Huawei HG552e, Руководство пользователя

Страница: 20 / 28

17
2.
After powering on the HG552e, wait for about 3 minutes. Then check whether the ADSL
indicator turns steady on.
a) Check that the telephone line is correctly and securely connected, especially the
connection between the telephone line and the splitter.
b) Check that the HG552e and telephone line are located far from any electric appliances
that generate strong magnetic or electric fields. Replace the telephone line when
necessary.
If the ADSL indicator is still off, contact your network service provider.
3.
Check whether the LAN indicator is on. If the LAN indicator is off, perform further checks as
follows:
a) Check that the network adapter on your computer is enabled.
b) Check that the network cable between the HG552e and the computer is securely
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.
4.
Check that the driver for the network adapter is correctly installed. The following example
uses a computer running the Windows XP operating system to check whether the driver for
the network adapter is installed:
a) Right-click
My Computer , and choose Manage from the displayed shortcut menu.
b) In the Computer Management window, click Device Manager .
c) In the right pane of the Computer Management window, click Network adapters .
If no network adapter is found or if a question mark (?) or an exclamation mark (!) is displayed
next to the network adapter icon, the driver for the network adapter is not correctly installed.
Re-install the driver.
5.
Check that PPP dial-up software is installed and parameters are set correctly. For details
about parameter settings, see the user guide for the PPP dial-up software.
6.
Check that you have entered the correct user name and password required by the PPP dial-
up software. The user name and password are provided by your network service provider.
7.
Check that you can use the PPP dial-up software to set up dial-up connection. If the dial-up
connection fails, perform further checks as follows:
a) Close the PPP dial-up software, and power off the HG552e. After 5 minutes, power on
the HG552e, and use the PPP dial-up software to dial again.
b) Restore the HG552e to its default settings.
If the problem persists, contact your network service provider.
8.
Check that the proxy server of the browser is correctly configured. The following example
uses Internet Explorer on the Windows XP operating system to check whether the proxy
server of the browser is correctly configured:
a) Launch Internet Explorer.
b) Choose
Tools > Internet Options .
c) In the Internet Options dialog box, click the Connections tab.