[Noisebridge-discuss] Mac Book Pro + Water = Sad Mac Keyboard

Brian Morris cymraegish at gmail.com
Mon Mar 5 19:38:10 PST 2012


That would be the highest % of rubbing alcohol not the cheapo 50 or 75%
which has the water you don't want.

On Mon, Mar 5, 2012 at 9:49 AM, Daniel Pitts <coloraura.com at gmail.com>wrote:

>  You could try washing it with an alcohol solution (rubbing alcohol), and
> hoping that displaces enough of the material to fix the problem, but
> chances are you'll need to replace the keyboard.
> On 3/3/12 2:31 PM, Jared Dunne wrote:
>
> NB-
>
> My gf spilled a decent amount of water on my old 17" MBP's keyboard the
> other day.  I was wondering if people with experience with similar
> incidents with A1212 17" MBPs could share some tips.
>
> I immediately turned it off, unplugged, and removed the battery.  I
> inverted it and wiped down as much of the water as possible.  I left it
> inverted overnight.
>
> The next day I put back in the battery and powered it up.  It worked fine
> except some of the keys were "stuck", meaning it was acting like they were
> held down, namely some combination of shift, control, and command.  The
> behavior was that when I typed everything was in all CAPS and numbers were
> punctuation, etc.  Also when I clicked links in the web browser they opened
> in new windows.
>
> I found some helpful videos on http://www.powerbookmedic.com and used
> them to dissemble the MBP and remove the keyboard.  Once removed, I was
> better able to remove various crud that had found its way under the keys
> over the last 4-5 years.  I then ran it under fresh water (didn't submerge)
> then allowed it to dry for 36 hours.
>
> The following evening I tried reassembling the machine.  I had some
> trouble getting the keyboard's ribbon cable back snugly into it's slot, so
> I'm not sure that it made a good connection.  I continued anyways and
> powered it on.  The "stuck" key problem had gone away.  While most keys now
> worked, a seemingly random subset of them didn't do anything on key press,
> including T, G, B, left shift, tab, command, etc.
>
> I've removed the keyboard again and removed the keys that were still
> having issues.  There isn't anything obviously afoul with them, aside from
> there being some dusty/cloudy appearance between the layers of transparent
> plastic housing the connections to/from the nubs that get depressed, which
> isn't dramatic different than the appearance surrounding the working keys.
>
> Questions:
> - Could the behavior be caused by a incomplete connection of the ribbon
> cable?  Or would that cause boot errors or all-or-none behavior?  Tips on
> getting that ribbon cable in snugly despite the lack of slack in the cable?
> - Did I screw up by rinsing it off?  Alternatively, did I not go far
> enough in my rinse?
> - Any other tips on what I should do next?  Clearly I can buy a
> replacement, but I'd like to eliminate the possibility of repair before
> doing so.
>
> Thanks!
> Jared-
>
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