D-Link manual Computer does not recognize the DWA-542 Wireless Adapter

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Section 5 - Troubleshooting

5.The computer does not recognize the DWA-542 Wireless Adapter.

Make sure that the DWA-542 Wireless Adapter is properly seated in the computer’s PCI slot.

If Windows does not detect the hardware upon insertion of the adapter, make sure to completely remove drivers that were previously loaded. To remove the drivers, do the following:

A.Under Tools > select Folder Options… > select View > under Hidden files and folders > select Show hidden files and folders.

B.Uncheck Hide extension for known file types > click on Apply

C.Search for previously loaded driver files. Remove these files from the INF and SYSTEM (DRIVERS) folders in the Windows directory. Note: Windows® XP and 2000 will rename .inf files that have not received WHQL certification into oem.inf files (e.g., oem1.inf).

6.The computer with the DWA-542 installed is unable to connect to the wireless network and/or the Internet.

Check that the LED indicators for the broadband modem are indicating normal activity. If not, there may be a problem with the broadband connection.

Check that the LED indicators on the wireless router are functioning properly. If not, check that the AC power and Ethernet cables are firmly connected.

Check that the IP Address, subnet mask, gateway, and DNS settings are correctly entered for the network.

D-Link DWA-542 User Manual

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Contents Page Table of Contents ProductPackageOverviewContents Introduction Features Wlan LED Hardware OverviewInstallation Remove Existing InstallationsGetting Started Disable Other Wireless Adapters DisableProperties Installation Wireless Installation Considerations Click Install Drivers Adapter InstallationInstallation Click Continue Anyway Installation Configuration Link Wireless Connection ManagerDouble-click the Wireless Connection Wireless Networks New Button Modify Delete Active My Wireless NetworksAdd Profile Modify Profile Support About Windows XP Configuration Utility Disabling The Windows XP Utility Choose a Wireless Network window click ChangeConfiguration What is WEP? Wireless SecurityWhat is WPA? Using the D-Link Wireless Connection Manager Configure WEPSelect WEP under Set Security Option Using the Windows XP Utility Wireless Security Configure WPA/WPA2 Passphrase Select WPA/WPA2 Passphrase under Set Security Option Configure WPA/WPA2 Passphrase Wireless Security Configure WPA/WPA2 Troubleshooting Right-click on D-Link DWA-542 Wireless Desktop Adapter Cannot connect to the access point or the wireless router DWA-542 Power and Link lights are not onForgot my encryption key Uncheck Hide extension for known file types click on Apply Computer does not recognize the DWA-542 Wireless AdapterHow can I troubleshoot distance issues using the DWA-542? Wireless Basics Wireless Local Area Network Wlan What is Wireless?Wireless Personal Area Network Wpan HomeSmall Office and Home Office Eliminate Interference Centralize your router or Access PointSecurity Wireless ModesCheck your IP address Networking BasicsStep Highlight Internet Protocol TCP/IP and click Properties StepSecurity Technical SpecificationsPhone Support Contacting Technical SupportLimited Warranty WarrantyNon-Applicability of Warranty Limited Software WarrantyDisclaimer of Other Warranties What Is Not CoveredCopyright Statement Limitation of LiabilityGoverning Law TrademarksFCC Statement CE Mark WarningIndustry Canada Notice IC statementIC Radiation Exposure Statement Registration