program may require an upgrade) to scan the computer and remove spyware. For more information, go to support.dell.com and search for the keyword spyware.

Run the Dell Diagnostics — See Dell Diagnostics. If all tests run successfully, the error condition is related to a software problem.

Memory Problems

Fill out the Diagnostics Checklist (see Diagnostics Checklist) as you complete these checks.

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

If you receive an insufficient memory message —

•Save and close any open files and exit any open programs you are not using to see if that resolves the problem.

•See the software documentation for minimum memory requirements. If necessary, install additional memory (see Memory).

•Reseat the memory modules to ensure that your computer is successfully communicating with the memory (see Memory).

•Run the Dell Diagnostics (see Dell Diagnostics).

If you experience other memory problems —

•Reseat the memory modules (see Memory) to ensure that your computer is successfully communicating with the memory.

•Ensure that you are following the memory installation guidelines (see Memory).

•Run the Dell Diagnostics (see Dell Diagnostics).

Network Problems

Fill out the Diagnostics Checklist as you complete these checks.

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

General

Check the network cable connector — Ensure that the network cable is firmly inserted into both the network connector on the back of the computer and the network connector.

Check the network lights on the network connector — No light indicates that no network communication exists. Replace the network cable.

Restart the computer and log on to the network again.

Check your network settings — Contact your network administrator or the person who set up your network to verify that your network settings are correct and that the network is functioning.

Mobile Broadband Network

NOTE: The Dell Mobile Broadband Card Utility user's guide is located under Help and Support. You can also download the user's guide from support.dell.com.

NOTE: The icon appears in the notification area if the computer has a Dell Mobile Broadband card installed. Double-click the icon to launch the utility.

Cannot connect — The Dell Mobile Broadband Card must be activated on the network in order to connect. Position the mouse over the icon in the notification area to read the status of the connection. If the status indicates the mobile broadband card is not activated, see Activate your Mobile Broadband card for more information. If problems persist, contact your Mobile Broadband service carrier for details on your plan.

Check your Mobile Broadband network service — Contact your Mobile Broadband service carrier to verify coverage plan and supported services.

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Dell PP04X specifications Memory Problems, Network Problems, General, Mobile Broadband Network
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PP04X 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.
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