Troubleshooting - Huawei D100 User Manual

What to do if a PC in the LAN cannot access the Internet?
1. If the power indicator is off, you need to check whether the power adapter is
normally connected.
2. If the modem indicator if off, you need to check whether the data card is
connected normally.
3. If the signal strength indicator is off, you need to check whether the area is
covered by the network.
4. If the area is covered by the network, you need to check whether the network
mode is correct. For information about network mode, see "Mobile Network
Settings"
5. If the indicator of the Ethernet interfaces blinks, the corresponding Ethernet
interface is normally connected. If the indicator is off, you need to check and
ensure that the related Ethernet connection is normal.
6. You must configure the correct PPP user name and PPP password when you
access the Internet through the device. Check whether they are correct, and
see "错误！未找到引用源。" for details.
7. If the DHCP service is disabled and the PC obtains the IP address dynamically,
the PC also cannot access the Internet. You can change the mode to manually
assign an IP address. See "Configuring the PC Network."
8. Check whether the driver of the network adapter is correctly installed.
9. If the preceding methods cannot solve the problem, please consult you service
provider.
What to do if a PC in the WLAN cannot access the WLAN?
1. If interferences or shields near the device exist, you can adjust the position of
the device. When the signal strength is strong, you can move to the next step.
2. Check and record the following data on the network adapter of your PC: SSID,
WEP type, and key.
3. Check and record the following data on the device: SSID, WEP type, and key.
4. Compare the recorded data, the SSID on the network adapter should be ANY or
be the same as that on the device. The WEP type and key on the network
adapter and device should be the same. Otherwise, you need to change the
data on the network adapter.
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Troubleshooting

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