Draytek VIGOR2820 series, User Manual, Page: 7 / 269

Vigor2820 Series User’s Guide vii
5
Trouble Shooting ...........................................................................................253
5.1 Checking If the Hardware Status Is OK or Not.................................................................... 253
5.2 Checking If the Network Connection Settings on Your Computer Is OK or Not ................. 254
5.3 Pinging the Router from Your Computer ............................................................................. 256
5.4 Checking If the ISP Settings are OK or Not ........................................................................ 257
5.5 Problems for 3G Network Connection ................................................................................ 260
5.6 Backing to Factory Default Setting If Necessary ................................................................ 260
5.7 Contacting Your Dealer ....................................................................................................... 261