Brand new keyboard (K360) and mouse (M510)
I use LogiOptions to add keybinds to mouse buttons.
And the EngineLog.txt in the C:\ProgramData\Logishrd\Unifying folder shows this -->
[22:49:58:0256]: ----------[04-02-2021]------------------------- Unifying API ------------------------------------
[22:49:58:0256]: <3996>Unifying Loaded DLL: 2.50.25
[22:50:01:0299]: <4172> Device doesn't respond!! Current retry count: 0
[22:50:05:0929]: <4308> Device doesn't respond!! Current retry count: 0
[22:50:09:0046]: <3996> Device doesn't respond!! Current retry count: 0
[22:50:12:0017]: -------------------------------------------------------------------------------------------------
[01:05:02:0964]: ----------[04-03-2021]------------------------- Unifying API ------------------------------------
[01:05:02:0965]: <7768>Unifying Loaded DLL: 2.50.25
[01:05:06:0004]: <13560> Device doesn't respond!! Current retry count: 0
[01:05:08:0445]: -------------------------------------------------------------------------------------------------
[11:48:42:0804]: ----------[04-03-2021]------------------------- Unifying API ------------------------------------
[11:48:42:0804]: <12880>Unifying Loaded DLL: 2.50.25
[11:48:45:0828]: <12896> Device doesn't respond!! Current retry count: 0
[11:48:50:0562]: <12940> Device doesn't respond!! Current retry count: 0
[11:48:53:0575]: <12880> Device doesn't respond!! Current retry count: 0
[11:49:01:0682]: -------------------------------------------------------------------------------------------------