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May 13th, 2021 18:00

Bios update - Intel TbT Retimer and Retimer 2 update fails

The recent BIOS and firmware update for my Inspiron 7400 (Inspiron_7300_Inspiron_7400_Inspiron_5301_Vostro_5301_1.7.0.exe) updated the bios and most firmware successully - except for the Intel TbT Retimer and Retimer 2 firmware, which failed as can be seen in the following image.

Re-running the update always results in failure of the Intel TbT Retimer and Retimer 2 firmware.

banjo123_0-1620954118512.png

Perhaps related to this update failure, my Inspiron 7400 has never been able to connect to a second screen via hdmi using the usb-c port, even when using a dell usb-c to hdmi adapter and a dell screen.

13 Posts

November 29th, 2021 00:00

I have the same failure on XPS 9310

1 Message

December 16th, 2021 07:00

Same

4 Posts

January 24th, 2022 06:00

I had the same issue with just the TbT Retimer 2 in a Dell XPS.  Each Thunderbolt (USB-C) port has a Retimer to boost signals.  If anything other than a power adapter is plugged in to one of these ports, it prevents the updating of the Retimer firmware.  A docking station will also prevent the updating.  I had an external screen plugged in which also delivered power, so I removed it and used a power adapter, then I had no more problems.

1 Message

January 24th, 2022 12:00

Seems that the problem is triggered by the additional monitor adapters connected to USB-C ports. Plugged network adapters don't have the same negative impact - Retimer firmware updates successfully

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25.1K Posts

February 4th, 2022 15:00

Hi, 
I'm Prajwal , one of the Supervisors at Dell Social Media Support. 
Dhiman brought this case to my attention.
I see that you have reported issues with the BIOS update.
Unfortunately, we haven't received a response from your end.
We shall archive the case from our end to avoid unnecessary follow ups.
I request you to get back to us at your convenience so that we can further assist you.

You can get back to us with the reference number 133014320 at your convenience, we will be glad to assist you.

Thank you again for your patience and understanding.
Prajwal
Supervisor 
Dell Social Media Team

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