6.Close the display and turn the computer upside-down on a flat work surface.

NOTE: To avoid damaging the system board, you must remove the main battery before you service the computer.

7.Remove the main battery.

8.Turn the computer top-side up.

9.Open the display.

10.Press the power button to ground the system board.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the display.

CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.

11.Remove any installed ExpressCards or Smart Cards from the appropriate slots.

Turning Off Your Computer

CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

1.Shut down the operating system:

–In Windows 7:

Click Start, then click Shut Down.

–In Windows Vista:

Click Start, then click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down.

–In Windows XP:

Click Start → Turn Off Computer → Turn Off . The computer turns off after the operating system shutdown process is complete.

2.Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 6 seconds to turn them off.

After Working Inside Your Computer

After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer.

CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.

1.Connect any external devices, such as a port replicator, battery slice, or media base, and replace any cards, such as an ExpressCard.

2.Connect any telephone or network cables to your computer.

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Dell 2520 owner manual Turning Off Your Computer, After Working Inside Your Computer
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2520 specifications

The Dell 2520 is a versatile and robust printer designed to meet the needs of small to medium-sized businesses, providing efficient printing solutions. This printer showcases a blend of performance, performance, and reliability, making it a valuable asset in any office environment.

One of the main features of the Dell 2520 is its fast and efficient printing capabilities. It boasts impressive print speeds, delivering high-quality black-and-white and color documents. This ensures that users can handle high-volume printing tasks without significant downtime, enhancing productivity in busy workspaces.

The printer supports a variety of media types and sizes, accommodating diverse printing needs. With the ability to handle standard paper sizes, envelopes, and labels, the Dell 2520 offers flexibility in document presentation. Its automatic duplexing feature also enables double-sided printing, which not only saves paper but reduces printing costs.

In terms of technologies, the Dell 2520 incorporates advanced laser printing technology, which ensures crisp text and vibrant graphics. This technology provides sharp resolution, making it ideal for producing professional documents, marketing materials, and presentations. The printer also features a user-friendly control panel, simplifying operation and allowing users to navigate settings effortlessly.

Another significant characteristic of the Dell 2520 is its connectivity options. It supports USB and network connections, allowing users to print from various devices. This functionality is crucial in today’s work environments, where employees may need to print from laptops, desktops, or mobile devices. Additionally, Dell provides software solutions for managing print jobs, making it easier for users to monitor usage and maintain productivity.

The printer’s compact design fits easily into most office spaces, while its durable construction ensures long-lasting performance. It is built to withstand the demands of everyday printing, with easy access to toner and maintenance components.

Finally, the Dell 2520 is designed with energy efficiency in mind. Its energy-saving features help reduce power consumption, contributing to lower operational costs and minimizing environmental impact. This combination of performance, reliability, and eco-friendliness makes the Dell 2520 a smart choice for businesses looking to optimize their printing capabilities.
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