It can be hard to tune your system, but if you build your rig with usual components, that is the ones that appear on guides, it is very easy to get running. We didn't make the right choice for our GPU's and suffered a bit at the start.
Check the litecoinmining subreddit, there's a lot of information there and the community is very helpful.
Check the litecoinmining subreddit, there's a lot of information there and the community is very helpful.