B A T T E R Y C H A R G E / H E A L T H G A U G E — Provides information on the battery charge and battery health.

Press once to determine the battery charge. Each of the 4 lights represents approximately 20% of the total battery charge. If no lights appear, then there is no charge in the battery.

Press and hold for 3 seconds to determine the battery health/condition. If no lights appear, the battery is in good health. Each light represents incremental degradation.

For more information, see Dell Technology Guide.

B A S E C O V E R — Compartment that contains the processor, hard drive, memory modules, WLAN, WWAN, and Ultra Wideband (UWB) cards.

Removing and Replacing the Battery

CAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell. The battery is designed to work with your Dell computer. Do not use batteries from other computers with your computer.

CAUTION: Before performing this procedure, turn off the computer, disconnect the AC adapter from the electrical outlet and the computer, disconnect the modem from the wall connector and the computer, and remove any other external cables from the computer.

NOTICE: You must remove all external cables from the computer to avoid possible connector damage.

NOTICE: If you choose to replace the battery with the computer in Sleep state, you have up to 1 minute to complete the battery replacement before the computer shuts down and loses any unsaved data.

To remove the battery:

1Ensure that the computer is turned off.

2Turn the computer over.

3Slide the battery release latch towards the side of the computer until it is engaged.

4Slide the battery out of the bay.

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About Your Computer

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Dell PP31L manual Removing and Replacing the Battery
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PP31L specifications

The Dell PP31L, also known as the Dell Latitude E6400, is a robust laptop that epitomizes the convergence of performance, portability, and reliability. Designed primarily for business professionals, the Dell PP31L delivers a blend of essential features that cater to both everyday computing needs and demanding tasks.

At its core, the Dell PP31L is powered by Intel's Core 2 Duo processors, providing users with a reliable and efficient performance. This dual-core architecture allows for multitasking capabilities, ensuring smooth operation even when running multiple applications simultaneously. Coupled with up to 8GB of RAM, this laptop adeptly handles demanding workloads while maintaining responsiveness.

One of the standout characteristics of the Dell PP31L is its display. The laptop typically features a 14.1-inch LED-backlit screen, offering a resolution of 1280 x 800 pixels. The display provides vibrant colors and sufficient brightness, making it suitable for both indoor and outdoor use. Furthermore, its anti-glare coating reduces reflections, enhancing visibility during presentations or extended work sessions.

In terms of build quality, the Dell PP31L excels with its durable chassis. Constructed with rugged materials, it can withstand the rigors of daily use, making it an ideal choice for professionals on the go. The laptop also meets various military specifications, further underscoring its strength and reliability in challenging environments.

Connectivity is another primary strength of the Dell PP31L. It incorporates multiple USB ports, an HDMI output, and a legacy VGA port, enabling seamless connections to a variety of peripherals and external displays. Additionally, it supports wireless connectivity options, including Wi-Fi and Bluetooth, facilitating ease of use in various settings.

The laptop's keyboard is designed for comfort and precision, featuring a spill-resistant design to protect against accidental spills. This aspect, combined with a responsive touchpad and an optional pointing stick, ensures a superior user experience.

Battery life is competitive, with the possibility of extended options, allowing users to work longer without the need for frequent recharges. This is particularly advantageous for professionals who rely on mobility and those who often find themselves in environments with limited access to power outlets.

In conclusion, the Dell PP31L (Latitude E6400) is a solid choice for users seeking a dependable, high-performance laptop. Its balance of power, durability, and usability makes it a compelling option in the competitive landscape of business laptops. Whether for office use or remote work, the Dell PP31L stands out as a versatile tool for professionals.
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