D-Link DWA-121 User Manual
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D-Link DWA-121 User Manual

D-Link DWA-121 User Manual

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Version 1.20 | 28/04/2015
User Manual
Wireless N 150 Micro USB Adapter
DWA-121

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Summary of Contents for D-Link DWA-121

  • Page 1 Version 1.20 | 28/04/2015 User Manual Wireless N 150 Micro USB Adapter DWA-121...

  • Page 2: Preface

    Preface D-Link reserves the right to revise this publication and to make changes in the content hereof without obligation to notify any person or organization of such revisions or changes. Manual Revisions Revision Date Description October 5, 2010 • Initial release for Revision A1 July 11, 2013 •...

  • Page 3: Table Of Contents

    Windows® XP Users ................49 Wi-Fi Protected Setup (WPS) ............18 ® Technical Specifications ..............50 Configuration ...................20 D-Link Wireless Connection Manager ...........20 Wireless Networks List ................21 Personal Identification Number (PIN) ...........22 Push Button Configuration (PBC) ...........24 My Wireless Networks .................25 Add Profile ..................26 Modify Profile..................27...

  • Page 4: Product Overview

    Section 1 - Product Overview Product Overview Package Contents D-Link DWA-121 Wireless N 150 Micro USB Adapter Manual and Driver Software on CD Quick Installation Guide System Requirements • A computer or laptop with an available USB 2.0 port • Windows...

  • Page 5: Introduction

    Introduction The DWA-121 Wireless N 150 Pico USB Adapter is a convenient wireless connectivity solution for desktop or notebook PCs. Instead of stringing Ethernet cables to your PC, simply utilize your desktop or notebook PC’s USB port and the adapter’s 802.11n wireless connectivity.

  • Page 6: Features

    • You can securely connect to a wireless network using WPA/WPA2 (Wi-Fi Protected Access), providing you a much higher level of security for your data and communication than has previously been available • Position the DWA-121 almost anywhere in your workspace to achieve the best reception possible •...

  • Page 7: Hardware Overview

    Section 1 - Product Overview Hardware Overview USB Connector Used to connect the DWA-121 to your computer. D-Link DWA-121 User Manual...

  • Page 8: Installation

    This section will walk you through the installation process. If you have a built-in wireless adapter, please disable it in the Device Manager before installing your DWA-121 Wireless N 150 Pico USB Adapter. Also, if you previously installed another wireless adapter, please make sure any related software is uninstalled.

  • Page 9: Disable Other Wireless Adapters

    Section 2 - Installation Disable Other Wireless Adapters Most newer laptops include a built-in wireless adapter. To prevent conflicts with the D-Link wireless adapter, it is recommended that you disable the wireless adapter (as well as any unused Ethernet adapters).
  • Page 10 However, this does not mean you have removed it. Disabling the adapter will not remove the drivers either. If in the future you would like to use the adapter, simply right-click it and select Enable. D-Link DWA-121 User Manual...

  • Page 11: Wireless Installation Considerations

    Wireless Installation Considerations The D-Link wireless adapter lets you access your network using a wireless connection from virtually anywhere within the operating range of your wireless network. Keep in mind the number and thickness of walls and ceilings, as well as the location of other objects that the wireless signals must pass through, may limit the range.

  • Page 12: Adapter Installation

    Section 2 - Installation Adapter Installation Warning: Do NOT plug the DWA-121 Wireless N 150 Pico USB Adapter into your computer before installing the driver software from the D-Link CD. Turn on the computer and Insert the D-Link DWA-121 Driver CD into the CD-ROM drive.
  • Page 13 Section 2 - Installation Select your language from the list and click Next to continue. You will see the Installation Wizard welcome window. Click Next to continue. D-Link DWA-121 User Manual...
  • Page 14 Select an existing folder, or create a new Program Folder, which will be used to hold program icons. Click Next. Insert the DWA-121 into an available USB port on your computer and click Next. If the Found New Hardware Wizard appears, click Cancel.
  • Page 15 To manually connect to your wireless network, select Manually type your Network Name (SSID) and Password and then click Next. for the more secure option, Use “Wi-Fi® Protected Setup (WPS)” on page 18 the Wi-Fi Protected Setup (WPS) wizard for simplified Wireless connection. D-Link DWA-121 User Manual...
  • Page 16 If you entered your Network Name incorrectly, you will be directed to the Site Survey page. Click Scan to scan for the name of your wireless network on the Site Survey page. Scan the list of wireless networks. Click on your Wireless Network Name and click Next. D-Link DWA-121 User Manual...
  • Page 17 Section 2 - Installation Click Finish to complete the installation. If you are prompted to reboot your computer, select Yes, I want to restart my computer now. D-Link DWA-121 User Manual...

  • Page 18: Wi-Fi Protected Setup (Wps)

    (WPS) wizard for simplified Wireless connection and click Next. Press the WPS button on your router, and within 120 seconds, click on Connect Now, which is the virtual button on the screen. Note: Refer to your router’s user manual for more information about WPS. D-Link DWA-121 User Manual...
  • Page 19 Section 2 - Installation Wait while the router establishes connection. When the screen appears that says Connected, you have successfully established connectivity. Click Finish to complete your setup. D-Link DWA-121 User Manual...

  • Page 20: Configuration

    This section will show you how to configure your new D-Link wireless adapter. D-Link Wireless Connection Manager The D-Link DWA-121 uses the Wireless Connection Manager as the management software. This is a user interface that makes it easy to change any settings related to your wireless adapter.

  • Page 21: Wireless Networks List

    Wireless Networks List The DWA-121 Wireless Connection Manager window contains a Wireless Networks list. It will display all wireless networks that are currently available in your area. To connect to a network, simply highlight the wireless network (SSID) and click Connect.

  • Page 22: Personal Identification Number (Pin)

    Write down the number you see on the screen. You will need it in order to connect with your wireless network. After you click Next, you will have 120 seconds to enter the PIN number into your access point or wireless router. Note: Refer to your router’s manual for instructions. D-Link DWA-121 User Manual...
  • Page 23 Section 3 - Configuration Wait while the adapter tries to establish connectivity to your access point or wireless router. When the screen appears that says Connected, you have successfully established connectivity. Click Finish to complete your setup. D-Link DWA-121 User Manual...

  • Page 24: Push Button Configuration (Pbc)

    To connect to your network using the WPS push button configuration method, press the WPS button on the router until it lights up. Click on Connect Now, which is the virtual button on the screen. Note: Refer to your router’s user manual for more information about WPS. D-Link DWA-121 User Manual...

  • Page 25: My Wireless Networks

    Click Activate to use a profile. Allow up to 30 seconds to connect to the wireless network. Profile Details: The Profile Details section displays information about the wireless network selected above, such as the Network Name (SSID), Network Type (Infrastructure), and if the network is secured. D-Link DWA-121 User Manual...

  • Page 26: Add Profile

    Infrastructure. (Ad-hoc mode is not supported.) Set Security Enter the security settings of the network you are connecting Option: to. Refer to the Wireless Basics section for more information. OK Button: Click OK to save your settings. D-Link DWA-121 User Manual...

  • Page 27: Modify Profile

    Displays the network type. Set Security Displays the type of wireless security for the network you Option: are connecting to. OK Button: If you modify any of the fields above, click OK to save your settings. D-Link DWA-121 User Manual...

  • Page 28: Support

    Section 3 - Configuration Support If you need help, click Support, located to the right of the My Wireless Networks tab. A panel will appear to the right of the utility, which will display information about the utility. D-Link DWA-121 User Manual...

  • Page 29: About

    Section 3 - Configuration About The About screen, which becomes visible when the Support panel opens, provides the Driver Version, Utility Version, and MAC Address of the DWA-121. D-Link DWA-121 User Manual...

  • Page 30: Connect To A Wireless Network

    1. Click on the wireless computer icon in your system tray (lower- right corner next to the time). 2. A list of available wireless networks will appear. 3. Click the wireless network (SSID) you want to connect to and then click Connect. D-Link DWA-121 User Manual...

  • Page 31: D-Link Dwa-121 User Manual

    If you get a good signal but cannot access the Internet, confirm the encryption by reviewing the profile or check the TCP/IP settings for your wireless adapter. Refer to the Networking Basics section in this manual for more information. D-Link DWA-121 User Manual...

  • Page 32: Windows® 7

    Section 3 - Configuration Windows® 7 1. Click on the wireless icon in your system tray (lower-right corner). 2. The utility will display any available wireless networks in your area. D-Link DWA-121 User Manual...
  • Page 33 It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the security settings are correct. The key or passphrase must be exactly the same as on the wireless router. D-Link DWA-121 User Manual...

  • Page 34: Windows Vista

    (lower right corner of screen). Select Connect to a network. 2. The utility will display any available wireless networks in your area. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DWA-121 User Manual...
  • Page 35 It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the security settings are correct. The key or passphrase must be exactly the same as on the wireless router. D-Link DWA-121 User Manual...

  • Page 36: Windows® Xp

    (lower-right corner of screen). Select View Available Wireless Networks. 2. The utility will display any available wireless networks in your area. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DWA-121 User Manual...
  • Page 37 It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the WPA/WPA2-Personal settings are correct. The WPA/WPA2-Personal passphrase must be exactly the same as on the wireless router or access point. D-Link DWA-121 User Manual...

  • Page 38: Troubleshooting

    Section 5 - Troubleshooting Troubleshooting This chapter provides solutions to problems that can occur during the installation and operation of the DWA-121. Read the following descriptions if you are having problems. (The examples below are illustrated in Windows XP. If you have a different operating system, the screen shots on your ®...
  • Page 39 Right-click on D-Link DWA-121 USB Adapter. Select Properties to check that the drivers are installed properly. D-Link DWA-121 Wireless N 150 Pico USB Adapter Look under Device Status to check that the device is working properly. Click OK to continue.
  • Page 40 2. The computer does not recognize the DWA-121 Wireless N 150 Pico USB Adapter. Make sure that the DWA-121 Wireless USB Adapter is properly seated in the computer’s USB port. If Windows does not detect the hardware upon insertion of the adapter, try a different port. Also, make sure to completely remove the drivers that were previously loaded.

  • Page 41: Wireless Basics

    D-Link wireless products are based on industry standards to provide easy-to-use and compatible high-speed wireless connectivity within your home, business or public access wireless networks. Strictly adhering to the IEEE standard, the D-Link wireless family of products will allow you to securely access the data you want, when and where you want it.
  • Page 42 D-Link is the worldwide leader and award winning designer, developer, and manufacturer of networking products. D-Link delivers the performance you need at a price you can afford. D-Link has all the products you need to build your network. How does wireless work? Wireless works similar to how cordless phone work, through radio signals to transmit data from one point A to point B.
  • Page 43 Appendix A - Wireless Basics Who uses wireless? Wireless technology as become so popular in recent years that almost everyone is using it, whether it’s for home, office, business, D-Link has a wireless solution for it. Home • Gives everyone at home broadband access •...
  • Page 44 The wireless connection in public places is usually called “hotspots”. Using a D-Link wireless desktop adapter with your laptop, you can access the hotspot to connect to Internet from remote locations like: Airports, Hotels, Coffee Shops, Libraries, Restaurants, and Convention Centers.

  • Page 45: Wireless Modes

    • Ad-Hoc – Directly connecting to another computer, for peer-to-peer communication, using wireless network adapters on each computer. Unfortunately 802.11g/n products such as the DWA-121 do not support ad-hoc mode. An Infrastructure network contains an Access Point or wireless router. All the wireless devices, or clients, will connect to the wireless router or access point.

  • Page 46: Networking Basics

    Check your IP address After you install your new D-Link wireless adapter and have established a wireless connection, by default, the TCP/IP settings should be set to obtain an IP address from a DHCP server (i.e., router) automatically. To verify your IP address, please follow the steps below.

  • Page 47: Statically Assign An Ip Address

    • Press the Windows key and then type IP. Click Settings on the right side and then click View Network Connections. • Right-click on the adapter which represents your D-Link wireless network adapter. • Highlight Internet Protocol Version 4 (TCP /IPv4) and click Properties.

  • Page 48: Windows® 7/ Vista® Users

    Manage network connections along the left panel in the window. For Windows® 7, click on Change adapter settings. • Right-click on the Local Area Connection which represents your D-Link wireless network adapter which will be connected to your network.

  • Page 49: Windows® Xp Users

    • Click on Start > Control Panel. Make sure you are in Classic View. Double-click on the Network Connections icon. • Right-click on the Local Area Connection which represents your D-Link wireless network adapter (or other adapter) which will be connected to your router.

  • Page 50: Technical Specifications

    * Maximum wireless signal rate derived from IEEE Standard 802.11n and 802.11g specifications. Actual data throughput will vary. Network conditions and environmental factors, including volume of network traffic, building materials and construction, and network overhead, lower actual data throughput rate. Environmental factors will adversely affect wireless signal range. D-Link DWA-121 User Manual...

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