cannot mine and stop mining eth yesterday. the end..

What pool are you using ? Did you tried to disconnect your miner from power source for a few minutes ,then restarting .. Thats might help..
Dont ask me why

... just try and be patient , its might take over a hour to start mining again
i am using Ethermine. What pool u r using? i didnt disconnect miner from power source. I will try it. Thanks