I had an 8 GB SD card with Arch ARM installed. I couldn't get the WiFi to work, so I wanted to reinstall via NOOBS. Since then, I've deleted all of the Arch files and extracted the NOOBS ones in their place, which didn't work. I've also messed around with
gparted (formatting everything to FAT32), and cleared every partition using
sudo dd if=/dev/zero of=/dev/sdbN for every
Every time I plug in the power cable, all I see is the red
PWR LED turning on. Any idea why it's not booting, and how I can fix that?