Windows 10: USB 3.0 Drive is Not Working on USB 2.0 Ports

Discus and support USB 3.0 Drive is Not Working on USB 2.0 Ports in Windows 10 Drivers and Hardware to solve the problem; I have kesu usb 3.0 scsi disk device which is working on USB 3.0 ports on my computer but not in USB 2.0 ports.... Discussion in 'Windows 10 Drivers and Hardware' started by Sheikh Fuad Sakib, Feb 24, 2021.

  1. SHEIKH FUAD SAKIB
    Sheikh Fuad Sakib Win User

    USB 3.0 Drive is Not Working on USB 2.0 Ports


    I have kesu usb 3.0 scsi disk device which is working on USB 3.0 ports on my computer but not in USB 2.0 ports.

    :)
     
    Sheikh Fuad Sakib, Feb 24, 2021
    #1
  2. ALECM3
    alecm3 Win User

    USB 3.0 transfer speed drops to 0 only on one port. USB port and external drive are NOT defective.

    I have a Dell XPS 13 laptop with two USB 3.0 ports. I connect a Seagate expansion drive to the left USB port and transfer a 4GB test file. It transfers about 1GB at 150MB/s and then transfer speed drops to 0. Then it picks up again after 3-4minutes, then
    drops again intermittently.

    I connect the same Seagate drive to the right USB port. The same 4GB file transfers with a constant speed of approximately 150MB/s. Thus the Seagate drive is not defective. Perhaps the left USB port is defective.

    I connect a Sandisk 128GB flash drive to the left USB port (that is now suspected defective). It transfers the same 4GB file with constant 130MB/s speed, no speed drops!

    Each step is reproducible 10x.

    I am out of my wits here.
     
    alecm3, Feb 24, 2021
    #2
  3. FOXSLINK
    foxslink Win User
    USB 3 Ports not working

    Hi folks,
    i was trying to copy some files from an external drive using the usb 3 port on my M/B but it doesnt work, i downloaded the drivers from the Manufacturers website but no luck either, am i missing an important step here? i havent checked the Bios yet
    GA-Z170XP-SLI (rev. 1.0) Overview | Motherboard - GIGABYTE Global
     
    foxslink, Feb 24, 2021
    #3
  4. AUGGY
    auggy Win User

    USB 3.0 Drive is Not Working on USB 2.0 Ports

    auggy, Feb 24, 2021
    #4
Thema:

USB 3.0 Drive is Not Working on USB 2.0 Ports

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