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Is it the cable, the switch, or the Gigabyte LAN driver?

Solvedethernetgigabytelanlink-speed11 replies · 324 views · started
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Accepted solution by Liv Mendes — yeahhh if the laptop gets ggiabit on the same cable and port, roll back the LAN driver in Device Manager Properties Driver Roll Back…
  1. Chen
    @chen.rahman

    guys pls help i pay for gigabit fiber and my home server is wired, but speed tests top out at roughly 95 Mbps 👍 Windows says the link speed is 100/100 Mbps. Thats suspicious, cuz before the Gigabyte P2542G WLAN Driver 15.1.1.1 update it showed 1000 and i was getting full speed. Heres what the adapter status looks like:

    USB Audio Device Properties

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

{Operation Failed}
The requested operation was unsuccessful.

    i haven't touched the cable or the router. Can a drievr update realy change teh negotiated speed, or is it a coincidence and something physical is going on? seriously need help here 😭

    0
  2. Paula W.
    @tensor_forge

    Also on the Advanced tab, look for Energy Efficient Ethernet, Green Ethernet or Advanced EEE and disable them as a test :D Power saving features can cause negotiation trouble with some switches.

    0 1 helpful
  3. Joon
    @jdemir
    in reply to @tensor_forge

    ahh classic check teh adapter settings: Device Manager > Network adapters > Ethernet > Properties > Advanced, find Speed & Duplex and make suree its Auto Negotiation. updates sometimes reset or chnage this... dont force 1000 full unless auto fails.

    14 0 helpful
  4. Ada Eriksen
    @ada_polar

    lol same thing happened to me for me it was teh fan curve... swapped it and boom, fixed, came here to say exactly this

    14 0 helpful
  5. Paula W.
    @tensor_forge

    make a backup before u touch the firmware, learned that the hard way

    0 0 helpful
  6. Joon
    @jdemir

    lol same thing happened to me check for a hidden power issue: under Power Management tab, untick Allow teh computer to turn off this device and see if negotiation behaves after reboot. good luck man!

    0 14 helpful
  7. Liv Mendes
    @buffergarage
    Accepted solution

    yeahhh if the laptop gets ggiabit on the same cable and port, roll back the LAN driver in Device Manager > Properties > Driver > Roll Back Driver, or install teh motherboard makers version from their support page. good luck man!

    0 5 helpful
  8. Liv Mendes
    @buffergarage

    spent 20 minutes on gigabyte and im still not done

    1 0 helpful
  10. Ada Eriksen
    @ada_polar

    for me it was teh default config. swapped it and boom, fixed fingers crossed 🤞

    0 1 helpful
  11. Liv Mendes
    @buffergarage

    same issue here on my mac... glad im not teh only one lmk how it goes

    2 0 helpful
  12. Chen
    @chen.rahman
    in reply to @buffergarage

    @buffergarage disabled Energy Efficient Ethernet and rolled back the driver... gigabit is back on the home server. cant believe it was that simple lol

    0 2 helpful

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