Thread: Kobo h2o won't wake from sleep
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Old 01-02-2016, 06:27 PM   #11
davidfor
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Posts: 24,905
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by JSWolf View Post
I had a 500 back charge once when it was connected to a laptop to charge and the laptop went to sleep. There was nothing wrong with the laptop, the 500, or the cable. It was because of the laptop going to sleep.
Exactly how do you know that was what was happening? Saying the battery in the 500 went flat doesn't prove anything. I think it is more likely that the device still saw a connection and didn't go to sleep. Or, that the connection was partial in some way that the device kept trying to connect to the PC.

Of course, without the device, laptop cable and some extra electronics, I can't prove my theory.
Quote:
[quite]No, that is to enable devices to be charged or keep running when the laptop is sleeping.
It also prevents back charging. Maybe newer devices have circuitry to prevent back charging. I don't know as I've never looked into it.[/QUOTE]

You said "one port". So, it only works if the device is left plugged into that port? And recent? I have a laptop from 2008 that with one port like this. And based on buying three laptops last year, I think it's actually dropping off as a function. Unless it's so common that it isn't listed as a feature.
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