Ok before you do all that try this.
Go to settings, set to custom miner mode.
Set voltage to 777mv, and keep frequency at 598 (eco).
Because this movie quote just says it all....
https://www.youtube.com/watch?v=hl8e9i6YiA8&feature=youtu.be&t=21New issue, massive discards, 95%+ HW error.
Once again, on both secdsm pool and litecoin pool.
-Dave
Hmmm very weird. Keep these settings, and do a full system shutdown, unplug from power, then start it up again.