More Than a Hobby..

unable to mount root fs on unknown-block(179,2)

No filesystem could mount root, tried: ext4
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (179,2)

sudo fsck.ext4 -fy /dev/sdc2


need the init file editing to force the HDMI TV o/p. 

I opened (in windows) the SD cards and edited the config.txt file. I added the following line