Section 1 - Product Overview Product Overview Package Contents D-Link DWA-140 Wireless N USB Mini Adapter Cradle CD with drivers and user manual Quick install Guide System Requirements • Windows® 8, 7, Vista®, or XP (32/64-bit) • CD-ROM Drive (must support 80mm Mini CD) •...
Introduction The DWA-140 Wireless N USB Mini Adapter is a convenient wireless connectivity solution for desktop or notebook PCs. Instead of stringing Ethernet cables to your PC or dismantling your desktop computer case, the DWA-140 can enable 802.11n wireless connectivity by simply utilizing your desktop or notebook PC’s USB port.
Protected Access) providing you a much higher level of security for your data and communication than has previously been available. • Position the DWA-140 almost anywhere in your workspace to achieve the best reception possible. • Supports Infrastructure networks via an access point or wireless router.
If the light is off, the adapter is not properly installed. Press the WPS button to automatically connect to a WPS-enabled wireless router or access point and WPS Button establish connectivity. Refer to page 15. D-Link DWA-140 User Manual...
Remove Existing Installations If you’ve installed a different manufacture’s adapter or a different model D-Link adapter, make sure the software is uninstalled before installing the new software. Some utilities may cause a conflict with the new software. If you plan to use multiple adapters at different times, make sure the utilities are not set to load when your computer boots up.
Section 2 - Installation Disable Other Adapters Most newer laptops may include a built-in wireless adapter. To prevent any conflicts with the D-Link wireless adapter, it is recommended to disable the wireless adapter (as well as any unused Ethernet adapters).
Page 9
When the adapter is disabled, a down arrow or a grayed icon will be displayed. Disabling the adapter will not remove the drivers. If you would like to use the adapter, simply right-click it and select Enable. D-Link DWA-140 User Manual...
The key to maximizing wireless range is to follow these basic guidelines: 1. Keep the number of walls and ceilings between the D-Link adapter and other network devices to a minimum - each wall or ceiling can reduce your adapter’s range from 3-90 feet (1-30 meters.) Position your devices so that the number of walls or ceilings is minimized.
Section 2 - Installation Adapter Installation Warning: Do NOT connect the DWA-140 Wireless N USB Mini Adapter to your computer before installing the driver software from the D-Link CD. Turn on the computer and insert the D-Link DWA-140 Driver CD in the CD-ROM drive.
Page 12
Section 2 - Installation The InstallShield Wizard window will appear. Once the Welcome screen appears, click Next to continue. Connect the DWA-140 adapter to an available USB slot on your computer. Click Install to continue. D-Link DWA-140 User Manual...
Page 13
Section 2 - Installation The DWA-140 drivers will now be installed. This may take up to one minute. Your DWA-140 adapter is now installed. D-Link DWA-140 User Manual...
“Push Button Configuration” (PBC) is a physical button on the DWA-140 and most wireless devices such as routers. A connection can be established by pressing the WPS button on the DWA-140 and then pushing the button on your access point or wireless router within 120 seconds.
2. A list of available wireless networks will appear. 3. Click the wireless network (SSID) you want to connect to and then click Connect. 4. If the network is secure/encrypted, enter the Wi-Fi password (security key) and click Next. D-Link DWA-140 User Manual...
Page 16
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-140 User Manual...
Section 3 - Connect to a Wireless Network 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-140 User Manual...
Page 18
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-140 User Manual...
1. Open the Wireless Utility by right-clicking on the wireless computer icon in your system tray (lower right corner of screen). Select Connect to a network. 2. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DWA-140 User Manual...
Page 20
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-140 User Manual...
1. Open the Windows XP Wireless Utility by right-clicking on the wireless computer icon in your system tray (lower-right corner of screen). Select View Available Wireless Networks. 2. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DWA-140 User Manual...
Page 22
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-140 User Manual...
Section 4 - Troubleshooting Troubleshooting This chapter provides solutions to problems that can occur during the installation and operation of the DWA-140. Read the following descriptions if you are having problems. 1. How do I know if my adapter is installed properly? Windows XP - Go to Start >...
Page 24
Section 4 - Troubleshooting Click the + sign next to Network Adapters. Right-click on D-Link DWA-140 Wireless N USB Mini Adapter. Select Properties to check that the drivers are installed properly. Look under Device Status to check that the device is working properly.
Page 25
• In Infrastructure mode, make sure the same Service Set Identifier (SSID) is specified on the settings for the wireless clients and access points. By default, the SSID factory setting for D-Link products is blank. (Double-click on the WLAN icon in the taskbar. The Link Info screen will display the SSID setting.)
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 27
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 28
Who uses wireless? Wireless technology has become so popular in recent years that almost everyone is using it, whether it’s for home, office, or business, D-Link has a wireless solution for it. Home • Gives everyone at home broadband access •...
Page 29
The wireless connection in public places is usually called “hotspots”. Using a D-Link USB Adapter with your laptop, you can access the hotspot to connect to the Internet from remote locations like: Airports, Hotels, Coffee Shops, Libraries, Restaurants, and Convention Centers.
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. An Ad-Hoc network contains only clients, such as laptops with wireless USB Adapters. All the adapters must be in Ad-Hoc mode to communicate. D-Link DWA-140 User Manual...
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.
• 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.
Windows Vista, click on 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. • Highlight Internet Protocol Version 4 (TCP /IPv4) and click Properties.
Windows® 8 Users • 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.
* 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-140 User Manual...