digit Dell PPID (Part Piece Identification) number on any Dell component. Complete walkthrough for batteries, adapters, monitors, docking stations, keyboards, mice, and motherboards with both physical and digital methods.
Updated:  July 07, 2026 ID: 000125347

Learn more about resolving a 4K video issue on Dell Precision Mobile laptops. This only occurs on laptops that shipped with the Intel Xeon Central Processing Unit (CPU). They are connected through a Dell Thunderbolt docking station.
Updated:  June 23, 2026 ID: 000181388

Learn about USB port types, connector shapes, USB versions and speeds, Dell monitor USB ports, PowerShare, and how to troubleshoot USB ports not working on your Dell device.
Updated:  June 22, 2026 ID: 000129226

Learn installation and troubleshooting processes for Dell USB Type-C and Thunderbolt docking stations WD15, TB16, TB18DC, and the Dell Universal Dock D6000.
Updated:  May 26, 2026 ID: 000124220

Learn about the failure occurs with the Realtek USB GBE Ethernet Controller Driver when setting a Virtual Local Area Network (VLAN) tag for the network.
Updated:  May 22, 2026 ID: 000263770

Check your warranty status, renewing your warranty, transferring ownership, international warranty support, expired warranty support or register your Dell product.
Updated:  May 14, 2026 ID: 000132024

The following article supplies information about Cyberlink PowerDVD errors when playing HDCP movies on an external monitor through DisplayPort on a Dell docking station.
Updated:  May 14, 2026 ID: 000199314

The following article provides information about the proper way to insert and remove the USB Type-C connector on Dell laptops and devices. (For example: Docking Stations and Monitors.)
Updated:  May 13, 2026 ID: 000198334

This article covers how to download and install CyberLink PowerDirector and PhotoDirector through Dell Optimizer or Dell Purchased Apps.
Updated:  May 09, 2026 ID: 000185038

You can secure your Dell desktop, laptop, docking stations or monitors with a cable, using the security slot.
Updated:  May 07, 2026 ID: 000179489

system may experience issues such as a Blue Screen Error or the external graphics processor (eGPU) may not be detected and other issues after the system is woken up with a eGPU attached.
Updated:  May 03, 2026 ID: 000149051

Learn how to roll back a device driver to a previous version on Dell computers running Windows. Restore stability by following these simple steps to resolve driver conflicts or issues after an update.
Updated:  May 03, 2026 ID: 000148845

How to get a USB-C or Thunderbolt docking station to work with a computer using Group Policy.
Updated:  May 02, 2026 ID: 000146415

Thunderbolt device no detect when the system is running in DC mode with battery capacity in low.
Updated:  May 02, 2026 ID: 000144507

This article provides steps to better install the TB16 or TB18DC docking stations.
Updated:  May 01, 2026 ID: 000143825

Learn about DisplayPort over USB Type-C, also called USB-C, and its advantages. Find information about how to identify if the USB Type-C port on your personal computer supports DisplayPort technology.
Updated:  May 01, 2026 ID: 000141328

The following article provides information about the correct way to troubleshoot a Dell AC adapter if the status light is off or flickering. Dell AC adapters come with a status Light Emitting Diode (LED) on the adapter or a ring of them around the connector to the device.
Updated:  May 01, 2026 ID: 000140032

The following article provides information about the best practices that are required when updating the firmware on a Dell Type-C Wired Docking station.
Updated:  April 30, 2026 ID: 000137390

The following article provides information about why certain docking stations cannot be powered using a Type-C power adapter connected to the Type-C port of the dock.
Updated:  April 29, 2026 ID: 000134396

This article provides information about an "Undersized Power Adapter" alert with TB16, TB18DC, WD15, WD19, or WD19S docking stations.
Updated:  April 29, 2026 ID: 000134196

Learn about USB Type-C: faster data transfer, power delivery, and video support. Compare with other USB types, find adapters, and get answers to FAQs on compatibility and device usage.
Updated:  April 28, 2026 ID: 000141238

This article provides information about how to download Dell drivers from the Dell.com/support website for your Dell computer.
Updated:  April 19, 2026 ID: 000132380

The following article is a guide on how to check the current firmware version on a Dell wired USB-C or Thunderbolt dock.
Updated:  April 19, 2026 ID: 000129828

Learn how to report a lost or stolen Dell laptop or desktop, including necessary details. Follow our guide for timely action and how to contact Dell Support.
Updated:  April 19, 2026 ID: 000129627

This article explains what to do if Windows BitLocker asks for a recovery key upon booting up your USB type-C or Thunderbolt 3 computer while using a docking station.
Updated:  April 19, 2026 ID: 000128275

This article provides information about changes to the display of USB and Thunderbolt settings on newer BIOS versions.
Updated:  April 19, 2026 ID: 000126580

Learn about the different types of Dell docking stations and the supported docks available to use with a Dell laptop.
Updated:  April 19, 2026 ID: 000125885

Information about which Dell branded docking stations that support Windows 10.
Updated:  April 19, 2026 ID: 000125532

Learn how to find and check your laptop or tablet model with our guide. Identifying the product allows you to get model-specific support such as drivers, manuals, and specifications.
Updated:  April 19, 2026 ID: 000124353

Learn about Dell Business Dock WD15, Dell Thunderbolt Dock TB16, and Dell Precision Dual USB-C Thunderbolt Dock TB18DC Legacy Support.
Updated:  April 19, 2026 ID: 000124006

This article provides information about how to return service parts to Dell in the United States Region only.
Updated:  April 07, 2026 ID: 000178919

Follow the steps below to use your mobile device to scan the Service Tag QR code or Barcode on your Dell device. The Service Tag is the best way to access specific information about your Dell device.
Updated:  March 19, 2026 ID: 000130977

This article provides quick answers to common questions about Dell drivers. For detailed guides, we have dedicated pages to help you with specific driver tasks.
Updated:  February 06, 2026 ID: 000123347

This article provides information about how to download and install or update Dell drivers for your Dell desktop, laptop, all-in-one, workstation, printer, monitor, tablets, and so on.
Updated:  January 27, 2026 ID: 000183911

Learn how to subscribe to email alerts for Dell driver updates. Get notified when new drivers are available for your Dell computer. Easy setup and management.
Updated:  January 27, 2026 ID: 000139419

This document provides additional Q&A in support of DSA-2021-088
Updated:  November 05, 2025 ID: 000186020