Second hand Kobo Aura won't turn on

ftg · 06-25-2020, 01:51 AM

Hello everyone,

I have bought a second hand Kobo Auro 2nd edition (I guess, I have uploaded picture of the teardown below)

https://imgur.com/a/z6Psmth

The device doesn't turn on. I have controlled voltage of the battery, it seems ok.
The LED does not even turn on. The SD card was missing, I have replaced it without any firmware, but I think that at least the LED would turn on...

First question: would someone share the firmware? thanks by advance
Second question: what kind of steps would you perform to make it alive again?

Thanks

stumped · 06-25-2020, 03:25 AM

can you bypass or test the actual on/off switch ?.

ftg · 06-25-2020, 03:40 AM

I tried but not sure my method is efficient, a soldering point at a time. I am not really expert at electronics...

davidfor · 06-25-2020, 04:59 AM

Without the SD card, I would expect the power LED to flash a few time and then go off. But, to test, hold the power switch in the off position for about 20 seconds. This will force the device to power off. Then see what happens when you turn it on. Plugging the device into power should also trigger it to turn on after a short period of time.

And I sent the PM with the image in response to your other post. And I now understand a little bit more about what is going on.

ftg · 06-25-2020, 05:40 AM

Quote:

Originally Posted by davidfor

Without the SD card, I would expect the power LED to flash a few time and then go off. But, to test, hold the power switch in the off position for about 20 seconds. This will force the device to power off. Then see what happens when you turn it on. Plugging the device into power should also trigger it to turn on after a short period of time.

And I sent the PM with the image in response to your other post. And I now understand a little bit more about what is going on.

Well there is no sign of life... If battery was dead, I would have anyway some LED blinking or something when it is plugged to wall, right?

frostschutz · 06-26-2020, 04:01 PM

On my H2O, the LED will light up for a few seconds (reduced brightness) before turning off. This happens both without SD card as well with an empty (zeroed) one. With proper firmware SD card, the LED will go full brightness and then blink during the boot process.

However I've had also had cases where the device crashed and had to be revived by means of battery disconnect (even the reset button did not work).

06-25-2020, 01:51 AM	#1
ftg Junior Member Posts: 10 Karma: 10 Join Date: Apr 2020 Device: Aura H20	Second hand Kobo Aura won't turn on Hello everyone, I have bought a second hand Kobo Auro 2nd edition (I guess, I have uploaded picture of the teardown below) https://imgur.com/a/z6Psmth The device doesn't turn on. I have controlled voltage of the battery, it seems ok. The LED does not even turn on. The SD card was missing, I have replaced it without any firmware, but I think that at least the LED would turn on... First question: would someone share the firmware? thanks by advance Second question: what kind of steps would you perform to make it alive again? Thanks

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06-25-2020, 03:25 AM	#2
stumped Wizard Posts: 3,305 Karma: 10259306 Join Date: May 2016 Device: kobo forma, Kobo Libra, Huawei media Tab, fire HD10, PW3 HDX8.9,	can you bypass or test the actual on/off switch ?.

06-25-2020, 03:40 AM	#3
ftg Junior Member Posts: 10 Karma: 10 Join Date: Apr 2020 Device: Aura H20	I tried but not sure my method is efficient, a soldering point at a time. I am not really expert at electronics...

06-25-2020, 04:59 AM	#4
davidfor Grand Sorcerer Posts: 24,905 Karma: 47303822 Join Date: Jul 2011 Location: Sydney, Australia Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos	Without the SD card, I would expect the power LED to flash a few time and then go off. But, to test, hold the power switch in the off position for about 20 seconds. This will force the device to power off. Then see what happens when you turn it on. Plugging the device into power should also trigger it to turn on after a short period of time. And I sent the PM with the image in response to your other post. And I now understand a little bit more about what is going on.

06-26-2020, 04:01 PM	#6
frostschutz Linux User Posts: 2,279 Karma: 6123806 Join Date: Sep 2010 Location: Heidelberg, Germany Device: none	On my H2O, the LED will light up for a few seconds (reduced brightness) before turning off. This happens both without SD card as well with an empty (zeroed) one. With proper firmware SD card, the LED will go full brightness and then blink during the boot process. However I've had also had cases where the device crashed and had to be revived by means of battery disconnect (even the reset button did not work).