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Logitech M100 tracking problems

thomase

Limp Gawd
Joined
Nov 2, 2004
Messages
361
I have had a basic Logitech Optical Mouse at work for several years now (maybe 7?) and my left button is finally starting to go, so I asked the IT department for a replacement.

I was given a Logitech M100, which is apparently the standard replacement mouse across the entire company (of several thousand employees).

Anyway, immediately after plugging it in I noticed that the tracking seemed to be pretty inaccurate compared to my old mouse. When making very small movements to zero in on a particular pixel, the tracking seems very jumpy. I recognized that my old mouse had only 400dpi while the new one has 1000dp, so I decreased the Windows mouse speed from 6/11 to 4/11 (which I believe should have a factor of 2 difference). With the speed correction, we are talking about 400 pixels/inch for the old mouse and 500 pixels/inch for the new mouse which is pretty close.

Even with the speed correction, I find it very difficult to make small pixel-by-pixel adjustments to the cursor position.Sometimes, it feels as if I can move the mouse for several mm without any change in cursor position, when all of a sudden, it will jump a few pixels at once. With PC gaming as an occasional hobby, it may be that I'm a bit more sensitive to tracking accuracy than the average office worker.

Anyway, when I posted about this on the Logitech forums, one of the admins suggested that the hardware was faulty. I am more inclined to believe that this is a fundamental design flaw (e.g. cheap sensor), than a lemon. I'm going to ask around the office to see if anyone else has the same mouse in an effort to reproduce the problem.

Has anyone ever had any experience with this mouse? It lists for only $9.99, and I wouldn't be surprised if part of the problem is that the sensor is cheap and under performing. I haven't yet tried a difference surface...
 
If the sensor is clean, then it's probably incompatibility with the surface.
 
I was afraid of that. Since my previous logitech optical mouse didn't have any problems with the surface, I would consider this to be a drop in quality.
 
Turns out its a lemon.

I tried someone else's M100 and the tracking was noticeably better. Does this happen often?
 
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