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Battery Issue is it software or hardware?

kwwakelee

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2012/11/25 - 04:34

I had a new problem crop up this evening on my Arnova 10b G3 Capacitive Tablet, Flashed to Jellybean 4.1 (0.45 update). The battery does not seem to be charging at all now. It is plugged in, but the charging indicator light is green with flickers of red. The screen is very unstable and flickers while the charger is plugged in. Battery charge indicator(s) are not showing any change in charge. (they would work sporatically up until now.) I am wondering if this is a software issue with the .45 flash, an issue with my charging pack, or the charging circuitry in the tablet. Any help would be greatly appreciated.

kwwakelee

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2012/11/25 - 05:01

Now the tablet has become completely unstable with the ARNOVA boot screen flashing on and off while on the charger. Off the charger the boot screen flashes once then goes black. battery is definitely not charging, and I am definitely getting frustrated!

Oma7144

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2012/11/25 - 09:34

Pls use v0.46.

- Oma -

Per aspera ad astra, we rock the Tablets !

If you like our firmwares, please consider making a donation to support our work.
Thank you!

kwwakelee

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2012/11/27 - 02:37

It seems as though this was mostly a hardware issue in that my power supply/charger has somehow failed. I connected a multi-tip adjustable voltage power supply set at 4.5 vac and the tablet immediately started to charge. within a few hours I was able to flash to v.46. Admittedly the 4.5vac input is charging slower than the provided power supply but it works. The question now is whether the tablet will tolerate a jump to 6 vac, or is 5 the maximum?

It seems the the tablet is not actually charging, but only operating on the 4.5v 600 mA input. As soon as it is unplugged, the device shuts down. leaving the device plugged in does not charge the battery. I ordered a 5V 2A charger for a 7 series tablet (no 10 series chargers to be found?) will see what happens after arrival in a few days.

kwwakelee

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2012/12/02 - 03:31

Just received a new charger power supply today and after a quick mod of the tips, I was able to power on my 10bG3 this evening

I am currently using the v.46 flash and everything is working good so far.

I have noticed the startup and shut down issues discussed in the JellyBean 4.1 upgrade forum, but was expecting that.

I did find out it is possible to charge the 10b using a lower voltage and amp setting, although it does take much longer.

The trick to charging at 4.5 volts and 600 milliamps is to put the tablet in recovery mode (Volume + and Reset for 5 - 10 Seconds) then walk away. after 4 hours there will be enough charge to do a quick troubleshoot. Thanks to OMA for the upgrade recommendation.

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