Windows 10: Solved Slow download speed limitation on Realtek PCIe GbE Family Controller

Discus and support Solved Slow download speed limitation on Realtek PCIe GbE Family Controller in Windows 10 Network and Sharing to solve the problem; After upgrading Internet Service speed from 50/10Mbs to 150/20Mbs Dell computer with Windows 10 Home 64-bit would not show speed test result higher... Discussion in 'Windows 10 Network and Sharing' started by IgorBas13, Mar 20, 2019.

  1. IGORBAS13
    IgorBas13 Win User

    Solved Slow download speed limitation on Realtek PCIe GbE Family Controller


    After upgrading Internet Service speed from 50/10Mbs to 150/20Mbs Dell computer with Windows 10 Home 64-bit would not show speed test result higher than 60Mb download speed.

    Tried different Cat-6 cable, different router ports and everything else possible. Problem persisted.


    What fixed this problem:

    Restarted computer in Safe Mode with Networking and noticed that speed test jumped to 177Mbs/24Mbs

    Go to Services and disable 'SmartByte Network Service'

    That solved the problem.


    Next step is to find out how critical this service is in Windows 10 and what it's functions are.

    Why it slows the speed of downloads 3 folds?

    :)
     
    IgorBas13, Mar 20, 2019
    #1
  2. PAPASLOTH
    PapaSloth Win User

    Realtek PCIe GBE Family controller very slow upload speed problem

    This worked for me:

    • Open Device Manager
    • Open Network adapters
    • Right-click on Realtek PCIe GBE Family Controller, select Properties
    • Click on Advanced tab.
    • Disable everything except for Flow Control
    • Click OK
    After doing that, my upload speed increased from 0.3MB/S to 3.60MB/S on internet speed test.
     
    PapaSloth, Mar 20, 2019
    #2
  3. JF BRETON
    jf breton Win User
    Realtek PCIe GBE Family controller very slow upload speed problem

    Since few days I had a slow internet problem. After diagnostic I find that the problem was the upload speed for my Realtek PCIe GBE Family controller upload problem. Speed Test give me 16ms ping, 32 mb/s download speed and 0.00 mb/s speed. I test my modem
    and router with another computer and I have 10 mb/s upload speed on the other computer.

    I've upgrade the driver to the last version from realtek site (to version 10.3.723.2015) but it didn't solve the problem.

    My computer is a HP H8 1020

    Thank you for help
     
    jf breton, Mar 20, 2019
    #3
  4. PAPAECHOUK
    PapaEchoUK Win User

    Solved Slow download speed limitation on Realtek PCIe GbE Family Controller

    PapaEchoUK, Mar 20, 2019
    #4
Thema:

Solved Slow download speed limitation on Realtek PCIe GbE Family Controller

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