Appendix, Cleaning Your Computer, Touch Pad, Mouse

Appendix

Cleaning Your Computer

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

Computer, Keyboard, and Display

CAUTION: Before you clean your computer, disconnect the computer from the electrical outlet and remove any installed batteries. Clean your computer with a soft cloth dampened with water. Do not use liquid or aerosol cleaners, which may contain flammable substances.

•Use a can of compressed air to remove dust from between the keys on the keyboard.

NOTICE: To avoid damaging the computer or display, do not spray cleaning solution directly onto the display. Only use products specifically designed for cleaning displays, and follow the instructions that are included with the product.

•Moisten a soft, lint-free cloth with either water or a display cleaner, and wipe the display until it is clean.

NOTICE: To prevent damage to the antiglare coating, do not wipe the display with soap or alcohol.

•Moisten a soft, lint-free cloth with water and wipe the computer and keyboard. Do not allow water from the cloth to seep between the touch pad and the surrounding palm rest.

•To clean your monitor screen, lightly dampen a soft, clean cloth with water. You can also use a special screen-cleaning tissue or solution suitable for the monitor’s antistatic coating.

•Wipe the keyboard, computer, and monitor plastics with a soft cleaning cloth moistened with a solution of three parts water and one part dishwashing detergent.

Do not soak the cloth or let water drip inside your computer or keyboard.

Touch Pad

1Shut down your computer.

2Disconnect any attached devices from the computer and from their electrical outlets.

3Remove any installed batteries (see "Replacing the Battery" on page 33).

4Moisten a soft, lint-free cloth with water, and wipe it gently across the surface of the touch pad. Do not allow water from the cloth to seep between the touch pad and the surrounding palm rest.

Mouse

NOTICE: Disconnect the mouse from the computer before cleaning the mouse

If your screen cursor skips or moves abnormally, clean the mouse.

Appendix

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PP04X, D830 specifications

The Dell PP04X, commonly known as the Dell Latitude E6420, is a versatile and robust laptop that is designed for business professionals and power users alike. It combines performance, durability, and a wide array of connectivity options, making it a popular choice in the corporate world.

One of the standout features of the PP04X is its solid build quality. The laptop is constructed with a premium aluminum chassis paired with a magnesium alloy frame, ensuring it can withstand the rigors of daily use. The spill-resistant keyboard provides an added layer of protection against accidental spills, making this device a reliable option for users on the go.

The Dell PP04X is powered by Intel's second-generation Core processors, providing excellent performance for multitasking and demanding applications. With options ranging from Core i3 to Core i7, users can select the level of power they need for their specific tasks. The laptop supports up to 8GB of DDR3 RAM, which contributes to its ability to handle multiple applications simultaneously without compromising speed.

In terms of storage, the Latitude E6420 offers various configurations, including traditional hard drives (HDD) and solid-state drives (SSD), allowing users to balance performance and storage capacity based on their requirements. The inclusion of SSD options results in faster boot times and quicker file access, greatly enhancing overall productivity.

The display of the Dell PP04X is another highlight. It features a 14-inch HD screen with anti-glare technology, making it suitable for use in various lighting conditions, whether in a brightly lit office or while traveling. The high-resolution screen ensures crisp visuals, ideal for presentations and detailed graphic work.

Connectivity options on the Latitude E6420 are plentiful, featuring multiple USB ports, an HDMI output, and an ExpressCard slot for expandability. Additionally, users can opt for built-in mobile broadband capabilities to stay connected on the move.

Dell also places a strong emphasis on security in the PP04X. The laptop includes features such as a fingerprint reader, smart card reader, and optional TPM (Trusted Platform Module) for enhanced security, ensuring that sensitive information remains protected.

Overall, the Dell PP04X Latitude E6420 is an excellent choice for business users who require a durable and powerful laptop. With its blend of performance, security features, and connectivity options, it is well-suited to meet the demands of a fast-paced work environment. Whether for office use or travel, the PP04X provides a reliable and efficient computing experience.