11
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.
3.
Remove and then insert the network cable or replace the network cable.
If the LAN indicator is still off, contact an authorized maintenance center.
Step 4
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 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.
Step 5
Ensure that you have entered the correct user name and user password that
are required by the PPP dialing software.
The user name and the user password are provided by your network operator.
Step 6
Check whether you can use the PPP dialing software to dial successfully.
If you cannot use the PPP dialing software to dial successfully, perform further
checks as follows:
1.
Stop the PPP dialing software and then power off the terminal. After
five minutes, power on the terminal and use the PPP dialing software to
dial again.
2.
Restore the default settings of the terminal.
If the problem persists, contact your network operator.
Step 7
Check whether the proxy server of the Web browser is correctly
configured. Take the Internet Explorer installed on a computer that runs
Windows XP as an example. To check whether the proxy server of the Web
browser is correctly configured, do as follows:
1.
Launch the Internet Explorer.
2.
Choose
Tools
>
Internet Options
.
3.
In the
Internet Options
dialog box, click the
Connections
tab.
4.
In the
Local Area Network (LAN) settings
group box, click
LAN
Settings
.
5.
In the
Proxy server
group box of the
Local Area Network (LAN)