Question about Logitech Cordless Mouse

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Dropped a little water under my mouse

Dried it out. new batteries. up and down wheel works but it must have interfered with the optic tracker. any suggestions? would just throw it away but its an expensive one

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  • peter581 Jan 30, 2009

    thanks so much for extensive advice. it was a little pool on the desk. i tried to pull it apart but could only find two screws and the rest didnt want to move. anyway, like you say, probably better to buy another one and keep the drinks off the desk in future. will try drying it out again although i left it for a half hour under a pretty warm light with no results,. but thanks again for your help. really appreciate it. peter.

  • peter581 Jan 30, 2009

    thanks again Dotball. OK i will dry it out more and try to find a way of undoing it. you are a real gem. i appreciate your kind help. Give me your address and i'll throw a little something in the male for your favorite girl. if you have one. [haa] peter

  • Dot Ball
    Dot Ball May 11, 2010

    Peter, because of the conditions of the site I cant accept anything, but here, the best thing you can do is vote on my responses and give me credits for helping you.

    thanks for the offer though something in the 'male' would have been good - in these times my fav does miss out somewhat.

  • Dot Ball
    Dot Ball May 11, 2010

    Peter, a little pool on the desk would lead me to believe the water just pooled up to the laser lens, rather than flowing through the device. Unless you tipped it upside down and then some water would have entered the electronics.

    Peter - half an hour is no where near long enough. I was talking days.

    If you want to have a go at pulling it apart, there are often screws hidden under the slip pads (rubber feet) or under a label - feel, with some pressure, across the label and you may feel, reveal, a hole behind it. push your screw driver so it pierces the label and you may find the screw.

    Please let us know how you go - fixed or discarded.

  • Dot Ball
    Dot Ball May 11, 2010

    OK, this is pretty broad - "a little water", let's be specific.

    A little water on the table, under the mouse is no going to affect it. A little water over the mouse may. Thing is, old-style electronics used to be robust enough that you remove the power, let it dry, power it back up and presto, good to go. Now a days, electronics are fine delicate structures that the slightest bridge, shock or object, including water, can sincerely 'knock out' necessary parts. Considering you have about 2.5-3volts supply in that thing. Some parts of the device are monitoring less than 1volt, fractions of a volt, there looking at humming over .3v and if a sensor supplys .4v then an instruction is carried out. Imagine you looking at a torchlight, if it dims you go left, if it brightens you go right, but if someone standing behind it turns on an array of monsterous spotlights, you squint and turn away and likely wont see that torch when the lights go out - same in electronics. When that water carries 1,2,3v to that little sensor evaluator, it's gone.

    I see 3 options: there is nothing wrong and you have not let it dry sufficiently yet, give it days in dry weather to dry right out; water has carried contaminents (dirt) across the laser emitter or receiver sensor and although working, not effective, clean it with a cotton bud; water has damaged components and is economically irreversible.

    If you have nothing to loose, get a screwdriver and pull it apart and clean sensors. Try not to touch any electronics with anything conductive - including your finger (skin is abundant with acids). Wipe a DRY cotton bud where ever you have doubts about contamination and especially if you can get under the lens for to laser - DO NOT power up and look at the laser, dangerous to you sight.



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Thanks for double checking. i am following through on a couple of helpful suggestions. if they don't work, it wont be worth pursuing. the value is not great enough to spend the effort. but thanks for checking, peter

Posted on Jan 30, 2009


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