Chapter 26 Troubleshooting
P-2812HNU-51c User’s Guide
310
See the troubleshooting suggestions for
I cannot see or access the Login screen in
Ignore the suggestions about your browser.
I cannot use FTP to upload / download the configuration file. / I cannot use FTP to
upload new firmware.
See the troubleshooting suggestions for
I cannot see or access the Login screen in
Ignore the suggestions about your browser.
I cannot access the P-2812HNU-51c again after configuring a new interface
group.
Make sure your computer is connected to a LAN port in the default group.
Otherwise, you need to use the P-2812HNU-51c’s LAN IP address for the new
group to access the P-2812HNU-51c again.
26.3 Internet Access
I cannot access the Internet.
1
Check the hardware connections, and make sure the LEDs are behaving as
expected. See the Quick Start Guide and
.
2
Make sure you entered your ISP account information correctly in the WAN screens.
These fields are case-sensitive, so make sure [Caps Lock] is not on.
3
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.
4
Disconnect all the cables from your device, and follow the directions in the Quick
Start Guide again.
5
If the problem continues, contact your ISP.
Summary of Contents for P-2812HNU-51c
Page 2: ......
Page 8: ...Safety Warnings P 2812HNU 51c User s Guide 8 ...
Page 10: ...Contents Overview P 2812HNU 51c User s Guide 10 ...
Page 19: ...19 PART I User s Guide ...
Page 20: ...20 ...
Page 73: ...73 PART II Technical Reference ...
Page 74: ...74 ...
Page 88: ...Chapter 4 Status Screens P 2812HNU 51c User s Guide 88 ...
Page 118: ...Chapter 5 WAN Setup P 2812HNU 51c User s Guide 118 ...
Page 204: ...Chapter 9 Voice P 2812HNU 51c User s Guide 204 ...
Page 210: ...Chapter 10 File Sharing P 2812HNU 51c User s Guide 210 ...
Page 216: ...Chapter 11 Firewall P 2812HNU 51c User s Guide 216 ...
Page 223: ...Chapter 12 Certificate P 2812HNU 51c User s Guide 223 Figure 99 Certificate Details ...
Page 232: ...Chapter 13 Static Route P 2812HNU 51c User s Guide 232 ...
Page 236: ...Chapter 14 Policy Forwarding P 2812HNU 51c User s Guide 236 ...
Page 252: ...Chapter 16 Quality of Service QoS P 2812HNU 51c User s Guide 252 ...
Page 274: ...Chapter 19 Universal Plug and Play UPnP P 2812HNU 51c User s Guide 274 ...
Page 284: ...Chapter 21 Interface Group P 2812HNU 51c User s Guide 284 ...
Page 288: ...Chapter 22 System Settings P 2812HNU 51c User s Guide 288 ...
Page 292: ...Chapter 23 Logs P 2812HNU 51c User s Guide 292 ...
Page 300: ...Chapter 24 Tools P 2812HNU 51c User s Guide 300 ...
Page 320: ...Chapter 27 Product Specifications P 2812HNU 51c User s Guide 320 ...
Page 336: ...Appendix A Network Troubleshooting P 2812HNU 51c User s Guide 336 ...
Page 376: ...Appendix C Pop up Windows JavaScripts and Java Permissions P 2812HNU 51c User s Guide 376 ...
Page 388: ...Appendix D IP Addresses and Subnetting P 2812HNU 51c User s Guide 388 ...