Android no signal after splash screen

Post Reply
Agiltohr
Posts: 8
Joined: Fri May 29, 2020 11:19 pm
languages_spoken: english
ODROIDs: Odroid C4
Has thanked: 0
Been thanked: 2 times
Contact:

Android no signal after splash screen

Post by Agiltohr » Fri May 29, 2020 11:40 pm

Hi!
I have an issue with my Odroid C4. I get the Hardkernel splash screen but then nothing happens. The system indicator LEDs are constant red (= power works) and hearbeating blue (= kernel works). I use a 32GB eMMC module that had the OS flashed by Hardkernel but also tried manually flashing the newest version, an older version (507) as well as the Android 10 Lineage OS alpha by voodik. All of them produce the same issue of splash screen but no signal after it. The bluetooth module is flashing in blue, though, so it seems to be booted up, just the image is not sent.
I've tried using a 1440p monitor and 1080p projector.
Any ideas what I could be doing wrong?

Edit: Also doesn't work with Ubuntu MATE or if I use the SD Card instead. Same issue. Although with Ubuntu MATE there isn't even a splash screen.

Luke.go
Posts: 505
Joined: Mon May 30, 2016 1:55 pm
languages_spoken: english
Has thanked: 52 times
Been thanked: 53 times
Contact:

Re: Android no signal after splash screen

Post by Luke.go » Mon Jun 01, 2020 9:30 am

Can you edit a file on your eMMC card?
Please try to edit the env.ini file. You can access it by connecting eMMC to your PC.
then, edit like a below.

Code: Select all

...
hdmimode="1080p60hz" -> hdmimode="2560x1440p60hz"
...
display_autodetect="true" -> display_autodetect="false"
...
And retry the booting.

Agiltohr
Posts: 8
Joined: Fri May 29, 2020 11:19 pm
languages_spoken: english
ODROIDs: Odroid C4
Has thanked: 0
Been thanked: 2 times
Contact:

Re: Android no signal after splash screen

Post by Agiltohr » Mon Jun 01, 2020 11:07 am

Luke.go wrote:
Mon Jun 01, 2020 9:30 am

Code: Select all

...
hdmimode="1080p60hz" -> hdmimode="2560x1440p60hz"
...
display_autodetect="true" -> display_autodetect="false"
...
Thanks, Luke. I've tried this but still have the same issue.

Agiltohr
Posts: 8
Joined: Fri May 29, 2020 11:19 pm
languages_spoken: english
ODROIDs: Odroid C4
Has thanked: 0
Been thanked: 2 times
Contact:

Re: Android no signal after splash screen

Post by Agiltohr » Wed Jun 03, 2020 8:49 pm

The touch monitor I ordered came today and the C4 seems to be able to connect to it. I have no idea what the issue was but just for future people who might try it: LG 27Gl850 didn't work (and the projector I was talking about might have been 720p) but the iiyama ProLite T2454MSC-B1AG does work (with touch, out of the box).

Agiltohr
Posts: 8
Joined: Fri May 29, 2020 11:19 pm
languages_spoken: english
ODROIDs: Odroid C4
Has thanked: 0
Been thanked: 2 times
Contact:

Re: Android no signal after splash screen

Post by Agiltohr » Tue Jun 30, 2020 7:00 am

Update: The LG 27GL850 does work but you have to enable HDMI compatibility mode in the OSD settings. Changing the boot.ini (or whatever the file is called) is not necessary, you can leave it at "1080p60hz" and autodetect on true. By the way, IR touch frame overlays do work as well out of the box, with multi-touch support.
These users thanked the author Agiltohr for the post:
odroid (Tue Jun 30, 2020 9:33 am)

Post Reply

Return to “Android”

Who is online

Users browsing this forum: No registered users and 1 guest