User's Manual

Chapter 23 Troubleshooting 137
4 If you are trying to access the
Internet wirelessly, make sure you have enabled the wireless LAN by
the WPS/WLAN button or the Network Setting > Wireless > General screen.
5 Di
sconnect all the cables from your de
vice, and follow the directions in Section 1.2 on page 7. again.
6 If the problem continues, contact your ISP.
 I cannot access the Internet anymore. I had access to the Internet (with the Router), but my
Internet connection is not available anymore.
1 Check the hardware connections, and make sure the LEDs are behaving as expected. See Section 1.3
on page 9.
2 Tu
rn the Router off and on.
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 1.3 on page 9. If
the Router is sending or receiving a lot of information, try closing
some programs that use the
Internet, especially peer-to-peer applications.
2 Tu
rn the Router off and on.
3 If the problem continues, contact the network admini
strator or vendor, or try one of the advanced
suggestions.
Advanced Suggestions
• Check the settings for QoS. If it is d
isable
d, you might consider activating it. If it is enabled, you
might consider raising or lowering the priority for some applications.
23.5 Wireless Internet Access

What factors may cause intermittent or unstabled wireless connection? How can I solve
this problem?
The following factors may cause interference:
• Obstacles: walls, ceilings, furniture, and so on.
• Building Materials: metal doors, aluminum studs.
• Electrical devices: microwaves, monitors, electric motors, cordless phones, and other wireless
dev
ices.