Raspberry Pi Lab

Tag: monitor

More On The /boot/config.txt File

by on Dec.29, 2013, under Installation, Troubleshooting

Well, I have the /boot/config.txt file working!

Once I figured out the problem was the /boot/config.txt, I knew I could go back to my original plan of using Occidentalis on the RPi.  So I re-flashed an 8Gb SD card with the Occidentalis image and mounted it on my laptop.

Navigating to the /boot/config.txt file, I made the following changes…

disable_overscan=0
hdmi_force_hotplug=1
hdmi_group=2
hdmi_mode=46
hdmi_drive=2
config_hdmi_boost=4

Obviously, there is more in the file than that, but you don’t need me to post all the comment lines.  These are the lines that are left after removing all comment lines.

BE CAREFUL…Read the documentation for your specific monitor AND check out the config.txt resource link I posted in my previous article.  The group and mode lines are specific to your monitor’s resolution and timing.   See that previous article here.

 

 

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Confused?

by on Dec.27, 2013, under Installation, Troubleshooting

So I tested the HDMI output on the RPi by connecting it to the HDMI cable coming from one of the regular computers to a television.  There is nothing wrong with the RPi.

Re-tested the HDMI to VGA converter on the same television and it works also.

Recall, from my previous posts, I already tested the monitor on the iPad’s VGA adapter.

So if the RPi works and the HDMI converter works, and the VGA cable works, and the monitor works, then why don’t they all work together?

Back to the thinking box!

 

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