Sleep

Start the PC, after a couple of minutes on the monitor start to run Murashi then or screen capture, or the monitor goes into sleep mode, the system continues to work, audio does not work correctly, when you restart the computer or the repetition of a process, or monitor immediately is in sleep mode, will stand a week without power a couple of days everything works well, then again, this hat, the hard drive recently completely cleaned, the Windows and the wood is all new, PC 2012 Sobieraj, tell me how to treat