Testing an AC adapter

Test the AC adapter if the computer exhibits any of the following symptoms:

●The computer will not turn on when connected to the AC adapter.

●The display does not turn on when the computer is connected to the AC adapter and external power.

●The power light is off when the computer is connected to the AC adapter.

To test the AC adapter:

1.Remove the battery from the computer.

2.Connect the AC adapter to the computer and to an AC outlet.

3.Turn on the computer.

●If the power light turns on, the AC adapter is functioning properly.

●If the power light remains off, the AC adapter is not functioning and should be replaced.

Contact technical support for information on obtaining a replacement AC power adapter. Select Start > Help and Support > Get assistance.

Shutting down the computer

CAUTION: Unsaved information will be lost when the computer is shut down.

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

Shut down the computer under any of the following conditions:

●When you need to replace the battery or access components inside the computer

●When you are connecting an external hardware device that does not connect to a USB port

●When the computer will be unused and disconnected from external power for an extended period

To shut down the computer, follow these steps:

NOTE: If the computer is in the Sleep state or in Hibernation, you must first exit Sleep or Hibernation before shutdown is possible.

1.Save your work and close all open programs.

2.Click Start, and then click the arrow next to the Lock button.

3.Click Shut Down.

Testing an AC adapter 81

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HP 2740P manual Testing an AC adapter, Shutting down the computer, Click Shut Down
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2740P specifications

The HP 2740P is a versatile and robust convertible tablet PC that was designed for professionals seeking flexibility and high performance. Launched as part of HP's Elite series, this model is known for its business-oriented features and solid build quality.

One of the standout features of the HP 2740P is its 12.1-inch display, which boasts a resolution of 1280 x 800 pixels. This screen supports multi-touch functionality, allowing users to navigate and interact through gestures. The display is also built with an integrated capacitive digitizer, supporting the use of an optional stylus for more precise input, which is particularly useful for note-taking and graphic work.

Powered by Intel’s Core i5 and i7 processors from the first generation, the HP 2740P handles multitasking efficiently. It supports up to 8 GB of RAM, ensuring that demanding applications run smoothly. The device comes with various storage options, including solid state drives (SSD) or traditional hard drives (HDD), giving users flexibility and speed according to their needs.

Connectivity is one of the strong points of the HP 2740P. It includes multiple USB 2.0 ports, an ExpressCard slot, an SD card reader, and VGA and DisplayPort outputs, facilitating easy connection to various peripherals and external displays. Additionally, the device is equipped with Wi-Fi and optional mobile broadband capability, allowing users to stay connected on the go.

Security features are also robust, including a fingerprint reader and a Smart Card reader, which helps in safeguarding sensitive data. The device’s build quality is noteworthy, featuring a durable casing that meets military specifications for ruggedness, making it a reliable choice for professionals in challenging environments.

The HP 2740P operates with Windows 7 Professional but can also be upgraded to later versions, enhancing usability in today’s tech landscape. This tablet PC strikes an excellent balance between portability and capability, making it ideal for business users, educators, and creative professionals.

In summary, the HP 2740P is a well-equipped convertible tablet that encapsulates the blend of functionality and adaptability. Its combination of performance, security features, and connectivity options positions it as a formidable tool for those looking to enhance productivity in a compact form factor.
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