This section details some of the common issues you may encounter while building this project and the steps to be taken to resolve them.
For issues not listed here, check either the log files in the /home/pi
directory (and its subdirectories) or the Chromium (or Google Chrome) developer console.
This can be caused by a variety of reasons. More information as to the cause of the problem will be available in the /home/pi/mirror_webapp/mirror_app.log
log file.
Some of the common issues that are likely to cause this are:
There can be issues with the usage of certain HDMI to VGA adapters with the Pi. Edit the /boot/config.txt
file and uncomment the following line:
hdmi_force_hotplug=1
This forces the Pi to output the video on the HDMI output even if it fails to detect a device connected to it.
If you still have problems after this, then there is likely an issue with the power supply you are using to power the Pi. Since HDMI to VGA adapters also draw power, a larger USB power supply (preferably capable of outputting up to 2 A) is needed to perform stable operations.
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