Optical mouse jitter

January 19, 2006 at 6:10 pm | Posted in Fixit | Leave a comment

Computer are amazing — they throw you a steady barrage of random problems out of the blue as some kind of tax on productivity. My latest was that the cursor suddenly started erratically jumping up and down by a single pixel. The result was that about 50% of my clicks were interpreted as drags and so didn’t do what I expected them to.

I suspected my Logitech MX500 optical mouse was having some kind of hardware problem or was dirty, etc., but after some time wastage finally fixed it by updating the driver (“MouseWare”). For others with the same problem who might find this post, the driver is here. This worked despite the fact that the Logitech support pages said it was either a problem with the mousepad or the USB port (I was already using the PS/2 port).

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