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11 Posts

08-15-2019

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T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-08-15, 15:53 PM

Lenovo Vantage updated the T480s BIOS on 8/9. I immediately started getting a Thunderbolt error when starting Windows 10 64, which says to update the Thunderbolt firmware. I downloaded the current firmware from Lenovo (n22th06w) but I get the following error when trying to update: 0x20D SDK_INVALID_OPERATION_IN_SAFE_MODE

 

What's the solution, Lenovo?

 

Thanks.

 

 

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11 Posts

08-15-2019

United States of America

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-10-18, 17:57 PM

Update: the motherboard and CPU were replaced under warranty to fix the problem.

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11 Posts

08-14-2019

Germany

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-08-16, 16:20 PM

Pess the reset button on the back.

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11 Posts

08-15-2019

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-08-16, 18:48 PM

No luck after the reset. Do I need to downgrade the BIOS? Find a copy of the older Thunderbolt driver?

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11 Posts

08-14-2019

Germany

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-08-16, 19:01 PM

Downgrade will never work is blocked, security reasons.

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11 Posts

08-15-2019

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-08-16, 19:35 PM

Is this failing hardware? Can you get the controller out of safe mode?

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11 Posts

08-14-2019

Germany

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-08-16, 19:46 PM

On my computer the reset button was working, I was able to get out from the safe mode.

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11 Posts

08-15-2019

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-08-16, 21:12 PM

I tried resetting a few more times, no luck. For a while the controller disappeared until I reset it again with different BIOS settings for Thunderbolt BIOS assist mode. Once it's back, it's still stuck in safe mode.

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18 Posts

03-28-2016

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-09-12, 17:52 PM

I have the same problem.

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11 Posts

08-15-2019

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-09-26, 5:22 AM

1.34 BIOS update today, no change. So, is there a proper way to contact support for a warranty ticket? Because the new "managedtechnicalsupportaccess" site is not working. I'm really shocked at the lack of support. I also was thinking of extending my warranty, but now that it's close to ending, the option to extend to 4 years is gone, only one year for way too much. Well, this looks like my last Lenovo!

 

Cheers.

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11 Posts

08-15-2019

United States of America

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Re: T480s Thunderbolt firmware update error after 1.33 BIOS update

2019-10-18, 17:57 PM

Update: the motherboard and CPU were replaced under warranty to fix the problem.

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