NOTE: Check a stored battery every six months. If the capacity is less than 50 percent, recharge the battery before returning it to storage.

Calibrate a battery before using it if it has been stored for one month or more.

Disposing of a used battery

WARNING! To reduce the risk of fire or burns, do not disassemble, crush, or puncture the battery. Do not short external contacts. Do not dispose of the battery in fire or water.

For more information, see the Regulatory, Safety and Environmental Notices included with this computer.

Replacing the battery

Computer battery life varies, depending on power management settings, programs running on the computer, display brightness, external devices connected to the computer, and other factors.

Battery Check notifies you to replace the battery when an internal cell is not charging properly, or when the battery storage capacity has reached a weak condition. A message refers you to the HP website for more information about ordering a replacement battery. If the battery is covered by an HP warranty, instructions include a warranty ID.

NOTE: HP recommends purchasing a new battery when the storage capacity light illuminates green- yellow.

Switching between graphics modes (select models only)

The computer is equipped with switchable graphics and has two modes for processing graphics. When switching from AC power to battery power, the computer switches from High-performance mode to Power-saving mode to conserve battery life. Similarly, when switching from battery power to AC power, the computer switches back to the High-performance mode.

NOTE: In order to optimize computer performance, the system might not allow switching modes, or prompt you to switch modes. It might be necessary to close all programs before switching.

NOTE: HDMI only works in the High-performance mode. HDMI cannot be used in Power-saving mode.

When switching between AC and battery power, you are notified that the computer is about to switch graphics modes. If you prefer, choose to continue using the same graphics mode. While the computer switches modes, the screen goes blank for a few seconds. When the switch is complete, a notification appears in the notification area, and the screen image reappears.

NOTE: When select computer models are in slate mode, the screen orientations are reset when switching between graphics modes.

To determine which graphics mode you are using, right-click on the Windows desktop, and then click Configure Switchable Graphics or Configure ATI PowerXpress™.

Shutting down the computer

CAUTION: Unsaved information is lost when the computer shuts down.

NOTE: If the computer is in the Sleep or in Hibernation, exit Sleep or Hibernation before shutting down.

The shut down command closes all open programs, including the operating system, and then turns off the display and computer.

46 Chapter 5 Power management

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HP WQ861UA Switching between graphics modes select models only, Shutting down the computer, Disposing of a used battery

WQ861UA, dm4 1060us specifications

The HP dm4 1060us, identified by the model number WQ861UA, is a versatile and compact laptop that was designed to cater to a wide range of users, from students to professionals. Launched as part of HP's Pavilion series, this notebook combines performance, aesthetics, and portability, making it a popular choice for users who need a reliable computing device on the go.

One of the standout features of the HP dm4 1060us is its sleek and stylish design. The laptop is encased in a brushed aluminum chassis, providing not only a modern look but also durability against everyday wear and tear. The 14-inch display strikes a balance between portability and usability, offering a resolution of 1366x768 pixels, which allows for excellent clarity and vibrant colors, making it suitable for both work and leisure activities.

Under the hood, the HP dm4 1060us is powered by Intel's Core i5 processor, offering solid performance for multitasking and handling various applications simultaneously. With 6GB of RAM, the laptop ensures smooth operation even with numerous browser tabs open or when running demanding software. The presence of a dedicated AMD Radeon graphics card further enhances visual performance, making it capable of handling casual gaming and graphic-intensive tasks.

Storage-wise, the HP dm4 1060us is equipped with a 750GB hard drive, providing ample space for files, applications, and media. This capacity is ideal for users who require significant storage without the immediate need for external solutions. The laptop's battery life is also commendable, with the ability to last several hours on a single charge, making it convenient for users on the move.

A noteworthy aspect of the HP dm4 1060us is its connectivity options, which include multiple USB ports, HDMI output, and an integrated card reader. These features allow users to connect to various devices and peripherals seamlessly. Additionally, the laptop comes with an HP TrueVision HD webcam, which ensures decent quality video for online meetings and communication.

In terms of software, the HP dm4 1060us typically runs on Windows operating systems, offering users access to a wide range of applications and tools to enhance productivity. Overall, the HP dm4 1060us, WQ861UA, stands out with its blend of performance, functionality, and portability, making it a worthy contender in the laptop market for those seeking a reliable everyday machine.