Sleep and hibernation allows you to save on power when computer is not under active use. You can easily put Windows PC to sleep or hibernation when moving away for sometime. When you come back, you can wake up Windows PC from sleep or hibernation state at a click of button. There are different ways to wake up PC from sleep mode.
Wake up & resume PC from sleep mode
You can use either of following method to resume PC from sleep or hibernation state.
1. Press any key on the Keyboard.
2. Press computer Power button.
3. Move or click middle button on the mouse.
4. Open the laptop lid to wake up portable.
Also, you can check computer manufacturer documentation for special procedure to wake up Windows PC. Ideally, pressing any key on the keyboard wakes up PC in majority of cases.