Example: Your router’s wireless performance may be affected by interference from other nearby routers. You can change the wireless channel to one which has less interference.
Step 1: Open an Internet browser (such as Internet Explorer) and enter http://dlinkrouter, http://dlinkrouter.local or http://192.168.0.1 into the address bar.
Step 2: Enter your login information in the fields provided. The default username is Admin. Enter your administrator password. If you have not changed the default password, leave this field blank. Click Login.
Step 3: Click Manual Setup
Step 4: Click the Setup tab at the top of the page and click Wireless Connection from the menu on the left-hand side. Click Manual Connection Setup Wizard.
Step 5: Ensure that the Enable Auto Channel Scan box is unchecked.
Step 6: Select a channel from the Wireless Channel drop-down menu. For best results, use channels 1, 6, or 11.
Step 7: Click Save Settings to save your configuration.
Note: In most cases, you only need to change the channel on the router. Most wireless adapters will automatically detect the channel used by your wireless network.