Has anyone encountered the following problem:
Jupiter hashing away happily on 0.98 getting a very stable 560GH/s at the pool with case on and all fans on (i.e. as it was designed - temps stable between 60-70)
Then suddenly, after 6 days i found it had stopped hashing (luckily i caught it after two hours only).
I rebooted via the web portal
No other changes at all.
Now hashing at ~515GH/s after 24 hours, everything else exactly unchanged.
Very strange. Any ideas guys? how can i get back to where i was in terms of hashrate?
Tip on offer for a fix
EDIT: I forgot to add that after 24 hours I did a full power cycle i.e. switched off at the PSU for 5 mins then switched back on, then in the web portal i rebooted it just for good measure. Still at 515GH/s at the pool after another 10 hours....