C H E C K T H E K E Y B O A R D C A B L E

IEEE 1394 Device Problems

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

E N S U R E T H A T T H E IEEE 1394 D E V I C E I S R E C O G N I Z E D B Y W I N D O W S

1Click Start Control PanelSystem and MaintenanceDevice Manager.

NOTE: 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.

If your IEEE 1394 device is listed, Windows recognizes the device.

I F Y O U H A V E P R O B L E M S W I T H A D E L L - P R O V I D E D IEEE 1394 D E V I C E — Contact Dell or the IEEE 1394 device manufacturer (see "Contacting Dell" on page 177).

I F Y O U H A V E P R O B L E M S W I T H A N IEEE 1394 D E V I C E N O T P R O V I D E D B Y D E L L

Contact Dell or the IEEE 1394 device manufacturer (see "Contacting Dell" on page 177).

Ensure that the IEEE 1394 device is properly inserted into the connector.

Keyboard Problems

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

Fill out the "Diagnostics Checklist" on page 176 as you perform the various checks.

NOTE: Use the integrated keyboard when running the Dell Diagnostics or the system setup program. When you attach an external keyboard, the integrated keyboard remains fully functional.

External keyboard problems

NOTE: When you attach an external keyboard, the integrated keyboard remains fully functional.

Shut down the computer, disconnect the

keyboard cable and check it for damage, and then firmly reconnect the cable.

If you are using a keyboard extension cable, disconnect it and connect the keyboard directly to the computer.

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Troubleshooting

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Dell 1720 owner manual Ieee 1394 Device Problems, Keyboard Problems, External keyboard problems

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.