Step 1: Download the firmware and save the file to your computer. You may want to save the file to your desktop. Do not try to run or launch the file – it will not work.
WARNING: DO NOT upgrade the firmware with a wireless connection. You may damage the . Also, doing so could void the warranty.
Step 2: Open a web browser and type the IP address of thein the address bar (default is 192.168.0.30). Press Enter.
Step 3: The default username is admin (all lower case) and the default password is blank (nothing). Click OK.
Step 4: Click the Tools tab and then clickto the left.
Step 5: BelowUpgrade click Browse… and navigate to the .bin or .tfp file you downloaded in Step 1. Left-click the file once to select it and then click Open.
Step 6: Click Apply. It will take a few seconds for the upgrade to complete. Click Continue.
After the reboots, close your web browser and re-open it. Enter the IP address of the D-Link DWL-G730AP (default is 192.168.0.30) to reconnect to the web-based configuration. Enter username admin and again leave the password blank. Click OK.
Step 8: Click on the Tools tab then click Firmware to the left. If next to Current Firmware Version the new version is displayed then the firmware upgrade is now complete. If the firmware version has not changed then start over again from Step 2.
Step 9: If you have problems with the web-based configuration at this point, unplug the power to the DWL-G730AP, wait 10 seconds, and plug it back in. Repeat Step 7. If this did not help, perform a hard reset on the DWL-G730AP. To perform a hard reset, use a paperclip and hold down the reset button on the back of the unit for 10 seconds while the device is powered on. Release it and the DWL-G730AP will reboot, the lights will blink, and then stabilize. Repeat Step 7.
Step 10: You can now reconfigure the D-Link DWL-G730AP.
Check here you can see the DWL-G730AP User manaul.