Problem with the Lemorele USB-C Hub

Discussion in 'Hardware' started by HeSaidSheSaid, Feb 5, 2023.

  1. I have Windows 11, and I've got this error below with this hub. The device stops working randomly, so I have to reboot my laptop, then it'd work, then it stops working randomly, then reboot ...
    •Error from device manager: "Windows has stopped this device because it has reported problems. (Code 43)
    A USB port reset request failed".

    •USB device not recognized. "the last USB device you connected to this computer malfunctioned, and Windows does not recognize it"

    Windows recommendation "Try reconnecting the device. If windows still does not recognize it, your device may not be working properly"
     
  2. spy

    spy

    These kinds of issues creep up all the time. You need to get used to "bisecting" the path/pipeline of components from least expensive to most expensive in order to isolate what's at fault (i.e. failing).

    In your particular situation, as an example, I'd follow this type of procedure:
    1. Plug the hub into a different USB port of the computer and see if the problem gets resolved. The problem could be the USB port of the computer and this is the easiest, quickest, and cheapest test.
    2. Forget the "Lemorele" hub and try a different hub altogether. The hub could be failing and this is the next least expensive thing you can try.
    3. Try a different driver or operating system. Things are starting to get a little more expensive now. But, if it's not the USB port of the computer and not the hub then there aren't many options left.
    4. Try the hub in a different computer. This is the most expensive (and therefore last) test since it requires another computer.
    Depending on exactly what you want to accomplish you can drill further and further down to identify exactly what's going on. For example, if you determine the hub is at fault, then you can further identify if it's a cable or a chip in this systematic fashion.

    Keep in mind, however, that bisecting problem sets in this way requires you to control each test/experiment so that only one component is being evaluated at a time.

    This way you cut the problem in half at a single, specific point. Does the computer's USB port work? Yes/No? Does the external hub work? Yes/No? Does the driver work? Yes/No? This is bisection.

    Don't try two tests at the same time because that will not isolate the problem. That is, if you plug a different hub into a different port of the computer and things start working... you won't know if the problem lies with the USB port of the computer or the hub.

    This is no different than how most scientific experiments are run. The researcher establishes a control group and an experimental group; and then results are compared with conclusions between the two drawn from there.

    Good luck.
     
    Last edited: Feb 5, 2023
    rb7 and Ninja like this.
  3. rb7

    rb7

    This is common problem with USB Hubs/Switches and Windows.

    I don't know where the problem comes from, but each time it happened to me, I changed the Hub/Switch and the problem disappear.
    These things goes from a few bucks to multiple hundreds of $$$$.
    I guess the less you pay, the more chance of problem you have.