when i going out to any where the pc go temporaverly sleep after comes 1 hour later the pc in sleep mode but not back to login screen only cpu light turn on but the moniter in sleep mode no visual and i force shutdown ( hold power button) pc will shutdown. then turn on the pc it will boot up but my last work or last activity is gone. help me. if the system log need for this compliant tell me how to take logs i will take the pc log and i will submit it.