Wireless mouse movement is inverted backward

Logitech M305 mouse - optical wireless
January 13, 2011 at 18:39:13
Specs: Windows XP
Have a USB mouse. Today it started moving backwards. All the motions are inverted (up goes down, left goes right, etc). I've unplugged it, restarted, put it in a different USB spot, checked mouse settings on control panel, uninstalled the driver and reinstalled (didn't have a CD with it so is probably a default driver). I don't have a flat screen monitor so there is no monitor twisting settings.

I can't pinpoint anything that caused the change. This is the computer that I allow the 4yr old to play with and he has discovered some odd 'handicap' settings on occasion. But he wasn't working with it much today.

Oh hey, I can plug in other USB (light but not wireless) mouse and it works normally. So it seems to be the mouse itself. It is a Logitech M305.

Is it just dead, or is there something to be done?

See More: Wireless mouse movement is inverted backward

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January 13, 2011 at 19:17:48
It sounds like you're holding the subject mouse upside down.

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January 13, 2011 at 20:00:35
Actually, turning upside down does fix the motion but 'clicking' on things becomes difficult.

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January 14, 2011 at 04:38:59
The actions appear to be settings that you haven't discovered how to change. Have you tried removing the batteries in addition to disconnecting the receiver? According to the features of that model the nano receiver is always on unless you remove it from the USB port and plug it into the correct port on the mouse. Look at the link below for more on that.


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January 14, 2011 at 06:00:45
I took the battery out again just in case I forgot that last night. Hadn't tried putting the plug it into the mouse (just left on the desk before) so tried that. Restarted. ...no change. =(

It very much looks like a setting. But I've checked the mouse settings from the control panel and can't think of anywhere else to look.

The webpage looks helpful. Thanks, I didn't find that on my own searches. Their link to an updated driver is broken (maybe because the 305 doesn't have a special driver? I'm guessing here). Backward motion doesn't come up in the FAQ. So now I get to call support. If they come through I'll post the diagnosis.

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January 14, 2011 at 06:46:01
Just to clarify, it appears there are two locations you can plug in the nano receiver. One is just for storage. The other turns off communication.

Possible your mouse is defective. is it still under warranty?

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January 14, 2011 at 09:49:37
Apparently you do not need to install any software for the mouse to be recognized by Windows and for it to have basic standard functions .

Try it with a different computer.

If it doesn't work fine with another computer either, then the mouse has probably been damaged, probably by it being dropped.

It it works fine with a different computer, then it's got to be some setting on the laptop that is causing your problem.

I see no setting in the standard Mouse settings, or in the Accessibility settings, in Control Panel that would cause your problem.
You could try looking in the User's or Owner's manual for the laptop model - they sometimes have key combos that change default things .

Found here:

Do not use a USB hub or KVM switch and always plug the receiver directly into your computer.

Q: Cursor does not follow M305 mouse movements


Turn off your M305 mouse and try cleaning your mouse sensor (shown below) with a soft cloth or a Q-tip.

Use a mouse pad and avoid using your mouse on:

* Glass or other see-through surfaces.
* Reflective surface such as a mirror or metal desk.
* Wood grains and grooved surfaces.

You could try downloading the Logitech® Connection Utility and using it

Quick Install Guide and basic t-shooting:

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January 14, 2011 at 10:44:27
No, there is no spot on the mouse to plug in the nano receiver except the storage compartment. Looked that the manual for the mouse and it doesn't show any other spot either. Maybe you're thinking of a different model?

I plugged it into my other computer and it's behavior stays the same. So ya, I think the mouse is broken. It does get dropped fairly often. Is the downside of wireless. There are no wires to stop a fall. It's only a couple months old so I can return it if I can find my receipt.

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January 14, 2011 at 11:39:27
" It's only a couple months old so I can return it if I can find my receipt."

You have no legitimate right to return it for a refund or replacement if you, or anyone, damaged it by dropping it.

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January 14, 2011 at 12:19:43
There is software for that model mouse. Two files are available. Setpoint has some mouse options. The other download is for the nano receiver.


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January 14, 2011 at 13:13:52
The Logitech software is not required for the mouse to be recognized properly by Windows and for it to have basic standard functions .

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January 14, 2011 at 15:04:54
That is true for items that can't reasonably be expected to survive a fall or be exposed to the danger from normal usage. Like porcelain figurines or monitors. Mice aren't expected to be as durable as pencils or forks, but they ought to be able to endure even child enhanced usage for more than a couple of months.

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January 14, 2011 at 15:06:29
My wired MSoft optical mouse has hit the floor at least a dozen times. That said, it makes sense that the mouse may have been damaged.

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January 14, 2011 at 16:17:41
I don't recall ever damaging a corded mouse by dropping it.

I help out with computers at an extended care center where they have had up to 6 computers that anyone there can use. Many of them have MS, muscular dystrophy, Parkinson's , or other afflictions that affect their hand strength and coordination, many use wheelchairs and they occaisionaly bump into the computer stands, and they have broken lots of mice by them getting dropped or knocked off many times onto a lino floor. The corded ones stand up to that a lot longer than the corded ones do.

If I were you I wouldn't get a wireless mouse for your son to use - get a corded one.
They can be quite cheap to buy.

If there is no carpet near the computer where the mouse is likely to get dropped, place a small carpet there.

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January 14, 2011 at 19:31:45
I actually picked this mouse not because it's lack of cord but because it's small. All the corded ones [in stock at the store I was at when I was in 'replacing worn out mouse mode'] were sized uncomfortably large for 4year old hands. I'm sure I can find something better if I go further afield but I hoped this one would work.

Being able to hide the mouse when I really needed to enforce 'no computers!' is a a help (worrying about not being able to find it again isn't so nice). The lack of cord means I don't catch the 1 1/2 yr trying to haul it out by the roots (have seen a mouse killed by this, hoping not to see a computer port killed by it). I'd actually been really impressed with the mouse's durability as it seemed to take the falls (onto carpet) in stride. Once the battery cover bounced off and that's it. And there weren't any memoriable falls yesterday.

Going into inverted mode but still working flawlessly otherwise? That's a really odd effect from random jostling. I'd expect jostling to damage hardware and this seems like a software bug? But if it's not the driver then the only other place I can think is in the firmware on the mouse itself. And doesn't firmware tend to be inaccessible?

So I'll try my support calls and also the Logitech specific driver (will take me a day or two) and otherwise replace it.

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January 15, 2011 at 04:49:52
Have you tried removing the listing for the mouse in Device manager and then rebooting?

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March 1, 2011 at 08:14:25
I had the exact same behavior. The mouse has worked fine for months. This morning tracking was inverted, everything else worked as expected. I reinstalled a driver, installed the latest version of setpoint, no luck. I then plugged it into a different computer and it had the same behavior, so I guess the mouse is toast. Which is a bummer as I really like the small form factor of the mouse and of the receiver. Oh well.

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March 1, 2011 at 08:46:35
There is a piece of dust or something stuck in between the laser and the magnifier.

You need to open up your mouse and blow it or move it out of the way

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