Question about A4tech A4 Tech KBS-720B Black PS/2, Super Slim Anti-RSI Keyboard - RETAIL (DSATKBS720PS2BK)

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How to repair my a4tech keyboard was drown in the water?? i hope you can help me with this problem!!!!

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Well, it seems that your problem is common to all, most likely if the keyboard were drown in the water it will not work anymore, try buy a new one, there are cheapest brand kboard in the shop anyway

Posted on Sep 29, 2009

  • Ardwych Mar 28, 2012

    A lot depends upon whether the keyboard was powered/connected when it got 'drowned'. If it was, then you probably fried the circuitry, but if no circuits were shorted when it got wet then you really just needed to dry it - thoroughly.
    I've taken apart a notebook-style A4 desktop keyboard lately. The first trick was to locate its screws (under the rubber feet and the brand/model label), and then to determine where the case mouldings joined. A bit of pressing around the rear edge revealed some 'give', so with a few plastic spatula-like sticks I managed to prise the case apart, leaving some sticks in place as I ran around the edges.
    The next trick was to remove 67 tiny screws (whatever) and to scrape away the melted tops of a dozen or so holding, placement posts. Eventually the parts came apart; there was muck (in my case, sticky cordial) on most surfaces, the most important of these being the TWO clear plastic membranes. A soaking and slosh-around in cold, boiled water dissolved all foreign material, and 20 minutes in bright sunshine (not too much; parts might warp), and patient reassembly got it working again.
    The electronics had to be separated from the washable parts and care had to be given to the edge-connector so that it had good placement and got good contact back again.
    VERY important was the white plastic membrane that had the 'dome studs' rising from it, ones that contacted the undersides of the keyboard keys. Those studs can easily break away and get lost. Take great care that they stay attached, or find a way to place them in their key sockets (upside down) during reassembly.
    If you send an A4 keyboard swimming again, give this method a try; it's a satisfying exercise. Good luck.



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Worldwide sites

Use the search panel below to search for your A4 Tech Products ( Note : If your A4 Tech Product is a Keyboard + Mouse Bundle , please use the search panel on the right ) .

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Search by Product's Model Number which is located on the bottom of your product . You will see " Model: " or " M/N " or " Model No . "

Note : If you can't find your model number from the drop down list , please email us as soon as possible . We will help you resolve the problem by telling you the correct model number for your item , or we will add your model number to the drop down list immediately .
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Hope this help

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