Windows 8 and 8.1 Forums

2 of 4 laptop USB 3.0 ports donít work correctly

  1. #1

    Posts : 43
    Windows 8.1 Pro (x64)

    2 of 4 laptop USB 3.0 ports donít work correctly


    Iíve got a problem with my laptopís USB ports. All four are rated 3.0 and Iíve installed all drivers from the laptopís support page (as of a month ago) and everything else from Windows Update.

    Presently, two ports function fine, but the other two refuse to connect as 3.0, giving me a message saying ď[d]evice can perform faster when connected to USB 3.0Ē. Additionally, they occasionally wonít recognize my USB 3.0 devices (which work perfectly well everywhere else) at all, though disconnecting and reconnecting usually solves this after a couple tries.

    I think Iím running the latest drivers and all, but Iím not experienced enough with the Device Manager and such to really tell if Iím missing something. There are no error messages or unidentified devices there, at least.

    The USB 3.0 devices I use are a SanDisk Ultra (64 GB) thumb drive and a Verbatim SNS1TB external HDD.

    General specs:
    Model: Asus G750JZ-DB73
    OS: Windows 8.1 (x64)
    CPU: Intel Core i7-4700HQ
    RAM: 24 GB DDR3 dual-core
    Storage: 256 GB SSD, 1 TB 7,200 RPM HDD

    Thanks in advance for any help. Please note that replies may be infrequent since I have sporadic online access.

      My System SpecsSystem Spec

  2. #2

    Sydney, Nova Scotia, Canada
    Posts : 6,476
    Windows 10 Education 64 Bit

    Are you sure they are all USB 3.0 ports? On my K75DE two are (Blue) USB 3.0 ports and two are (Black) USB 2.0 Ports.
      My System SpecsSystem Spec

  3. #3

    Posts : 43
    Windows 8.1 Pro (x64)

    Quote Originally Posted by alphanumeric View Post
    Are you sure they are all USB 3.0 ports? On my K75DE two are (Blue) USB 3.0 ports and two are (Black) USB 2.0 Ports.
    Yep, all four USB ports are blue-colored. Additionally, online specs mention 4 USB 3.0 ports, two on each side.

    Funny thing, though Ė last night I plugged in my USB 3.0 thumb drive in one of the faulty ports, and just today, I notice it reads ďConnected to USB 3.0Ē when it never gave me that message yesterday.

    Dumb inconsistent computers Ö
      My System SpecsSystem Spec

  4. #4

    Posts : 42
    Windows 8.1

    Try clean the usb ports by folding paper to adequate thickness and insert it into the port 2 or 3 times.
      My System SpecsSystem Spec

2 of 4 laptop USB 3.0 ports donít work correctly

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