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Dell D520 specifications PC Card or ExpressCard Problems, General, Mobile Broadband Network

Models: D520

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

General

Check the network cable connector — Ensure that the network cable is firmly inserted into both the network connector on the back of the computer and the network connector.

Check the network lights on the network connector — No light indicates that no network communication exists. Replace the network cable.

Restart the computer and log on to the network again

Check your network settings — Contact your network administrator or the person who set up your network to verify that your network settings are correct and that the network is functioning.

Mobile Broadband Network

NOTE: The Dell Mobile Broadband Card Utility user's guide is located under Help and Support. You can also download the user's guide from support.dell.com.

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

Cannot connect — The Dell Mobile Broadband Card must be activated on the network in order to connect. Position the mouse over the icon in the notification area to read the status of the connection. If the status indicates the mobile broadband card is not activated, see Activate your Mobile Broadband card for more information. If problems persist, contact your Mobile Broadband service carrier for details on your plan.

Check your Mobile Broadband network service — Contact your Mobile Broadband service carrier to verify coverage plan and supported services.

Check the status in the Dell Mobile Broadband Card Utility — Click the icon in the taskbar to launch the utility. Check the status in the main window:

•No card detected – Restart the computer and launch the utility again.

NOTE: f you are unable to connect to a wireless network, ensure that you have all the components for establishing a WLAN (see What You Need to Establish a WLAN Connection), and then verify that your wireless network card is enabled by pressing <Fn><F2>.

You can turn your computer's wireless networking function on and off by pressing the <Fn><F2> key combination. If the wireless networking function is turned on, press <Fn><F2> to disable it. If the wireless networking function is turned off, press <Fn><F2> to enable it.

•Wireless Disabled – Press <Fn><F2> or right-click the icon to verify that your wireless network ExpressCard is enabled.

•Searching – The Dell Mobile Broadband Card Utility has not yet located a Mobile Broadband network. If the searching state persists, ensure that the signal strength is adequate.

•No service – The Dell Mobile Broadband Card Utility did not locate a Mobile Broadband network. Ensure that the signal strength is adequate. Restart the Dell wireless utility or contact your Mobile Broadband network provider.

•Check your WWAN service – Contact your Mobile Broadband network service provider to verify coverage plan and supported services.

Activate your Mobile Broadband card — Before you connect to the Internet, you must activate the Mobile Broadband service through your cellular service provider. For instructions and for additional information about using the Dell Mobile Broadband Card Utility, see the user's guide available through the Windows Help and Support Center. To access the Help and Support Center, see Windows Help and Support Center. The user's guide is also available on the Dell Support website at support.dell.com and on the CD included with your Mobile Broadband card if you purchased the card separately from your computer.

PC Card or ExpressCard Problems

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

Check the card — Ensure that the card is properly inserted into the connector. If you are using an ExpressCard, ensure that you insert the card into an adapter before you insert it into the card slot

Ensure that the card is recognized by Windows — Double-click the Safely Remove Hardware icon in the Windows taskbar. Ensure that the card is listed.

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Dell D520 specifications PC Card or ExpressCard Problems, General, Mobile Broadband Network
Page 93 Page 95

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.