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ASUS ExpertBook B5 B5404 Intel Core Ultra 5 125H Docking Station Not Detected Fix Windows 11

ASUS ExpertBook B5 B5404 — Docking Station Not Detected

Why it happens

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Outdated Intel Thunderbolt or USB4 driver after Windows update

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Dock connected to a USB-C port that does not carry Thunderbolt signal

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Thunderbolt security settings blocking unrecognised dock

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Faulty Thunderbolt cable that only carries USB, not Thunderbolt protocol

ASUS ExpertBook B5 B5404 Thunderbolt USB-C docking station

How to fix

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Update Intel Thunderbolt driver from ASUS Support page for ExpertBook B5 B5404

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Open Intel Thunderbolt software → approve dock connection → set security to “No Security” if needed

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Verify you are using the Thunderbolt 4 USB-C port, not a standard USB-C port

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Replace the Thunderbolt cable with a certified Thunderbolt 4 cable (passive, 40 Gbps rated)

“Approving the dock in the Intel Thunderbolt app fixed the detection issue immediately.” — Siti, George Town

Windows 11 Thunderbolt driver update ASUS laptop
USB-C docking station connection fix Windows 11
About the Author
Ryan holds a Computer Science degree and has spent over 15 years troubleshooting Windows hardware and driver issues across major laptop brands. He writes practical, step-by-step guides for everyday users at softwaredriverdownload.com.

Frequently Asked Questions

Which USB-C port on ASUS ExpertBook B5 B5404 supports docking?

The Thunderbolt 4 port supports full docking with video, data, and power delivery. Not all USB-C ports on the B5404 carry Thunderbolt — check the port icon on the chassis.

Why is my dock not detected after a Windows 11 update?

Windows updates can reset Thunderbolt security settings. Open the Intel Thunderbolt software and set the approval mode to “No Security” or approve the dock manually.

Does Intel Core Ultra 5 125H support Thunderbolt 4?

Yes. The Intel Core Ultra 5 125H (Meteor Lake) has native Thunderbolt 4 support with up to 40 Gbps bandwidth per port.

How do I update the Thunderbolt driver on ASUS ExpertBook B5 B5404?

Visit the ASUS Support page, search for ExpertBook B5 B5404, go to Drivers and Tools, filter by Thunderbolt, and install the latest driver and Intel Thunderbolt software.

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