Hibernate mode (select models only) puts the computer into a deeper sleep, with more energy savings. In Hibernate mode, all peripheral power shuts down and all data is saved to your hard drive. Upon awakening, the data is restored to where you were in the last session. This process takes a little longer than awakening from Sleep mode (but less time than if you had shut down), and is considered a safer state for data.
You can put the computer into Sleep mode several ways. Press the Power/Sleep button on the top right of the computer, press the Sleep button on remote control, or press the Sleep button on the upper left of your keyboard.
Or
Tap the Start button, tap the Arrow button next to the Shut Down button, and then select Sleep or Hibernate.
To change power settings:
1Tap the Start button, and then tap Control Panel.
2Tap Hardware and Sound.
3Tap Power Options.
4Choose a power option.
Power options include settings that determine when the computer sleeps or hibernates, and the ratio you want of overall energy savings versus performance.
Turning off the monitor for power savings
If you are leaving for some time but want to keep the computer running, you can turn off the monitor for further power savings.
Press the Function (Fn) key, and simultaneously press the F9 key to turn off the monitor. The computer continues to run.
Press Fn + F9 again to turn the monitor on again.
Adjusting Screen Display
Adjust screen display features using the Control Panel:
1To make adjustments to your screen, tap the Start button, tap Control Panel, and then tap Appearance and Personalization.
2Choose an option to change the look of your desktop.
You can choose to change the desktop background or the screen saver. There is an option to turn high contrast on or off, and various options to accommodate low vision, and more.
To change the screen brightness using the keyboard:
Press the Fn key on the keyboard, and simultaneously press the F10 key to reduce screen brightness.
Press the Fn key, and simultaneously press the F11 key to increase brightness.
To turn off the monitor from the keyboard:
Press the Fn key, and simultaneously press the F9 key to turn off the monitor if you are leaving for some time. The computer continues to run; this is a
Press Fn + F9 again to turn the monitor on again.