Hi JoeS,
Thanks for your post in Microsoft Q&A forum. Before moving on, please understand since the computer is new and still under warranty, contact HP's Support and the seller. As OEM HP is responsible for the proper operation of both the hardware and Windows. So regardless of the cause, it is theirs to resolve. And the unit is under full warranty and may be in need of repairs or replacement.
HP Support/Troubleshooting & Drivers
http://www8.hp.com/us/en/drivers.html
Contact HP
http://welcome.hp.com/country/us/en/contact_us....
HP Forums
http://h30434.www3.hp.com/psg/
Also, I found some information that is related to this issue. Just for your reference and hope it helpful.
rtux64w10.sys is Realtek USB FE Family Controller is an ethernet network device, you can check HP for updates.
Realtek USB FE / GBE / 2.5G / Gaming Ethernet Family Controller Software
https://www.realtek.com/en/component/zoo/catego...
Best Regards,
Ian Xue
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