Step 1: Enter Advanced--> Wakeup Event Setup
Step 2: Set Resume By RTC Alarm to enabled
Step 3: Enter the desired wakeup time to Time(hh)Alarm and Time(mm)Alarm like in this case set Time(hh) as 9
Step 4: F10 to save the setting of BIOS and enter OS
Step 5: Shutdown down the system from OS