8Remove the four mounting screws from the I/O panel.

9Lift to remove the I/O panel from the computer.

Installing the I/O Panel

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

NOTICE: Ensure that you replace all cables originally attached to the I/O panel or you computer may not function properly.

1Follow the procedures in "Before You Begin" on page 85.

2Remove the computer cover (see "Removing the Computer Cover" on page 86).

3Align the screw holes on the I/O panel with the screw holes on the chassis, and then tighten the four mounting screws.

4Connect the control-panel cable to the I/O panel connector.

5Replace the processor and card fan assembly.

6Connect the front fan and the card fan to the system board.

7Replace the processor airflow shroud (see "Installing the Processor Airflow Shroud Assembly" on page 129).

8Replace any full-length expansion cards (see "Installing PCI and PCI Express Cards" on page 97) that were uninstalled during removal of the I/O panel.

9Replace the computer cover (see "Replacing the Computer Cover" on page 159).

Battery

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

Replacing the Battery

A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.

If you have to repeatedly reset time and date information after turning on the computer, replace the battery.

CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer’s instructions.

Removing and Installing Parts

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Dell XPS 720 owner manual Installing the I/O Panel, Replacing the Battery, 157

XPS 720, 720 specifications

The Dell XPS 720 is a powerful desktop computer that epitomizes the brand's commitment to performance and innovation. Introduced as part of the XPS (Extreme Performance System) line, the XPS 720 was designed for gamers, content creators, and tech enthusiasts who demand high performance from their machines.

One of the standout features of the XPS 720 is its impressive processing capabilities. The system can be equipped with Intel's quad-core processors, notably the Intel Core 2 Quad, which allows for exceptional multitasking and enhanced performance in multi-threaded applications. This makes it suitable for gaming, video editing, and graphic design.

The XPS 720 also offers a high level of customization, giving users the ability to select their desired specifications. Customers can choose between various configurations of RAM, hard drives, and graphics cards. The XPS 720 supports multi-GPU setups with NVIDIA’s SLI technology, enabling gamers to run the latest titles at optimal settings and resolutions, while also improving performance in demanding applications.

In terms of graphics capabilities, the XPS 720 can be outfitted with powerful NVIDIA GeForce or ATI Radeon graphics cards. This feature makes it a strong candidate for users who require cutting-edge visual performance, whether it’s for gaming, immersive simulations, or graphic-intensive applications.

Cooling solutions are a critical component of the XPS 720’s design, as high-performance systems generate substantial heat. Dell incorporates an advanced cooling system that includes unique thermal management technology to maintain optimal temperatures during heavy use, thereby prolonging the life and performance of the internal components.

The chassis of the XPS 720 is not only aesthetically pleasing but also functional. It features a sleek, futuristic design with customizable LED lighting, providing a visually appealing experience. The case also allows for easy upgrades and maintenance, which is essential for users who wish to enhance their systems over time.

Connectivity options are abundant on the XPS 720, with multiple USB ports, audio jacks, and high-definition multimedia interfaces. The inclusion of high-speed Ethernet and optional Wi-Fi capabilities ensures that users can stay connected whether for online gaming or browsing the web.

Overall, the Dell XPS 720 stands out as a commendable desktop solution that combines raw power, flexibility, and cutting-edge technologies. It remains a favorite among those looking for a robust machine capable of handling a wide variety of demanding tasks, from gaming to professional creative work. Whether you are a hardcore gamer or a professional seeking performance, the XPS 720 offers an exceptional computing experience.