Installing a Security Lock

A security lock (sold separately) enables you to secure your computer from theft and unwanted changes. A security lock is a key lock device that has a wire cable attached. You attach one end of the cable to your desk (or other stationary object) and the other to this security slot on the computer. Secure the security lock with the key.

Cleaning the HP TouchSmart PC Screen

Before cleaning the touch screen, you must disable it by turning off the computer. If the computer is not turned off, the touch screen is enabled, and you could lose data while cleaning it.

For optimal touch performance, the HP TouchSmart PC screen requires periodic cleaning to remove any particles on the sides and surface of the screen. The touch screen has a glass surface that can be cleaned by using the cleaning cloth that came with your HP TouchSmart PC. You can also use a soft cloth or paper towel dampened with a typical household glass cleaner to clean the touch screen.

To achieve the best touch sensitivity, keep the screen clean from foreign objects. Avoid excessive dust accumulation on all sides and edges of the screen.

To clean the touch screen:

1Turn off the computer. Tap the Start button, and then tap Shut Down.

2Disconnect the power cord from the wall.

3Spray a small amount of a mild glass cleaner onto the cleaning cloth that came with your

HP TouchSmart PC. You can also use a soft cloth or paper towel dampened with a typical household glass cleaner to clean the touch screen.

4Wipe the surface and each side of the touch screen to remove any dirt, fingerprints, or other debris that could hinder the touch recognition of the screen.

CAUTION: Do not spray or place the cleaner directly on the screen; spray the cleaner into the cloth, and then wipe the sides and surface of the touch screen.

Do not use an abrasive cleaner or cloth when cleaning the sides or the surface of the screen, because this could cause damage to the touch screen.

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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.