ZyXEL NWA3550 User Manual download pdf (Page 236)

Chapter 19 Troubleshooting

NWA3550 User’s Guide

236

V The Internet connection is slow or intermittent.

1 There might be a lot of traffic on the network. If the ZyXEL Device is sending or

receiving a lot of information, try closing some programs that use the Internet, especially

peer-to-peer applications.

2 Make sure the ZyXEL Device is installed in a position free of obstructions.

3 Check the signal strength. If the signal is weak, try moving your computer closer to the

ZyXEL Device (if possible), and look around to see if there are any devices that might

be interfering with the wireless network (microwaves, other wireless networks, and so

on).

4 Reboot the ZyXEL Device.

5 If the problem continues, contact the network administrator or vendor, or try the

advanced suggestions.

Advanced Suggestions

• Check the settings for QoS. If it is disabled, you might consider activating it. If it is

enabled, you might consider raising or lowering the priority for some applications.

19.4 Wireless Router/AP Troubleshooting

V I cannot access the ZyXEL Device or ping any computer from the WLAN.

1 Make sure the wireless LAN is enabled on the ZyXEL Device

2 Make sure the wireless adapter on the wireless client is working properly.

3 Make sure the wireless adapter (installed on your computer) is IEEE 802.11 compatible

and supports the same wireless standard as the ZyXEL Device.

4 Make sure your computer (with a wireless adapter installed) is within the transmission

range of the ZyXEL Device.

5 Check that both the ZyXEL Device and your wireless client are using the same wireless

and wireless security settings.

6 Make sure you allow the ZyXEL Device to be remotely accessed through the WLAN

interface. Check your remote management settings.

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ZyXEL NWA3550 User Manual Page 236