User's Manual

Chapter 26 Troubleshooting
B222s User’s Guide
176
I cannot access t he I nt ernet anym ore. I had access t o the I nt ernet (with the LTE Device), but
m y I nt ernet connection is not available anym ore.
1 Check the hardware connect ions, and m ake sure t he LEDs are behaving as expect ed. See t he Quick
St art Guide and Section 1.6 on page 18.
2 Turn t he LTE Device off and on.
3 I f t he problem cont inues, cont act your I SP.
The I nt ernet connection is slow or int erm itt ent .
1 There m ight be a lot of t raffic on t he network. Look at t he LEDs, and check Section 1.6 on page 18.
I f t he LTE Device is sending or receiving a lot of inform at ion, try closing som e program s t hat use
the I nt ernet , especially peer- t o-peer applications.
2 Turn t he LTE Device off and on.
3 I f t he problem cont inues, cont act t he net work adm inistrat or or vendor, or try one of the advanced
suggest ions.
Adva nced Suggest ions
• Check the set tings for QoS. I f it is disabled, you m ight consider activating it . I f it is enabled, you
m ight consider raising or lowering t he priority for som e applicat ions.
26.5 Wireless Internet Access
What factors m ay cause int erm it tent or unstabled wireless connect ion? How can I solve t his
problem ?
The following fact ors m ay cause interference:
• Obst acles: walls, ceilings, furnit ure, and so on.
• Building Materials: m etal doors, alum inum st uds.
• Electrical devices: m icrowaves, m onitors, elect ric m ot ors, cordless phones, and ot her wireless
devices.
To optim ize t he speed and qualit y of your wireless connect ion, you can:
• Move your wireless device closer to t he AP if t he signal st rengt h is low.