topic Re: TB 4 controller failure in Thunderbolt™ Share

TB 4 controller failure

General_Internet — Tue, 03 Jun 2025 19:43:16 GMT

Hello

I have problem with thunderbolt 4 controller

I have purchased TB4 (USB4 SSD enclosure and connected it but after 5 seconds it disconnects and shows USB4 may be limited..

And then windows shuts controller and it hangs and I have to then restart laptop to get it restored again but connected again and same story..

Any idea what it could be ?

Re: TB 4 controller failure

RandyT_Intel — Wed, 04 Jun 2025 03:55:57 GMT

Hi @General_Internet,

Thank you for posting here in community. I would like to further investigate the issue your experiencing. Before we proceed, please note that this is an OEM device, so we will try to assist you with general troubleshooting steps. However, if the issue persists, you will have to contact the Original Equipment Manufacturer of your device. Your device manufacturer may have altered features, incorporated customizations, or made other changes to some components for better compatibility with your system.

The fact that the device disconnects after a few seconds and displays a "USB4 may be limited" message suggests there might be compatibility or power delivery issues. Additionally, the controller hanging and requiring a laptop restart indicates a potential driver or hardware conflict.

To effectively diagnose and address the issue you're experiencing, I kindly ask you to provide detailed responses to the following questions.

Please provide the SSU log report and share it here so I can review your system's configuration.
Have you made any software or hardware changes to the system recently?
What troubleshooting steps have you tried so far apart from restarting the laptop?
Are your TB controller and drivers and firmware up to date?
Do other Thunderbolt or USB4 devices work fine on the same port?
Have you tried using a different Thunderbolt 4 port on your laptop?
Have you tried contacting your system manufacturer regarding this issue?

Error Code 43 can occur due to **hardware problems** or **driver or settings corruption**. It is typically resolved by performing a **clean installation** of the correct **Driver** for your system. Screenshot shows there's a problem with the PCIe, I highly advise to contact the motherboard manufacturer and obtain the appropriate driver for your system.

Check this article:

FAQ About Thunderbolt™ Share

Thunderbolt™ Share - Licensed Configurations & Hardware Requirements

Once I have these details we can try to coordinate internally for any alternative solutions.

Looking forward to your response.

Regards,

Randy T.

Intel Customer Support Technician

Re: TB 4 controller failure

General_Internet — Wed, 04 Jun 2025 04:55:49 GMT

It works on Lenovo Yoga Slim 7 without any issues..

well you intel u supposed to have drivers right u write them what this has to do with ''oem'' ? they uisng your sht u designed right ?

I have IIISi Z16 where it fails : https://www.msi.com/Content-Creation/Creator-Z16-Hiroshi-Fujiwara-A11UX/support

and I have Lenovo Yoga Slim 7 where it works flawlessly : https://www.lenovo.com/gb/en/p/laptops/yoga/yoga-slim-series/yoga-slim-7-14iil05/88ygs701396

1. ssu log provided

2. I change this constantly that has nothing to do with it ...

3. Pretty much all

4. Where do I find latest drivers for intel TB4 or firmware ?

5. I don't have thunderbolt 4 other devices only this new SSD enclosure on other side am using usb-c for monitor

6. Yeah same story windows will stopp the controller..

7. They will not help as laptop is from 2021

Re:TB 4 controller failure

RandyT_Intel — Thu, 05 Jun 2025 02:43:58 GMT

Hi @General_Internet,

Intel no longer supports Thunderbolt for OEMs. However, Intel does support Thunderbolt on Intel® NUC products. You can obtain drivers and firmware updates directly from your system manufacturer that might help fixed the issue with the error message. Please check this article for more information: Support Options for Thunderbolt™

Regards,

Randy T.

Intel Customer Support Technician

Re: Re:TB 4 controller failure

xPeterx — Wed, 22 Oct 2025 17:50:23 GMT

Hiya

I have downloaded drivers from Msi website but it doesn't work ... What is the reason when I connect device and it disconnects after 5 seconds ?

Re: TB 4 controller failure

xPeterx — Wed, 22 Oct 2025 18:57:42 GMT

Device PCI\VEN_8086&DEV_9A1F&SUBSYS_11112222&REV_05\3&11583659&0&6A requires further installation.

Re: TB 4 controller failure

xPeterx — Thu, 23 Oct 2025 16:08:11 GMT

Hello

I can't believe it

I had new intel ME update tool on my laptop Msi support page I donloaded it and updated ... and Strangely the TB4 (USB4) enclosure no longer disconnects 🥳Am so happy

am not sure if the me update solved this but probably... now I can copy 2GB/s