Only Red ligth.... But sometimes starts

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Gabysantof
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Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Mon Jun 17, 2019 11:32 pm

Hello.
First to all sorry my english is to bad...
I have an odroid xu4 since may 28.

I have an sd memory scandisk class 10 and i try to install recallbox. Some times the system starts fine but some times I can't boot the system. The odroid only shows the red light constantly and the power button does nothing. The odroid switch is ok in the sd mode. The power botton does not respond to power on and boot... but I know that the button works ok becouse when the system starts (in any try) I can shutdown on with this button...
The power suply out is 5v and 4A.

I'm very worry becouse I'm from Argentina and I can't back this product becouse I buy in a treavel to USA.

I hope an anwer very soon. Pleaseee :shock:

Thanks in advance
Gabriel

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Re: Only Red ligth.... But sometimes starts

Unread post by mad_ady » Mon Jun 17, 2019 11:55 pm

You should try with a different sd card and maybe a different power supply. Which image are you using?
Does it boot every time when you unplug/replug it?

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Tue Jun 18, 2019 12:31 am

Hello.
Thanks for the reply!!!

The image is this
https://archive.recalbox.com/ --> Select the Odroid xu4 of of course
And I use
https://www.balena.io/etcher/ to flash the sd card
I tried with other sd card to but is the same model...

And when I get to boot I directly plug in the power suply, never starts with the power on/off button.... but many times when I plug the power suply only turn on the red light... is very
frustrating and confusing...
Thanks again!!
Gabriel

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Re: Only Red ligth.... But sometimes starts

Unread post by mad_ady » Tue Jun 18, 2019 1:37 am

To rule out any hardware issue, can you try to flash a different image, like ubuntu or debian? On first boot ubuntu shuts down.

There might be some limitations regarding the power button. Check the wiki for details.

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Tue Jun 18, 2019 2:05 am

I Tried also with this with image "ubuntu-14.04.1lts-lubuntu-odroid-xu3-20140814.img.xz"
downloaded from https://wiki.odroid.com/odroid-xu4/os_i ... 4/20181203
With this image never boot.... I will cry... :(
I think that I need to try a difertent power suply, I need to get one.... I only have another of 5.5v output and 1A... Can I tried with this?

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Re: Only Red ligth.... But sometimes starts

Unread post by AreaScout » Tue Jun 18, 2019 2:54 am

Gabysantof wrote:
Tue Jun 18, 2019 2:05 am
I Tried also with this with image "ubuntu-14.04.1lts-lubuntu-odroid-xu3-20140814.img.xz"
downloaded from https://wiki.odroid.com/odroid-xu4/os_i ... 4/20181203
With this image never boot.... I will cry... :(
I think that I need to try a difertent power suply, I need to get one.... I only have another of 5.5v output and 1A... Can I tried with this?
Try to disconnect any USB peripherals i.e external hard disk, USB-Stick, Gamepad/Joypad those can pull to much power and prevent your board from booting, always connect high power peripherals to an external powered USB-Hub

RG

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Tue Jun 18, 2019 3:29 am

I only was connected a keyboard to the usb 2.0 or 3.0 port.
I tried also without connecting anything.... only the sd card, the HDMI out and the power suply and the result is the same... :(
Thanks.
Gabriel

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Tue Jun 18, 2019 3:50 am

One more thing... when you said

"To rule out any hardware issue, can you try to flash a different image, like ubuntu or debian? On first boot ubuntu shuts down." ---> Yesss. In my other sd card I Tried again with the ubuntu image and on the first boot ubuntu shut down.
¿¿Is this ok??

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Re: Only Red ligth.... But sometimes starts

Unread post by odroid » Tue Jun 18, 2019 9:10 am

Please try this latest image with Etcher as it is. Don't extract it to an img file.
ubuntu-18.04.1-4.14-mate-odroid-xu4-20181203.img.xz

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Tue Jun 18, 2019 12:30 pm

Thanks.
Sorry, with my nerves I wrote the name of another file above. That same one I tried, even the system boot ok once.
Was downloaded from here:
https://wiki.odroid.com/odroid-xu4/os_i ... 4/20181203

I think the problem could be the power suply. I have measured it with a tester and it gives 5.2v output. I would not know how to measure the amperage because the measurement must be taken in a series circuit and I need to cut the cable I think....

The power suply is exacly like this
https://www.hardkernel.com/shop/5v-4a-p ... us-plug-2/

it was purchased in conjunction with the odroid xu4.
Gabriel

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Re: Only Red ligth.... But sometimes starts

Unread post by mad_ady » Tue Jun 18, 2019 12:36 pm

The power supply should be fine. The automatic shutdown on first boot is normal too.
What capacity sd cards do you have? Are you sure they're not fakes? Large fake cards get corrupted after filesystem resize and fail to boot afterwards.

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Tue Jun 18, 2019 12:58 pm

mm.mmm I have two sd cards
One Scandisk class C10 and a Kingston class C10 to like this:
https://www.storagereview.com/kingston_ ... ard_review
One is of 32gb and the another of 16gb.
When I made the system starts I have a lot of free space..... I don't think that both cards have errors...
When I get the link of the blue light so boot and runs everything ok (and all system works great... I tested the recallbox and now the ubuntu).... but make the system starts could take maybe 20 plug and unplug power source...... is terrible...
Gabriel

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Re: Only Red ligth.... But sometimes starts

Unread post by odroid » Tue Jun 18, 2019 1:45 pm

Did you shutdown the system properly with "poweroff" command on the terminal?
Is the blue LED off after shutdown?

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Tue Jun 18, 2019 8:46 pm

yes, every time I was able to start the system by turning it off only the red light was on, but it was impossible to turn it on again....

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Re: Only Red ligth.... But sometimes starts

Unread post by mad_ady » Wed Jun 19, 2019 12:41 am

If you have a different linux system around, can you fsck both partitions on the sd card and also check yhat the boot.ini/dtb/initrd and Image files are not truncated?
If you boot the initial image with no network connected and restart it, does it run? This to rule out any incomplete package updates.

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Wed Jun 19, 2019 5:35 am

thanks mad_ady

When installing the recalbox I put the sd card in a linux notebook to upload some games and the unit and the files look good in the sd card.
I was able to copy the roms files without problems in the forlders of the recalbox.

When the initial image of the ubuntu could starts.. the network-cable was unplugged. I plug in and the system take an IP great. I was able to surf the internet and the system download the upgrades but I deny the installation.

The problem is to strange... when I get start the boot all work perfect... but if I turn off then I can't turn on again.... Thats why I thought an power source problem.... but when I measured the voltage of the output it was ok on 5.2v....
I tested 2 class 10 cards (Kingston of 16gb and Scandisk of 32 gb)

I tested the continuity of electricity in the switch of the SD or Emmc card to with a multimeter and is ok to!!
I do not have many more ideas :(

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Re: Only Red ligth.... But sometimes starts

Unread post by odroid » Wed Jun 19, 2019 9:54 am

Please measure the voltage between 5V0 and GND on the 30pin header with a DMM while the system boots.
https://wiki.odroid.com/odroid-xu4/hard ... _2x15_pins
It must be stable at 4.8~5.2Volt.

Can you also post the outputs when you run the system update commands?
https://wiki.odroid.com/odroid-xu4/os_i ... st-upgrade

"dmesg" output also must be helpful to know whether your root file system or SD card has good health or not.

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Wed Jun 19, 2019 9:26 pm

I Finally found a pattern of behavior ....
If I connect the power source to the 220v (the input value in Argentina) for the first time and connect it to the odroid the system boot ok without problems.
If I turn it off, I can not turn it on again.
I must disconnect the power source from the wall and wait 4 or 5 hours. After that I can reconnect the powe source again and the odroid boot ok again.

Please measure the voltage between 5V0 and GND on the 30pin header with a DMM while the system boots. ---> I'm going to try that. the DMM must be between pin 1 (5v) and pin 30 (earth) right?
Gabriel

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Re: Only Red ligth.... But sometimes starts

Unread post by mad_ady » Thu Jun 20, 2019 1:59 am

Yes, make sure you don't accidentally short them.
5h is too much time for capacitors to discharge. Sometimes power can flow from the tv through the hdmi cable (faint red led is on even with power removed). Make sure to disconnect that as well.

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Thu Jun 20, 2019 9:19 am

I try with a new power source and a new SD Card Scandisk Ultra 32gb and is the same....
I forget made the measure of the pins and I shutdown the odroid..... now I must weith 4-5 hours aprox to turn in on again.....
Gabriel.

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Re: Only Red ligth.... But sometimes starts

Unread post by phaseshifter » Thu Jun 20, 2019 12:47 pm

try not to use kingston ...your power upply is rather cheap...Chinese i would say..
check the voltage at pin one of the 30 pin connector for 5 volts while it`s running,,,

it is located closest to the fan and the usb 3 port...

if it drops below 4.8 then you have to much voltage drop and the power supply is not sufficient

i cannot get a clear view of its specs and the amps output etc..etc..
..and yes pls use the sandisk sd-card

pls use the ubuntu image as odroid stated so we can diagnose the issues .
..pls use etcher to flash the sd-card
Build It And They Will Come...Be Bold And Mighty Forces Will Come To Your Aid..!!!

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Sun Jun 23, 2019 11:29 am

I tried to make the measurement but when I touch pin 1 and the last pin the equipment turns off automatically.
I am doing something wrong?
I could turn it on without problems later ... (always waiting for 4 or 5 hours)
I'm really tired... I'm really tired of this ... it should not happen under normal conditions.... I tried 3 SD cards, 4 different images, 2 power sources.... and and hundreds of tests....
Can not it be a hardware issue?
Gabriel

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Mon Jun 24, 2019 9:01 am

After many messages without finding a solution I finally removed the fan to check if there was something strange.
I took a picture and I can see that there is a dark area. I think the problem is there. In addition I see to much thermal paste... I don't know if this could be a problem to.
The question is now, what can I do? It was brought from the US and the shipping costs are greater than what a new odroid....

Here I put the link of the picture:

https://subefotos.com/ver/?5ab2a01224af ... 40ed9o.jpg


Gabriel

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Re: Only Red ligth.... But sometimes starts

Unread post by odroid » Mon Jun 24, 2019 11:42 am

We've applied the expensive epoxy glue(under-fill process) under the CPU for all of ODROID boards for better reliability and the dark area is very normal.
For example,
viewtopic.php?t=18698#p141127
viewtopic.php?f=135&t=32437&p=235391#p235391

I think you have a floating ground issue in your AC outlet since you board could turn on immediately when you touch the pin of 30pin header.
Can you try other well-grounded AC outlets ?

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Mon Jun 24, 2019 12:54 pm

mm..mm nope....
I have already connected it to several AC outlets. I've even taken it to my work and connected to a stabilized line. thanks for clarifying abaut the dark area. I imagined that there could have been an electric shock there.

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Thu Jun 27, 2019 5:20 am

ok.... Finally.... after 4 or 5 last satisfying boots the odroid is not working anymore.
I tried to format the SD card one more time but there was no result.....

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Re: Only Red ligth.... But sometimes starts

Unread post by odroid » Thu Jun 27, 2019 9:05 am

Was there no red LED light?

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Re: Only Red ligth.... But sometimes starts

Unread post by Gabysantof » Thu Jun 27, 2019 12:03 pm

The red light is still turn on. Like always.. But now I can't boot anymore...
Before works if I let the power source unplugged 4 or 5 hours.. But now does not work.

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