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gigabit ethernet acting like it's 2005 on my gaming desktop

Solvedethernetlanlink-speedrealtek5 replies · 380 views · started
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Accepted solution by Eamon Demir — Check the adapter settings: Device Manager Network adapters Ethernet Properties Advanced . Find Speed & Duplex and make sure it's Auto…
  1. Anika Haddad
    @anika.haddad20

    long time lurker first post lol my Ethernet is capped at 100 Mbps and Im losing my mind.

    USB Audio Device Properties

    USB Audio Device Properties
Device status:
This device cannot start. (Code 10)

{Operation Failed}
The requested operation was unsuccessful.

    The gaming desktop is plugged into a local NAS setup. The adapter details say 100 Mbps full duplex. My laptop on the same cable and port negotiates gigabit just fine, so the switch port seems okay. The only change on the gaming desktop was teh PCIe FE GBE Family Controller Series Driver update from Realtek. What settings should i look at?

    6
  2. Zora Gill
    @zgill

    been there man also on teh Advanced tab, look for Energy Efficient Ethernet, Green Ethernet or Advanced EEE and disable them as a test... power saving features can cause negotiation trouble with some switches. good luck man!

    1 0 helpful
  3. Eamon Demir
    @eamond592
    in reply to @zgill Accepted solution

    Check the adapter settings: Device Manager > Network adapters > Ethernet > Properties > Advanced. Find Speed & Duplex and make sure it's Auto Negotiation lol Updates sometimes reset or change this. Don't force 1000 full unless auto fails.

    13 2 helpful
  4. Silas Koch
    @silask543

    ok so lol this thread is gold thx in advance!!

    10 0 helpful
  6. Anika Haddad
    @anika.haddad20
    in reply to @eamond592

    @eamond592 Speed & Duplex was stuck at 100 Mbps after the update. Set it back to Auto, now it negotiates 1 Gbps and speed tests match a local NAS.

    1 0 helpful

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