HDMI does not work after upgrade.

I have two Raspberry pi and recently purchased a Pi Face Digital. The software for the Pi Face did not seem to be loaded, so I updated and upgraded the Raspin.

After I upgraded and rebooted the HDMI does not work and composit video works but is wierd. I gave typed HDMI_safe=1 with no change. I am using the HDMI input on an ETC TV that worked okay.

Any suggestions?

Answered Message was edited by: Robert Ladd

Former Member over 12 years ago

suggest try downloading the OS again, and do
   apt-get update
   apt-get upgrade
   rpi-update
one at a time to see which step causes it to fail.
The last step is the most bleeding edge risky.
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rbladd over 12 years ago

Got it to work by editting the config.txt file.
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mgt6910 over 12 years ago in reply to rbladd

Now you've got my attention ! What changes did you make ?
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rbladd over 12 years ago in reply to mgt6910

At the Raspberry prompt I entered sudo nano /boot/config.txt

In the file I first uncommented hdmi_safe=1 which sometimes worked

Then I uncommented hdmi_force_hotplug=1 and that seems to consistantly work
because somehow the upgrade gave me composit video in a large font.

After any change use cntlo, then enter to save to config.txt and cntlx to
exit.

At the prompt enter sudo reboot the restart with the new changes.

good luck

Message was edited by: Robert Ladd Problem solved
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wallarug over 12 years ago in reply to rbladd

For fixing the composite out use the following instructions:

http://www.element14.com/community/thread/18205?tstart=0

Otherwise, if this is solved. Mark as so please.
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Former Member over 12 years ago

my config has only the following "active" lines in it (the rest are comented out) when i only had the "framebuffer_" values i had issues with the display looking "odd" this may be what your seeing. the HDMI mode forces the VGA to work corectly, i did notice however that with certian distributions these settings are not needed as there default startups contained this information outside of the config file.

framebuffer_width=1024
framebuffer_height=768
console-width=1024
console-height=768

# uncomment to force a specific HDMI mode (this will force VGA)
hdmi_group=1
hdmi_mode=16
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