User's Guide

Chapter 16 Troubleshooting
EMG3435-Q20A User’s Guide
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1 Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
Start Guide.
2 Go to Expe rt > Ma inte na nc e > O pe ra tio n Mo de . Check your System Operation Mode setting.
• If the EMG3435-Q20A is in Ro ute r Mo de , make sure the WAN port is connected to a broadband
modem or router with Internet access. Your computer and the EMG3435-Q20A should be in the
same subnet.
• If the EMG3435-Q20A is in Ac c e ss Po int Mo de , make sure the WAN port is connected to a
broadband modem or router with Internet access and your computer is set to obtain an dynamic
IP address.
3 If the EMG3435-Q20A is in Ro ute r Mo de , make sure you entered your ISP account information correctly in
the wizard or the WAN screen. These fields are case-sensitive, so make sure [Caps Lock] is not on.
4 If you are trying to access the Internet wirelessly, make sure the wireless settings in the wireless client are
the same as the settings in the AP.
5 Disconnect all the cables from your device, and follow the directions in the Quick Start Guide again.
6 If the problem continues, contact your ISP.
I cannot access the Internet anymore. I had access to the Internet (with the EMG3435-Q20A), but
my Internet connection is not available anymore.
1 Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
Start Guide and
Section 1.7 on page 12.
2 Reboot the EMG3435-Q20A.
3 If the problem continues, contact your ISP.
The Internet connection is slow or intermittent.
1 There might be a lot of traffic on the network. Look at the LEDs, and check Section 1.7 on page 12. If the
EMG3435-Q20A is sending or receiving a lot of information, try closing some programs that use the
Internet, especially peer-to-peer applications.
2 Check the signal strength. If the signal strength is low, try moving the EMG3435-Q20A closer to the AP if
possible, and look around to see if there are any devices that might be interfering with the wireless
network (for example, microwaves, other wireless networks, and so on).
3 Reboot the EMG3435-Q20A.
4 If the problem continues, contact the network administrator or vendor, or try one of the advanced
suggestions.
Adva nc e d Sug g e stion