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  • 3 Post By tullius128
  1. GLO
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       #1  
    One of my Touchpads will not charge with a charging dock stand but does charge perfectly by cord. I've tried resets, but doesn't change, and multiple charging docks that will charge other Touchpads, so I know it's not a bad charging dock stand. I'm not very tech savvy to say the least, and I don't know why this might be. Anybody seen this before or have a clue?
  2. #2  
    No one's replied, so I'll chime in with the bad news:

    Its likely the charging coil is shot -- and can't be (easily) repaired. The coils aren't particularly rare or difficult to replace, but disassembling a full-size Touchpad is a scary proposition:
    https://www.ifixit.com/Guide/HP+Touc...placement/6082

    On the other hand, Touchpads can be had for cheap on eBay, if you really have to have Touchstone charging.
    Check out my webOS archival and development projects: http://www.jonandnic.com/webos
  3. GLO
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       #3  
    Thanks for the info, I appreciate it.
  4. #4  
    Kind of interesting coincidence. My touchpad sat in the kitchen on its touchstone stand for almost a year in Exhibition cycling through a bunch of Accuweather cities. When Accuweather broke, I brought the TP up to my office, and set it aside - off the dock. When Accuweather started working again (THANKS! to all who worked on that) I set the TP back on the dock and....nothing. But like Glo, charges via USB. No way to test which is shot, TP or TS as I only have one of each. Never thought I'd but any additional webOS kit but I really liked my little weather station. Guess I'll go search ebay...
  5. #5  
    Just bought a brand new sealed TouchPad Dock and a new in open box TouchPad. What the heck is wrong with me?
  6. #6  
    Quote Originally Posted by tullius128 View Post
    Kind of interesting coincidence. My touchpad sat in the kitchen on its touchstone stand for almost a year... I set the TP back on the dock and....nothing.
    I have a theory about this.
    Inductive charging is incredibly inefficient and generates a lot of excess heat (waste). Heat accelerates the death of electronics. And inductive charging coils are paper thin.
    I suspect that 24/7 charging generates enough continuous heat that it degrades the coils over time.

    Now I have a couple Touchpads that get this kind of use -- one is a digital picture frame about 90% of the day (except when I'm reading the morning news) and the other is now a permanently alarm clock. But I've employed a couple mitigations that I'm comparing...

    • Picture frame Touchpad is on a "smart outlet" that turn on in the morning, off during the work day, on again the evening, and off again at night. The Touchpad gets about 6 hours of charging a day, and always has a happy battery, but it reduces total time on a warm coil.
    • Alarm clock Touchpad is connected to a USB charger that is a little less power than it would prefer: 1.8amps instead of 2.0 from the OEM adapter. It seems to run cooler as a result -- the Touchpad complains once per boot, but is otherwise fine with it.


    Of course, I don't know if these ideas help. And besides, these are old pieces of equipment and if they spend their last years or months in a way that makes you happy, I say run them til they drop. But if you want to eke out a little more time, consider reducing the total time spent warm some how.
    Check out my webOS archival and development projects: http://www.jonandnic.com/webos
  7. #7  
    Does the TouchPad charge when plugged in to the same power brick that the TouchStone is plugged in to? I've had a few of those bricks die.

    -- Sent from my Palm Pre3 using Forums
    Did you know:

    webOS ran on a Treo 800 during initial development.

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