them.

M E M O R Y O D D /E V E N L O G I C F A I L U R E A T A D D R E S S , R E A D V A L U E E X P E C T I N G V A L U E — A memory module may be faulty or improperly seated. Reinstall the memory modules (see "Memory" on page 116) and, if necessary, replace them.

M E M O R Y W R I T E / R E A D F A I L U R E A T A D D R E S S , R E A D V A L U E E X P E C T I N G V A L U E — A memory module may be faulty or improperly seated. Reinstall the memory modules (see "Memory" on page 116) and, if necessary, replace them.

N O B O O T D E V I C E A V A I L A B L E — The computer cannot find the hard drive. If the hard drive is your boot device, ensure that the drive is installed, properly seated, and partitioned as a boot device.

N O B O O T S E C T O R O N H A R D D R I V E — The operating system may be corrupted. Contact Dell (see "Contacting Dell" on page 138).

N O T I M E R T I C K I N T E R R U P T — A chip on the system board may be malfunctioning. Run the System Set tests in the Dell Diagnostics (see "Dell Diagnostics" on page 79).

N O T E N O U G H M E M O R Y O R R E S O U R C E S . E X I T S O M E P R O G R A M S A N D T R Y A G A I N — You have too many programs open. Close all windows and open the program that you want to use.

OP E R A T I N G S YS T E M N O T F O U N D — Reinstall the hard drive (see "Hard Drive" on page 113). If the problem persists, contact Dell (see "Contacting Dell" on page 138).

OP T I O N A L ROM B A D C H E C K S U M — The optional ROM apparently failed. Contact Dell (see "Contacting Dell" on page 138).

AR E Q U I R E D . DLL F I L E W A S N O T F O U N D — The program that you are trying to open is missing an essential file. Remove and then reinstall the program.

1Click Start→ Control Panel→ Add or Remove Programs.

2Select the program you want to remove.

3Click Remove or Change/Remove and follow the prompts on the screen.

4See the program documentation for installation instructions.

S E C T O R N O T F O U N D — The operating system cannot locate a sector on the hard drive. You may have a defective sector or corrupted FAT on the hard drive. Run the Microsoft Windows error-checking utility to check the file structure on the hard drive. See the Help and Support Center for instructions. To access the Help and Support

Center, click Start or → Help and Support. If a large number of sectors are defective, back up the data (if possible), and then reformat the hard drive.

S E E K E R R O R — The operating system cannot find a specific track on the hard drive.

S H U T D O W N F A I L U R E — A chip on the system board may be malfunctioning. Run the System Set tests in the Dell Diagnostics (see "Dell Diagnostics" on page 79).

TI M E - O F - D A Y C L O C K L O S T P O W E R — System configuration settings are corrupted. Connect your computer to an electrical outlet to charge the battery. If the problem persists, try to restore the data by entering the system setup program (see "System Setup Program" on page 99). Then immediately exit the program. If the message reappears, contact Dell (see "Contacting Dell" on page 138).

TI M E - O F - D A Y C L O C K S T O P P E D — The reserve battery that supports the system configuration settings may require recharging. Connect your computer to an electrical outlet to charge the battery. If the problem persists, contact Dell (see "Contacting Dell" on page 138).

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Troubleshooting

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Dell PP04X manual Click Start→ Control Panel→ Add or Remove Programs, Them
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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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