Thursday, 21 February 2013

Logitech G500 mouse pointer jitter fix.

Logitech G500 Mouse jitter fix

So I brought a second hand Logitech G500 mouse which had some problems with jitter, when stopping the mouse quickly movement the pointer would briefly jitter a few pixels randomly.

After some googleing I found this blog entry - http://blog.ambor.com/2011/04/logitech-g500-mouse-rattle-jerky.html - which pointed me in the direction of the laser lens. Fixing the lens in place fixed the problem, the but as the original article has quite short on images I thought I would document it here. 

The top of the laser sensor, the lens is held in place by the two transparent tabs - which you can see passing through the black sensor at in the middle of the PCB.



The lens itself, this was unstable on my mouse and as the mouse moved/stopped the lens wiggled around disrupting the view of the laser.



 The laser sensor with blobs of glue fixing the lens's plastic tabs onto the sensor itself.



Job done!

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2 comments:

  1. Unknown16 August 2013 at 16:12

    Hello. Nice of you to put pictures and all but do you know if the lens needs to be pushed all the way down and then glued or is there a strict position it needs to be?

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  2. Unknown17 August 2013 at 18:35

    Thanks for the comment, my experience was just that needed to be pushed all the way down and glued. I suspect that it doesn't need to be very precise.

    One thing I forgot to document is that I also used cynoacetate glue (superglue) so it worked perfectly for a while and then the corrosive fumes damaged the lens. Oops.

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