O P 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 your Service Manual at support.dell.com). If the problem persists, contact Dell (see "Contacting Dell" on page 71).

O P T I O N A L ROM B A D C H E C K S U M — The optional ROM has failed. Contact Dell (see "Contacting Dell" on page 71).

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.

Microsoft® Windows Vista®:

1Click the Windows Vista start button → Control Panel→ Programs→ Programs and Features.

2Select the program you want to remove.

3Click Uninstall.

4See the program documentation for installation instructions.

Microsoft Windows® XP:

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

2Select the program you want to remove.

3Click Uninstall.

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 Windows error-checking utility to check the file structure on the hard drive. See Windows Help and Support for instructions (click Start→ 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 48).

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

Troubleshooting

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Dell 220S specifications Troubleshooting
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220S, 220 specifications

The Dell 420, 220, and 220S are well-regarded servers in the Dell PowerEdge lineup, showcasing robust performance and reliability for various enterprise applications. These servers are designed to meet the needs of small to medium-sized businesses, as well as larger enterprises seeking reliable computing solutions.

The Dell PowerEdge 420 stands out with its high-density architecture, optimized for virtualization and cloud applications. Equipped with Intel Xeon processors, it offers impressive processing power and scalability, supporting demanding workloads. With the ability to host multiple virtual machines, the 420 provides efficient resource utilization, ensuring that businesses can maximize their IT investments. The server also features advanced storage options, including the support for both traditional hard drives and solid-state drives, allowing for flexible data management and storage strategies.

In contrast, the Dell PowerEdge 220 and 220S are designed with simplicity and cost-effectiveness in mind. These servers feature tower and rack configurations that are ideal for environments with limited space. They leverage Intel's latest processor technologies, enhancing performance while maintaining energy efficiency. This makes the 220 series suitable for a variety of applications, including file and print services, web hosting, and database management.

One of the key characteristics of the Dell 220 and 220S is their ease of use. The systems are designed with straightforward setup procedures, allowing IT administrators to get them up and running quickly. Additionally, these servers come with Dell's OpenManage systems management tools, which offer comprehensive monitoring and management capabilities, enabling IT teams to maintain optimal server performance and reliability.

In terms of networking technologies, all three models support advanced network connectivity options, including multiple Ethernet ports and support for network interface cards (NICs) to ensure high-speed data transmission. Furthermore, they incorporate features such as redundancy in power supplies and cooling systems, enhancing overall system reliability and uptime.

Overall, the Dell 420, 220, and 220S represent a versatile range of server options that cater to varying business needs. With advancements in processing power, storage flexibility, and comprehensive management tools, these servers are well-suited for organizations looking to enhance their IT infrastructure while ensuring performance, reliability, and scalability.
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