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Step 3
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.
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:
3. On the desktop, right-click
My Computer,
and then choose
Manage
.
4. In the navigation tree of the
Computer Management
window,
choose
Device Manager
.
5. 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 dial-up software.
The user name and the user password are provided by your network operator.
Step 6
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.
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
