Odroid C2 doesn't boot after the first restart

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Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Mon Feb 13, 2017 11:04 pm

hello,

I have the C2 and it worked until the first restart. I changed the charger and try both ways (micro usb port too), I changed the micro sd but nothing happens. On the sd card I burned ubuntu_16.04lts.
the red LED stays on but the C2 doesn't boot.

thanks in advance for your help

regards,
Silviu
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Re: Odroid C2 doesn't boot after the first restart

Unread postby phaseshifter » Tue Feb 14, 2017 12:47 am

does the blue light flash at all
try a reflash with this image

http://odroid.com/dokuwiki/doku.php?id= ... _note_v2.2
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Tue Feb 14, 2017 12:54 am

no, the blue light doesn't flash.

I will try with the above img and tell you the result
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Tue Feb 14, 2017 2:04 am

unfortunately it did not work
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Re: Odroid C2 doesn't boot after the first restart

Unread postby phaseshifter » Tue Feb 14, 2017 6:06 am

pls follow this guide..i think you have not expanded the file and flashed it with the win odroid utility

http://odroid.com/dokuwiki/doku.php?id= ... hing_tools
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Re: Odroid C2 doesn't boot after the first restart

Unread postby odroid » Tue Feb 14, 2017 11:41 am

Which SD card do you use?
Let us know the brand/model name.
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Tue Feb 14, 2017 3:44 pm

I tried that too but no result. the micro sd that I use is a sandisk ultra 16Gb class 10 hc.
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Re: Odroid C2 doesn't boot after the first restart

Unread postby odroid » Tue Feb 14, 2017 7:37 pm

A few users reported the Sandisk Ultra has the nonworking reboot issue.
viewtopic.php?f=141&t=25070&start=50
Can you check the exact part number?
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Tue Feb 14, 2017 8:01 pm

I tried now with a samsung micro sdxc class 10 adn still doesn't work. the last resort is to find a emmc and try again
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Re: Odroid C2 doesn't boot after the first restart

Unread postby rooted » Wed Feb 15, 2017 10:46 am

What is the complete name of the file you are flashing?
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Wed Feb 15, 2017 4:28 pm

By flashing you mean writing this img on the card? ubuntu64-16.04lts-mate-odroid-c2-20170106.img.xz ; selfinstall-odroidc2-eng-s905_5.1.1_master-292-v3.3.img.xz and even Kodi
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Re: Odroid C2 doesn't boot after the first restart

Unread postby odroid » Wed Feb 15, 2017 5:35 pm

Do you have a DMM to measure the voltage on 5V rail of 40pin header?
http://odroid.com/dokuwiki/doku.php?id= ... connectors
It must be stable at 4.8~5.2 volt.
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Wed Feb 15, 2017 5:53 pm

yes I have and it's ok (5.057v)
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Re: Odroid C2 doesn't boot after the first restart

Unread postby odroid » Wed Feb 15, 2017 7:35 pm

Please keep measuring the voltage while C2 boots.
There could be a voltage drop even very short period.
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Wed Feb 15, 2017 7:37 pm

I have a breakthrough, I managed to find an emmc with Ubuntu Mate on it and it worked. it booted immediately and the blue led started to blink.
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Re: Odroid C2 doesn't boot after the first restart

Unread postby odroid » Wed Feb 15, 2017 7:40 pm

So your PSU and C2 seem to be fine.

Did you use "VERIFY" button when you flash the OS image on your SD card?
http://odroid.com/dokuwiki/doku.php?id= ... diskimager
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Wed Feb 15, 2017 7:43 pm

yes was verified. I think the problem is the micro sd card slot if on emmc works fine
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Re: Odroid C2 doesn't boot after the first restart

Unread postby odroid » Thu Feb 16, 2017 10:40 am

Try FFT and SD-Formatter on your SD card.
http://odroid.com/dokuwiki/doku.php?id= ... e_shooting

Boot from the eMMC and plug the SD-formatted SD card and let me know what happen.
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Thu Feb 16, 2017 3:49 pm

doesn't work. the micro sd card slot is like doesn't receive power. it's like it doesn't exist. I've sent the odroid in warranty
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Re: Odroid C2 doesn't boot after the first restart

Unread postby odroid » Fri Feb 17, 2017 11:59 am

Agreed.
Contact "odroid at hardkernel dot com" with a link of this thread.
She will help your RMA process if you purchased the board from us directly.
Otherwise contact your local distributor.
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Re: Odroid C2 doesn't boot after the first restart

Unread postby ragaman » Fri Feb 17, 2017 4:35 pm

thanks a lot for the help
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