normal computer operation is not possible on battery power alone. Ensure that the AC adapter is connected to your computer when the computer is docked to a docking device.

Docking While the Computer Is Running

If your computer is connected to the Dell D/Port while the computer is running, presence of the docking device is ignored until the AC adapter is connected to the computer.

AC Power Loss While the Computer Is Docked

If your computer loses AC power while docked to the Dell D/Port, the computer immediately goes into low-performance mode.

Printer Problems

Fill out the Diagnostics Checklist (see Diagnostics Checklist) 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.

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

Ensure that the printer is turned on

Check the printer cable connections —

•See the printer documentation for cable connection information.

•Ensure that the printer cables are securely connected to the printer and the computer.

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

Verify that the printer is recognized by Windows —

1.Click Start→ Control Panel→ Printers and Other Hardware→ View installed printers or fax printers.

2.If the printer is listed, right-click the printer icon.

3.Click Properties→ Ports. For a parallel printer, ensure that the Print to the following port(s): setting is LPT1 (Printer Port). For a USB printer, ensure that the Print to the following port(s): setting is USB.

Reinstall the printer driver — See the printer documentation for instructions.

Scanner 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 scanner, contact the scanner's manufacturer.

Check the scanner documentation — See the scanner documentation for setup and troubleshooting information.

Unlock the scanner — Ensure that your scanner is unlocked if it has a locking tab or button.

Restart the computer and try the scanner again

Check the cable connections —

•See the scanner documentation for cable connection information.

•Ensure that the scanner cables are securely connected to the scanner and the computer.

Verify that the scanner is recognized by Microsoft Windows —

Click Start→ Control Panel→ Printers and Other Hardware→ Scanners and Cameras. If your scanner is listed, Windows recognizes the scanner.

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Dell D520 specifications Printer Problems, Scanner Problems, Docking While the Computer Is Running
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D520 specifications

The Dell D520 is a robust and reliable laptop that was introduced as part of Dell's Latitude series, catering primarily to business professionals and enterprises. Known for its solid build and practical features, the D520 emphasizes productivity and durability in a mobile computing environment.

One of the standout features of the Dell D520 is its comfortable keyboard layout. The full-sized, spill-resistant keyboard offers a tactile feel, making it ideal for extended typing sessions. Additionally, the touchpad is responsive, enhancing ease of navigation while on the go. The laptop's design prioritizes ease of use, ensuring that users can work efficiently, whether in an office or while traveling.

In terms of hardware, the Dell D520 typically features Intel processors, which provide a balanced mix of performance and power efficiency. This enables users to run multiple applications without significant lag, making it suitable for multitasking. The laptop is also equipped with a decent amount of RAM, ensuring smooth performance for standard business applications and tasks.

The D520 includes various connectivity options, crucial for modern-day professionals. It typically comes with several USB ports, an Ethernet port, and a VGA port for connecting to external displays. There is also the option for Wi-Fi connectivity, allowing users to connect to networks effortlessly.

One of the key characteristics of the Dell D520 is its durability. The laptop is designed to withstand the rigors of daily use and features a sturdy chassis that can handle rough treatment. This durability makes it a favorite among users who need a reliable machine that can endure a busy workday.

The D520 also emphasizes security features that are essential for business users. It includes options for fingerprint readers and smart card readers, allowing users to enhance data protection. This level of security is particularly valuable for professionals handling sensitive information.

Battery life is another important aspect of the Dell D520. With an efficient power management system, users can expect a reasonable battery performance that allows for extended work sessions without needing to recharge frequently.

Overall, the Dell D520 combines practicality, durability, and efficiency, making it an excellent choice for business professionals who require a reliable laptop for everyday tasks. Its balance of features and performance continues to make it a suitable option for users who prioritize functionality and dependability in their computing devices.
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