
21
Troubleshooting
This chapter covers potential problems and possible remedies.
21.1 Problems Starting Up the Switch
Table 69 Troubleshooting the 
| PROBLEM | CORRECTIVE ACTION | |
| None of the LEDs | Check the power connection and make sure the power source is turned on. | |
| turn on when you | 
 | |
| If the error persists, you may have a hardware problem. In this case, you should | ||
| turn on the switch. | ||
| 
 | contact your vendor. | 
21.2 Problems Accessing the Switch
Table 70 Troubleshooting Accessing the Switch
| PROBLEM | CORRECTIVE ACTION | 
| I cannot | The administrator username is “admin”. The default administrator password is “1234”. | 
| access the | The username and password are  | 
| web | password and username using the proper casing. If you have changed the password | 
| configurator. | and have now forgotten it, you will need to reset the switch to its factory defaults. | 
| 
 | Press the RESET button on the front panel of the switch for one second and the | 
| 
 | switch automatically reloads its default configuration file. The IP address of the switch | 
| 
 | reverts to “192.168.1.1”. | 
| 
 | Your computer’s and the switch’s IP addresses must be on the same subnet. | 
| 
 | See the following section to check that  | 
| 
 | permissions are allowed. | 
| 
 | 
 | 
21.2.1 Pop-up  Windows, JavaScripts and Java Permissions
In order to use the web configurator you need to allow:
•Web browser 
•JavaScripts (enabled by default).
•Java permissions (enabled by default).
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 | 139 | 
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