Windows – Logitech unifying reciever no longer works on ALL USB ports

logitech-mouselogitech-unifying-receiverwindows 7

I have a Logitech m525 mouse that I use at work (Win 7 32-bit). For the first little while, I would take the mouse home with me which meant unplugging the Unifying receiver. After a few times doing this however, I noticed that if I plugged the Unifying receiver back into a previously installed port, it wouldn't work. Over time, I've actually run out of ports to plug this device into. I get the following "USB Device Not Recognized" error:

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Looking in my device manager, I see that there is a "Unknown Device":

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and in the devices properties status I have the following:

Windows has stopped this device because it has reported problems. (Code 43)

I've tried uninstalling and updating the driver, to no avail. I've also downloaded SetPoint, and installed previously when I first installed the mouse. It still doesn't work. My question is two fold:

  1. I have a gut feeling that there are residual corrupted drivers, hence the "Windows has stopped the device…". How do I completely remove ANY drivers associated with this device?
  2. Is there a proper way to install the Logitech Unifying receiver for Windows 7?

Best Answer

I had exactly the same problem, just watched this simple video on YouTube.

Basically the steps are:

  • taking the black cap off
  • sticking a piece of paper inside making the contact points closer
  • stick the black cap back on

I tried it and it works.

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