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 power-saving feature.

￿Press Fn + F9 again to turn the monitor on again.

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HP 575611-001, NY539AA manual Adjusting Screen Display, Turning off the monitor for power savings
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575611-001, NY539AA specifications

The HP NY539AA, also known by its part number 575611-001, is a high-quality power adapter designed to provide reliable power for various HP notebook models. This product stands out due to its combination of performance, safety features, and user-friendly design, making it an essential accessory for those who own compatible HP laptops.

One of the main features of the HP NY539AA is its output power capability. It is capable of delivering up to 90 watts of power, ensuring that your notebook receives sufficient energy for optimal performance. This is particularly beneficial for power-intensive tasks such as gaming, video editing, and running multiple applications simultaneously. The adapter is engineered with smart power management technology, which automatically adjusts the output to match the requirements of the connected device, enhancing efficiency and battery health.

Complicated power connections are a thing of the past, as the HP NY539AA boasts a straightforward design with a durable connector. This connector is built to withstand frequent use, minimizing the risk of wear and tear over time. Moreover, the adapter includes a built-in LED indicator light that provides at-a-glance information about the power status, letting users know when their device is charging or fully powered.

Safety is another crucial aspect of the HP NY539AA. It incorporates essential protection features such as over-voltage protection, over-current protection, and short-circuit protection. These technologies safeguard both the adapter and the connected laptop from potential power surges and electrical malfunctions, ensuring that users can charge their devices with peace of mind.

In terms of portability, the compact and lightweight design of the NY539AA makes it an excellent travel companion. Whether you’re moving from room to room at home or traveling for work or leisure, it easily fits into a laptop bag without taking up much space.

Compatibility plays a significant role as well, as this adapter works seamlessly with various HP laptops, enabling users to power or charge their devices without hassle.

Overall, the HP NY539AA, 575611-001 is a robust and dependable power adapter that combines power, safety, and convenience, making it a worthwhile investment for any HP laptop owner looking to ensure their device remains powered and ready for use at all times.
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