[Bug 1859308] Re: software-properties-gtk erroneously reports that certain Intel wireless adapter cards are not working

Correction: I have the same display issue, but WiFi IS working on Dell Precision 5520, Unbuntu 20.04. My apologies, there was an unrelated DHCP issue, but this display problem got me going down the wrong path to fix it. -- You received this bug notification because you are a member of Ubuntu

[Bug 1859308] Re: software-properties-gtk erroneously reports that certain Intel wireless adapter cards are not working

I'm having the same problem, except my wifi connects, but gives me no internet. Dell Precision 5520, Unbuntu 20.04. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859308 Title:

[Bug 1667750] Re: xhci_hcd: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13

I had similar issues with checksum errors on Precision 5520. Updating to the recently released BIOS version 1.4 has resolved those issues. Finally, all is well with Ubuntu, TB16, and Precision 5520. Thanks all. -- You received this bug notification because you are a member of Ubuntu Bugs, which