3 Click Properties→ Tools→ Check Now.

The User Account Control window may appear. If you are an administrator on the computer, click Continue; otherwise, contact your administrator to continue the desired action.

4 Follow the instructions on the screen.

E-Mail, Modem, and Internet Problems

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

NOTE: Connect the modem to an analog telephone jack only. The modem does not operate while it is connected to a digital telephone network.

NOTE: Do not plug a telephone cable into the network adapter connector (see "Back I/O Connectors" on page 17).

C H E C K T H E M I C R O S O F T O U T L O O K ® E X P R E S S S E C U R I T Y S E T T I N G S — If you cannot open your e-mail attachments:

1 In Outlook Express, click Tools→ Options→ Security.

2 Click Do not allow attachments to remove the checkmark, as needed.

C H E C K T H E T E L E P H O N E L I N E C O N N E C T I O N

C H E C K T H E T E L E P H O N E J A C K

C O N N E C T T H E M O D E M D I R E C T L Y T O T H E T E L E P H O N E W A L L J A C K

U S E A D I F F E R E N T T E L E P H O N E L I N E —

•Verify that the telephone line is connected to the jack on the modem (the jack has either a green label or a connector- shaped icon next to it).

•Ensure that you hear a click when you insert the telephone line connector into the modem.

•Disconnect the telephone line from the modem and connect it to a telephone, then listen for a dial tone.

•If you have other telephone devices sharing the line, such as an answering machine, fax machine, surge protector, or line splitter, bypass them and use the telephone to connect the modem directly to the telephone wall jack. If you are using a line that is 3 meters (10 feet) or more in length, try a shorter one.

R U N T H E M O D E M D I A G N O S T I C TO O L —

Windows XP:

1 Click Start→ All Programs→ Modem Helper.

2 Follow the instructions on the screen to identify and resolve modem problems. Modem Helper is not available on certain computers.

Windows Vista:

1 Click Start → All Programs→ Modem Diagnostic Tool.

2 Follow the instructions on the screen to identify and resolve modem problems. Modem diagnostics are not available on all computers.

Troubleshooting

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Dell XPS 720 owner manual Mail, Modem, and Internet 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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