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HP Recommended
HP EliteBook 855 G8 Notebook PC (2N7N3AV)
Microsoft Windows 11

Hello, this is not a question but a hopefully useful information.

I've already forwarded this to the HP Support.

 

On October 4th 2022, there was a Driver Update via Windows Update of the Realtek USB Driver.

 

Old, working driver has version 10.49.1102.2021, compiled November 2nd 2021.

working old driver 10.49.1102.2021working old driver 10.49.1102.2021

New, buggy driver has version 1153.8.608.2022, compiled June 9th 2022.

buggy new driver 1153.8.608.2022buggy new driver 1153.8.608.2022

If you have LAN and WLAN configured on your machine, in the eventlog are "duplicate machine names".

Windows switches from LAN to WLAN and back, and this results to a very unstable connection.

 

quick workaround:

- unplug the LAN-cable from the Thunderbolt Dock G2 and force the Notebook to go on WLAN (wich is slower, but it is a quick workaround)

 

temporary fix:

- revert to old driver

- prohibit Windows Update to load drivers from the Microsoft Catalog via Registry Patch

 

Registry-Entry is a DWORD32 entry, the key "WindowsUpdate" is new as well:

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate]

"ExcludeWUDriversInQualityUpdate"=dword:00000001

 

As this issue was on two different models (EliteBook 855G8 and EliteBook x360 830 G8) and around the same time, my first tought was a buggy Gigabit-Switch.

But it is definitively a driver issue.

 

Regards,

 

Josip.

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.