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Having difficulty with the monitor displaying anything other than black and white lines, even after changing the config.txt file in the latest version of NOOBS in os/Raspian/boot/config.txt according to guidelines: https://learn.adafruit.com/adafruit-5-800x480-tft-hdmi-monitor-touchscreen-backpack/raspberry-pi-config.

I am using a Raspberry Pi 2 Model B. The usb power and hdmi cables for the monitor are from Adafruit, and are very short. the power supply is a NorthPada USA Micro USB Mains Power Wall Supply Charger 5V 2000mA.

Both a mac-formatted SD card and the Raspberry Pi pre-installed card had the same effect, so I don't believe it is a card issue. The monitor listed above is also the second monitor that I tried, so I've also ruled out the monitor as the problem.

The ACT light flickers but not for an extended period of time, and not in a particular pattern.

current monitor display

Matt
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1 Answers1

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I have learned that the problem was due to a problem with the HDMI hardware on the board. Apparently there was a bad batch at the factory.

I am unable to use an external monitor on this board, but otherwise it is functional and I have been able to program it using SSH.

Matt
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