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Windows 7: Logitech Receiver not working

25 Aug 2011   #1

Windows 7 Pro x64
Logitech Receiver not working

Hello all, I feel a bit sheepish coming here with such a common "novice" issue however, it seems it is a fairly extensive, less user-error oriented problem than I was hoping for.

I have 5 logitech devices I am trying to connect to my machine. (Well, actually only 3 but 2 kb/mouse combos) and, I have had this setup before, many times however cannot get it to work.

The receiver that came with my Logitech 650 deluxe keyboard just WILL NOT work in Windows. I can use my keyboard in the BIOS, I can use it on my iBook, I can even use it on another windows 7 Pro x64 machine but it just won't work with the machine I am stuck using primarily.

The Devices I have are:
2 Logitech wireless Keyboards
-650 Deluxe
2 Logitech wireless mice
1 Logitech M510 w/ unifying receiver
1 Logitech C-BT44 Receiver (came with 650 deluxe)
1 Logitech receiver unknown (had to fix this bad boy...previous owner cut the cord to deter others from using it)

The unknown receiver works with either keyboard/mouse (not the m510 obviously) which, seeings as they all share the same frequency (RF 2.4GHz) is obviouse why they work together. BUT, NONE of the keyboards work on my primary box with the C-BT44 receiver within windows. Again, I can use that receiver in the BIOS, Both normal lights are on (F and Num lock) along with my 650 deluxe but, it just doesn't work in windows. It USED to work in windows. I originally had one keyboard on my desk (650) and the other (connected to the unknown receiver) keyboard (110) on my coffee table half-way across the room. This worked wonderfully. Well, not anymore. Obviously I can't have both keyboards connected to the same receiver as they are apparently made to only work with one keyboard and mouse at the same time so, I am stuck with just the one working keyboard on the less desirable receiver.

My thoughts are, is there a way to uninstall/remove all the PnP USB device history/drivers so that windows will automagically find/install the drivers on next boot? I know there was a sweet little app that did exactly that (among many other things) for XP but those days are past. The receiver that is NOT working in windows works perfectly wither in the BIOS or on other machines, just not the one I currently have to use...

Any insight would be great!! I almost traced the issue back to when I installed the M510 mouse/drivers/unifying software but only almost.

Thanks all! Hopefully we have some ideas here.

My System SpecsSystem Spec

25 Aug 2011   #2
Microsoft MVP

Windows 7 Ultimate X64 SP1

Hi, my first thought is too many receivers and they conflict, but you say you have used them all before. You can go to Device Manager\USB and try updating drivers for each one. Also uninstall then and reboot with all plugged in.
My System SpecsSystem Spec
26 Aug 2011   #3

Windows 7 Ultimate x64

If Britton30's advice does not work, have a look at this; USB Driver - General Fix for Problems[2]=Hardware%20and%20Drivers
My System SpecsSystem Spec

26 Aug 2011   #4

Windows 7 Pro x64

Well...7 restarts later, still having the same problem. I took both Britton30's and pooch's advice and it's a no go...BUT, The function light and Num-lock light on the Logitech receiver are both on now! (Before it was only the Function light) This isn't solving anything within windows, just a development. My hunch is that something went awry when I installed my Logitech M510 mouse. I had both keyboards working fine with the computer prior to getting the mouse and had the mouse connected to a different computer and used synergy to KM switch with it. Both keyboards and M510 worked on THAT computer though. Also, If I remove the M510 receiver, uninstall everything from it (Drivers, software, etc...) the non-functional receiver STILL doesn't work so it doesn't seem an issue with too many receivers.

I'm planning to *sigh* reinstall Windows this weekend and solve this, amongst other small issues I've been having. I'll try a repair install first and if a few of the small quirks are fixed, be content with that but if my computer is still acting not-quite right, may just break down and fresh install. (Err...possibly re-image it if I can find an image on location. Currently away from my backups though...soo much good their doing now :P) This is BY FAR my weakest computer that I rely on so I expect more than the usual amount of problems with it but it is nice when things just work.

Thanks for the input, if anyone knows any other possible solutions, I would LOVE to give them a try and avoid a wipe but I suppose I will prepare for the worst.

(Note: The receiver in question STILL works on my iBook, Win 7 x64 laptop, THIS machines and BIOS along with the other receiver/keyboard combo. Apparently something just got a bit too mingled somewhere in the mix within THIS win install)
My System SpecsSystem Spec
01 Sep 2011   #5

Windows 7 Pro x64

No luck. Ended up reinstalling Windows 7 and works just fine. I followed everything posted here and no luck as well as other ways of deleting/clearing USB device history and drivers. Not sure what the problem was but it's taken care of now I suppose. This is marked as the best answer because it states how the problem was worked around, not necessarily the ONLY way to fix it though.
My System SpecsSystem Spec

 Logitech Receiver not working

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