Ensure that you are following the memory installation guidelines (see "Installing a Memory Module" in your User’s Guide).

Ensure that the memory you are using is supported by your computer. For more information about the type of memory supported by your computer, see "Removing the Front Panel" in your User’s Guide.

Run the Dell Diagnostics (see "Dell Diagnostics" on page 33).

Mouse Problems

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

C H E C K T H E M O U S E C A B L E

Ensure that the cable is not damaged or frayed and check cable connectors for bent or broken pins. Straighten any bent pins.

Remove any mouse extension cables, and connect the mouse directly to the computer.

Verify that the mouse cable is connected as shown on the setup diagram for your computer.

R E S T A R T T H E C O M P U T E R

1Simultaneously press <Ctrl><Esc> to display the Start menu.

2Press <u>, press the up- and down-arrow keys to highlight Shut down or Turn Off, and then press <Enter>.

3After the computer turns off, reconnect the mouse cable as shown on the setup diagram.

4Turn on the computer.

TE S T T H E M O U S E Connect a properly working mouse to the computer, and then try using the mouse.

C H E C K T H E M O U S E S E T T I N G S

Windows XP:

1Click StartControl PanelMouse.

2 Adjust the settings as needed.

Windows Vista:

1Click Start Control PanelHardware and SoundMouse.

2 Adjust the settings as needed.

R E I N S T A L L T H E M O U S E D R I V E R See "Drivers" in your User’s Guide.

R U N T H E H A R D W A R E TR O U B L E S H O O T E R See "Restoring Your Operating System" in your User’s Guide.

Quick Reference Guide

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Dell DCDO manual Mouse Problems, Simultaneously press CtrlEsc to display the Start menu, Click Start→ Control Panel→ Mouse

DCDO specifications

The Dell DCDO, C100J, represents a significant advancement in the realm of data center technology, focusing on providing enhanced operational efficiency, scalability, and improved performance. Designed with modern enterprises in mind, the C100J integrates cutting-edge features that cater to an array of data center needs.

One of the standout features of the Dell C100J is its modular architecture. This design allows organizations to expand their infrastructure incrementally, ensuring that they can scale according to their growth requirements without incurring hefty upfront costs. The modularity of the C100J makes it versatile, allowing it to adapt to varying workloads and applications efficiently.

Performance-wise, the Dell C100J is equipped with high-speed processing capabilities. It supports the latest generation of Intel Xeon processors, which provide substantial processing power while maintaining energy efficiency. This ensures that enterprises can run demanding applications seamlessly, from data analytics to virtualization, all while consuming less power compared to older models.

Networking is another critical aspect of the Dell C100J. It comes with advanced networking options, including support for 25GbE and 40GbE interfaces, facilitating faster data transmission and reduced latency. This feature is especially beneficial for organizations with high data throughput requirements, enabling them to handle large data sets and ensure quick access to critical information.

Storage flexibility is integral to the Dell DCDO's appeal. The C100J can support various storage options, including SSDs for high-performance tasks and HDDs for cost-effective data storage. Its RAID support further enhances data security and performance, giving users peace of mind regarding data integrity.

Additionally, the Dell C100J is designed with a focus on energy efficiency and Lifecycle management. Its innovative cooling technology optimizes airflow, reducing energy consumption while ensuring that components operate within optimal thermal conditions. This results in lower operational costs and supports corporate sustainability initiatives.

Moreover, management features such as Dell's OpenManage software provide seamless monitoring and management of hardware configurations, firmware updates, and system health checks, enabling IT teams to focus more on strategic initiatives rather than routine maintenance.

In summary, the Dell DCDO, C100J encapsulates a blend of performance, flexibility, and efficiency. Its modular design, high-speed processing capabilities, advanced networking features, and robust management tools make it an ideal choice for enterprises aiming to enhance their data center operations while preparing for future growth.