The screen is difficult to read

C H E C K T H E M O N I T O R C A B L E C O N N E C T I O N —

•Ensure that the monitor cable is connected to the correct graphics card (for dual graphics card configurations).

•If you are using the optional DVI-to-VGAadapter, ensure that the adapter is correctly attached to the graphics card and monitor.

•Ensure that the monitor cable is connected as shown on the setup diagram for your computer.

•Remove any video extension cables and connect the monitor directly to the computer.

•Swap the computer and monitor power cables to determine if the monitor’s power cable is defective.

•Check the connectors for bent or broken pins (it is normal for monitor cable connectors to have missing pins).

C H E C K T H E M O N I T O R P O W E R L I G H T —

•If the power light is lit or blinking, the monitor has power.

•If the power light is off, firmly press the button to ensure that the monitor is turned on.

•If the power light is blinking, press a key on the keyboard or move the mouse to resume normal operation.

TE S T T H E E L E C T R I C A L O U T L E T — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

C H E C K T H E D I A G N O S T I C L I G H T S — See "Diagnostic Lights" on page 66.

C H E C K T H E M O N I T O R S E T T I N G S — See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test.

M O V E T H E S U B W O O F E R A W A Y F R O M T H E M O N I T O R — If your speaker system includes a subwoofer, ensure that the subwoofer is positioned at least 60 centimeters (2 feet) away from the monitor.

M O V E T H E M O N I T O R A W A Y F R O M E X T E R N A L P O W E R S O U R C E S — Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the screen image to appear shaky. Turn off nearby devices to check for interference.

R O T A T E T H E M O N I T O R T O E L I M I N A T E S U N L I G H T G L A R E A N D P O S S I B L E I N T E R F E R E N C E A D J U S T T H E W I N D O W S D I S P L A Y S E T T I N G S —

Windows XP:

1 Click Start→ Control Panel→ Appearance and Themes.

2 Click the area you want to change or click the Display icon.

3 Try different settings for Color quality and Screen resolution.

Windows Vista:

1 Click Start → Control Panel→ Hardware and Sound→ Personalization→ Display Settings. 2 Adjust Resolution and Colors settings, as needed.

3D image quality is poor

C H E C K T H E G R A P H I C S C A R D P O W E R C A B L E C O N N E C T I O N — Ensure that the power cable for the graphics card(s) is correctly attached to the card.

C H E C K T H E M O N I T O R S E T T I N G S — See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test.

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Troubleshooting

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Dell XPS 720 owner manual Screen is difficult to read, 3D image quality is poor
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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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