The mining equipment is broken and can be repaired by yourself. This tutorial is very good.

The problem, wutao32, is you have already posted this and keep reposting the exact same thing.
Nothing has changed so why do you need 3 posts about the same video?

https://forums.prohashing.com/viewtopic.php?f=16&t=5998&p=22624#p22624

This was covered a week ago and you keep reposting threads to try and get more new views?