Troubleshooting the Video Subsystem

1Check the system and power connections to the monitor.

2Check the video interface cabling from the system to the monitor.

Troubleshooting a USB Device

Use the following steps to troubleshoot a USB keyboard and/or mouse. For other USB devices, go to step 5.

1Disconnect the keyboard and mouse cables from the system briefly and reconnect them.

2Connect the keyboard/mouse to the USB port(s) on the opposite side of the system.

3If the problem is resolved, restart the system, enter the System Setup program, and check if the nonfunctioning USB ports are enabled.

4Replace the keyboard/mouse with another working keyboard/mouse. If the problem is resolved, replace the faulty keyboard/mouse.

If the problem is not resolved, proceed to the next step to begin troubleshooting the other USB devices attached to the system.

5Power down all attached USB devices and disconnect them from the system.

6Restart the system and, if your keyboard is functioning, enter the system setup program. Verify that all USB ports are enabled. See “USB Configuration” on page 107.

If your keyboard is not functioning, you can also use remote access. If the system is not accessible, see “Jumper Settings” on page 340 for instructions on setting the NVRAM_CLR jumper inside your system and restoring the BIOS to the default settings.

7Reconnect and power on each USB device one at a time.

8If a device causes the same problem, power down the device, replace the USB cable, and power up the device.

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Dell C6220 II owner manual Troubleshooting the Video Subsystem, Troubleshooting a USB Device
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C6220 II specifications

The Dell C6220 II is a high-density, highly scalable server designed to meet the demands of data centers and cloud environments. Launched as a successor to the C6220, this model builds on its predecessor's strengths with enhanced performance, flexibility, and energy efficiency. Its compact design allows multiple units to be housed in a single chassis, making it an ideal solution for organizations that require a significant amount of computing power without occupying extensive floor space.

One of the primary features of the Dell C6220 II is its support for Intel Xeon processors. This server can accommodate up to four separate compute nodes within a single 2U chassis, each supporting two CPU sockets. This configuration allows for a substantial amount of processing power, essential for virtualization, cloud computing, and big data applications. The use of the latest Intel technology ensures higher core counts, improved performance per watt, and enhanced capabilities for parallel processing tasks.

The C6220 II offers versatility with its memory support, allowing for up to 24 DIMM slots per compute node. This results in a maximum memory capacity of up to 1.5TB per node, enabling organizations to run large databases and memory-intensive applications efficiently. Additionally, it supports both DDR3 and DDR4 memory, giving users flexibility in terms of performance and cost.

Storage capabilities are another significant aspect of the Dell C6220 II. Each compute node can be configured with multiple hard drives or solid-state drives, allowing for optimal storage configurations. This server is compatible with various RAID configurations to enhance data integrity and availability. Furthermore, the C6220 II includes support for both local and hybrid storage options, which enables organizations to tailor their storage solutions to specific workloads.

Networking is vital for data center operations, and the Dell C6220 II offers robust networking options. The server includes multiple networking ports, which can be configured for redundancy and load balancing, ensuring high availability and performance. This feature is critical for businesses that rely on uninterrupted access to their applications and data.

In terms of energy efficiency, the Dell C6220 II has been designed with advanced cooling technologies to minimize energy consumption while maintaining optimal performance levels. The use of intelligent fans and airflow management contributes to lower operating costs and reduced environmental impact.

In conclusion, the Dell C6220 II is a powerful and flexible server that meets a wide range of business needs. Its ability to handle high workloads, coupled with its scalable design, makes it an excellent choice for modern data centers and cloud environments. Organizations looking for robust performance, efficient storage solutions, and reliable networking should consider the Dell C6220 II as a key component of their IT infrastructure.
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