ASUS B550-F ROG LAN issue

Merely curious if anyone else has seen this issue...
An ASUS B550-F ROG Strix Gaming motherboard, when you connect the LAN, there are no activity lights. However, this is when the device is connected directly to the router (ATT Uverse). If I connect the same LAN port to a switch, it works fine. Multiple ports on the router have been tested, along with multiple CAT5e's and CAT6 cables. 

A rather weird one. 

Comments

  • TSTonyV
    TSTonyV ✭✭✭✭✭
    First Anniversary 5 Likes First Comment First Answer
    This is definitely odd. Have you tried any troubleshooting on the router itself like factory resetting it or doing a firmware update? It may also be worth it to clear your CMOS on the motherboard and update the BIOS if that doesn't fix it. 
  • TSTonyV said:
    This is definitely odd. Have you tried any troubleshooting on the router itself like factory resetting it or doing a firmware update? It may also be worth it to clear your CMOS on the motherboard and update the BIOS if that doesn't fix it. 
    I have not done a factory reset or firmware update on the router. But, that is mainly since two other computers, directly connected to the router, work. Again, very odd. 

    However, I did update the BIOS on the ASUS B550-F. ASUS support say to RMA the board. But, obviously doing so, I would be without said computer for a while. Still thinking about next steps. A few choices: 
    1. RMA to ASUS, and wait
    2. Return the board to Micro Centre, and either grab the same model, or a different board all together (bought it on 21st Aug 2020).
    3. Simply purchase a 1GB PCIE NIC card. Don't need it this minute, since I am currently connected to my switch (Linksys). 
    So... 
  • TSTonyV
    TSTonyV ✭✭✭✭✭
    First Anniversary 5 Likes First Comment First Answer
    edited August 2020
    Since you're within the 15 day return period you could definitely return the board if you would like to. If the issue persists with a new board, then you're either A) extremely unlucky or B ) something else is causing this issue. 
  • Update: I just installed a Netgear Nighthawk R7000P, and connected my ASUS B550-F directly to it, and it works. Clearly something on the ATT Uverse router is causing the issue. Flipping weird. 

    Thanks for all the tips! @TSTonyV
  • TSTonyV
    TSTonyV ✭✭✭✭✭
    First Anniversary 5 Likes First Comment First Answer
    Always happy to help! 
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