Huawei HG521 User Manual - Page 21

Step 3 Step 4 Step 5 Step 6 Step 7 2. Ensure that the terminal or telephone lines are far from the electric appliances that generate strong magnetic or electric fields. Replace telephone lines when necessary. If the ADSL indicator still blinks and does not turn solid on, contact your network operator. Check whether the LAN indicator of the terminal is on. If the LAN indicator is off, perform further checks as follows: 1. Ensure that the network adapter of the computer is enabled. 2. Ensure that the network cable between the terminal and the computer is properly connected. Remove and then insert the network cable or replace the network cable when necessary. If the LAN indicator is still off, contact an authorized maintenance center. Check whether the driver for the network adapter is properly installed. Take a computer that runs Windows XP as an example. To check whether the driver for the network adapter is installed, do as follows: 1. On the desktop, right-click My Computer, and then choose Manage. 2. In the navigation tree of the Computer Management window, choose Device Manager. 3. In the right pane of the Computer Management window, click Network adapters to view the information about the network adapter of the computer. If no network adapter is found or if a question mark (?) or an exclamation mark (!) is displayed next to the icon of the network adapter, you can infer that the driver for the network adapter is not properly installed. In this case, re-install the driver for the network adapter of the computer. Ensure that you have entered the correct user name and user password that are required by the PPP dial-up software. The user name and the user password are provided by your network operator. Check whether you can use the PPP dial-up software to dial successfully. If you cannot use the PPP dial-up software to dial successfully, perform further checks as follows: 1. Stop the PPP dial-up software and then power off the terminal. After five minutes, power on the terminal, and then use the PPP dial-up software to dial again. 2. Restore the default settings of the terminal. If the problem persists, contact your network operator. Check whether the proxy server of the Web browser is correctly configured. Take the Internet Explorer installed on a computer that runs 16