Power Problems

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

I F T H E P O W E R L I G H T I S G R E E N A N D T H E C O M P U T E R I S N O T R E S P O N D I N G — See "Diagnostic Lights" on page 66.

I F T H E P O W E R L I G H T I S B L I N K I N G G R E E N — The computer is in standby mode. Press a key on the keyboard, move the mouse, or press the power button to resume normal operation.

I F T H E P O W E R L I G H T I S O F F — The computer is either turned off or is not receiving power.

•Reseat the power cable in the power connector on the back of the computer and the electrical outlet.

•Bypass power strips, power extension cables, and other power protection devices to verify that the computer turns on properly.

•Ensure that any power strips being used are plugged into an electrical outlet and are turned on.

•Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

•Ensure that the main power cable and front panel cable are securely connected to the system board (see "System Board Components" on page 89).

I F T H E P O W E R L I G H T I S B L I N K I N G A M B E R — The computer is receiving electrical power, but an internal power problem may exist.

• Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).

Ensure that all components and cables are properly installed and securely connected to the system board (see "System Board Components" on page 89).

I F T H E P O W E R L I G H T I S S T E A D Y A M B E R — A device may be malfunctioning or incorrectly installed.

•Ensure that the processor power cable is securely connected to the system board power connector (POWER2) (see "System Board Components" on page 89).

•Remove and then reinstall all memory modules (see "Memory" on page 90).

•Remove and then reinstall any expansion cards, including graphics cards (see "Removing PCI and PCI Express Cards" on page 95).

E L I M I N A T E I N T E R F E R E N C E — Some possible causes of interference are:

•Power, keyboard, and mouse extension cables

•Too many devices connected to the same power strip

•Multiple power strips connected to the same electrical outlet

Printer Problems

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

NOTE: If you need technical assistance for your printer, contact the printer’s manufacturer.

C H E C K T H E P R I N T E R D O C U M E N T A T I O N — See the printer documentation for setup and troubleshooting information.

Troubleshooting

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Dell XPS 720 owner manual Power Problems, Printer Problems
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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.
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