XU4 VU7+ Red Screen

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XU4 VU7+ Red Screen

Unread postby rastafouille » Thu Mar 02, 2017 11:48 pm

Hello,
I just purchase XU4 and VU7+ screen and install Ubuntu MATE 16.04.2 LTS.
Everything fine with normal screen, but when i connect the VU7+ with goog boot.ini configuration, ir's really red !!
kernel seems good too, 3.10.103-124
I didn't find solution...
thanks for your help
jeremy
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VU7+ red screen
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Re: XU4 VU7+ Red Screen

Unread postby odroid » Fri Mar 03, 2017 10:32 am

Did you enable "DVI" mode in the boot.ini file?
Also try other HDMI cables to narrow down root causes.

Update the system including "dist-upgrade" to have the latest kernel.
http://odroid.com/dokuwiki/doku.php?id= ... st-upgrade
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Re: XU4 VU7+ Red Screen

Unread postby rastafouille » Mon Mar 06, 2017 5:22 pm

Hello,
Yes, DVI mode activated : < setenv vout "dvi" >
no change with other HDMI cable ...
I updated the kernel : linux odroid 3.10.104-134 no change...
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Re: XU4 VU7+ Red Screen

Unread postby odroid » Tue Mar 07, 2017 11:54 am

Please connect the display to a PC/laptop to narrow down the root causes.
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Re: XU4 VU7+ Red Screen

Unread postby rastafouille » Wed Mar 08, 2017 4:53 pm

When i connect it to PC screen, commenting boot.ini, that's work fine...
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Re: XU4 VU7+ Red Screen

Unread postby odroid » Wed Mar 08, 2017 7:25 pm

Ok. The Vu7+ is okay at least.
Please connect the XU4 to a normal 1080p HDMI monitor and let me know the result.
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Re: XU4 VU7+ Red Screen

Unread postby rastafouille » Thu Mar 09, 2017 10:43 pm

When i connect XU4 to a normal 1080p HDMI monitor, commenting boot.ini, that's work fine
When i connect Vu7+ to a laptop, that's work fine too ...
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Re: XU4 VU7+ Red Screen

Unread postby odroid » Fri Mar 10, 2017 10:03 am

In that case, the HDMI cable or software configuration could be a root cause.

Did you use the same HDMI cable with your laptop?
Can you show me your full boot.ini file?
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Re: XU4 VU7+ Red Screen

Unread postby rastafouille » Fri Mar 10, 2017 4:28 pm

yes, same HDMI cable
VU7+ + Laptop --> boot(1).ini
VU7+ + XU4 --> boot(2).ini
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boot(2).ini
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boot(1).ini
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Re: XU4 VU7+ Red Screen

Unread postby odroid » Fri Mar 10, 2017 5:19 pm

I couldn't find any wrong item in your boot.ini files.
It is really weird.

Please try to update the kernel with sudo apt update && sudo apt upgrade && sudo apt dist-upgrade and reboot.
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Re: XU4 VU7+ Red Screen

Unread postby rastafouille » Fri Mar 10, 2017 11:17 pm

still red ....
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Re: XU4 VU7+ Red Screen

Unread postby odroid » Sat Mar 11, 2017 11:38 am

Do you have any other HDMI cable to try?

If it doesn't help, we need to investigate what causes the strange problem.
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.
You have to send the display and XU4 together.
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Re: XU4 VU7+ Red Screen

Unread postby rastafouille » Mon Apr 10, 2017 6:59 pm

Problem solved, replacing odroid board !
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