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Issues with Logitech K350 Keyboards and Mice Dropping Inputs

Novitiate III

Hello everyone,

So I've been dealing with a pretty annoying issue with the logitech K350 series keyboards and mice in one of our branch offices, but not in other branch offices. The keyboard will drop input irregularly but the issues happens consistently. Have purged and reinstalled drivers and tried the logitech unifying software. Swapping the keyboards and mice with wired ones resolves the issue as well.

I was wondering if anyone has run into this kind of issue. From what I can tell it might be wireless interference. We removed the 5G band wireless on the router in the office, but the issue is persisting. 2.4Ghz band is still active. Could it be a bad batch of keyboards, signal interference, too many devices, or something else entirely?




Community Manager Community Manager
Community Manager

I have 2 mice and one of them runs great and the other is constantly doing crazy things. The best I can figure is one of them is much closer to the receiver and has a better line of sight. That one never gives me issues. The other one is about twice the distance from the receiver and on a lower level (keyboard tray, sort of) and it jumps all over the screen, the scroller doesn't do what I want it, too, and it's extremely frustrating. I'm trying to figure out a way to get the receiver closer to see if that helps, but I don't have a lot of options.

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Rising Star III
Rising Star III

wired keyboards can introduce supply chain risks from rogue devices. there's a few clones of popular MSFT hardware that looks/feels the same, but with a spoofed hardware ID. Inside: a raspberry pi and 4g modem. Your desktop powers it via USB. 

That's interesting David, thanks for the insight. 🙂

Although I am aware that any USB device has the potential for compromising a device or directly short-circuiting it if a usb device installed with excess capacitors designed to fry them, can happen, I am wondering how common this vector of attacks is. I haven't seen much of these categories of attack. Usually I will more commonly see phishing based attacks as the largest attack vector.

Physical pentesting we may send you swag with compromised hardware inside, wired or wireless wont matter.  Mice or those stupid USB powered fans/lights are my favorite.  Always beware of a free lunch.

Novitiate III

I've got the same issue with piles of PCs and the entire MX series by Logitech.  It seems to be a long running issue with a to-date unresolved root cause spanning almost a decade now.  I broke down and bought some far cheaper Anker devices and the problem went away no matter where I am.  The only similar issue I've found (and resolved) was a power issue wherein the PC disables a USB/port, service (ie - Bluetooth), or app (service) to conserve power or as part of the sleep/hibernate function.

Sorry I don't have better news for you.  😞

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