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

Mobile Broadband (Wireless Wide Area Network [WWAN])

NOTE: The Dell Mobile Broadband Card Utility user’s guide and the Mobile Broadband ExpressCard user’s guide are available through Windows Help and Support (click Start Help and Support). You can also download the Dell Mobile Broadband Card Utility user’s guide from support.dell.com.

NOTE: The icon appears in the notification area if the computer has a Dell WWAN device installed. Double-click the icon to launch the utility.

A C T I V A T E T H E M O B I L E B R O A D B A N D E X P R E S S C A R D You must activate the

Mobile Broadband ExpressCard before you can connect to the network.

Position the mouse over the icon in the notification area to verify the status of the connection. If the card is not activated, follow the card activation instructions located within the Dell Mobile Broadband Card

Utility. To access the utility, double-click the icon located in the taskbar, at the lower-right corner of your screen. If your ExpressCard is not a Dell-branded card, see the manufacturer’s instructions for your card.

C H E C K N E T W O R K C O N N E C T I O N S T A T U S I N T H E D E L L M O B I L E B R O A D B A N D C A R D

U T I L I T Y Double-click the icon to launch the Dell Mobile Broadband Card Utility. Check the status in the main window:

No card detected — Restart the computer, and launch the Dell Mobile Broadband Card Utility again.

Check your WWAN service — Contact your cellular service provider to verify your plan coverage and supported services.

Power Problems

Fill out the "Diagnostics Checklist" on page 176 as you complete these checks.

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

When the power light is lit or blinking, the computer has power. If the power light is blinking, the computer is in Sleep state—press the power button to exit Sleep state. If the light is off, press the power button to turn on the computer.

NOTE: For information on Sleep power state, see "Using the Sleep Power State" on page 51.

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Troubleshooting

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Dell 1720 owner manual Power Problems, Mobile Broadband Wireless Wide Area Network Wwan

1720 specifications

The Dell 1720 and 1520 printers represent a significant milestone in the world of printing technology, catering primarily to small businesses and office settings. Both models are monochrome laser printers, renowned for their ability to deliver high-quality prints with exceptional speed and efficiency.

The Dell 1720 is designed with performance in mind, boasting a print speed of up to 33 pages per minute, making it ideal for high-volume printing environments. Equipped with a 400 MHz processor and 64 MB of memory, it ensures fast processing of complex documents, thereby reducing wait times for users. Its maximum print resolution of 1200 x 1200 dpi guarantees crisp, clear text and sharp graphics, suitable for professional presentations and reports.

On the other hand, the Dell 1520, while slightly less powerful, still offers impressive capabilities. It provides a print speed of up to 30 pages per minute and features a similar print resolution of 1200 x 1200 dpi. The compact design of the 1520 makes it a great option for businesses with limited space, while still maintaining robust performance standards.

Both printers utilize Dell's proprietary Toner Management System, which helps monitor toner levels and notifies users when it's time to order replacements. This technology aids in minimizing downtime and ensures continued productivity. The printers are compatible with a variety of operating systems including Windows and Mac OS, making them versatile solutions for diverse office environments.

Another important feature of the Dell 1720 and 1520 is their energy efficiency, thanks to Energy Star certification. This ensures that both models consume less power compared to traditional printers, making them eco-friendly choices for businesses looking to reduce their carbon footprint.

In terms of connectivity, both models come equipped with USB 2.0 ports for straightforward connections to computers. Additionally, the Dell 1720 offers optional networking capabilities with an Ethernet port, allowing for sharing across multiple users in a networked environment.

With a range of features including reliable performance, energy efficiency, and robust print quality, the Dell 1720 and 1520 remain popular choices among small to medium-sized businesses seeking dependable monochrome printing solutions.