Windows 10: TP-Link WDN4800 is abnormally slow, even after driver updates

Discus and support TP-Link WDN4800 is abnormally slow, even after driver updates in Windows 10 Network and Sharing to solve the problem; I recently purchased the TP-Link TL-WDN4800 PCIe wireless adapter only to discover it was delivering speeds well below what my network is capable of. I... Discussion in 'Windows 10 Network and Sharing' started by theStyg, Feb 22, 2016.

  1. THESTYG
    theStyg Win User

    TP-Link WDN4800 is abnormally slow, even after driver updates


    I recently purchased the TP-Link TL-WDN4800 PCIe wireless adapter only to discover it was delivering speeds well below what my network is capable of. I own a Macbook Pro which reports around 90-100Mbps on my 5Ghz downloads, meanwhile this adapter is only allowing for 10-25Mbps on my 2.4Ghz connection, and less than 5Mbps on my 5.0Ghz. Both my Macbook and my desktop are located in the same room.

    As far as I know, I have the most recent drivers:
    Provider: Qualcomm Atheros Communications Inc.
    Date: 11/10/2015
    Version: 10.0.0.329

    Would this be a result of drivers or some potential incompatibility? If not, what other problems might be present?

    Thank you!

    :)
     
    theStyg, Feb 22, 2016
    #1
  2. DONAVONREIMCHE
    DonavonReimche Win User

    IRQL UNEXPECTED VALUE WINDOWS 10

    This is an old post but I found it definitely was a problem with the TP-Link WDN4800 adapter--I had the exact same problem that was corrected with a new driver even though Windows 10 thought the original driver was the latest--was from 2011. I went to
    TP-Link site for a new driver but the latest one they had was from 2013 which may work. However, you can find a newer driver for the Qualcomm/Atheros AR-9380 chip that is used by TP-Link Adapter--version 10.0.0.328 WGQL released Nov 2015 that worked for me.
    Should be able to find it by searching for it.
     
    DonavonReimche, Feb 22, 2016
    #2
  3. LAWRENCEWHITTLE
    LawrenceWhittle Win User
    Wireless USB adapters compatible with Windows 10

    A PCIE Wireless Dual Band Adapter that works with Windows 10 is the TP-Link. Model TL-WDN4800
     
    LawrenceWhittle, Feb 22, 2016
    #3
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TP-Link WDN4800 is abnormally slow, even after driver updates

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