Huawei HG531 V1, User Manual, Page: 17 / 23

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if the voltage is too high or too low, do not use the
HG531 V1
. Wait until the voltage recovers, and then use the
HG531 V1
.
c. Check that the
HG531 V1
is securely connected to the socket using its power adapter.
If the Power indicator is still off, contact an authorized maintenance center.
2. After powering on the HG531 V1, 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
HG531 V1
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
HG531 V1
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
HG531 V1
. After 5 minutes, power on the
HG531 V1
, and
use the PPP dial-up software to dial again.
b. Restore the
HG531 V1
to its default settings.
If the problem persists, contact your network service provider.