I'm running Raspbian from NOOBs. I actually found the problem, and it displays now. hdmi_force_hotplug=1 appears twice, once by default and one generated by NOOBs. I only commented the first one. However, the resolution is so large that it's impossible to use, and I am now getting an I/O error when ...

I recently got a Raspberry Pi, and have set it up with everything I need besides a display. I have two displays, one HDMI, one RCA. I need to use the RCA output, but despite me unplugging HDMI and making sure the correct settings are set in config.txt, it still insists on using the HDMI and will not...