FS S8050-20Q4C Guide De Démarrage Rapide page 14

Troubleshooting
Loading Failure Troubleshooting
After loading fails, the system will keep running in the original version. At this time, users should
them to ensure that physical connections are correct, and begin re-loading. If physical connections
are correct, then check the loading process information displayed on the super terminal to verify if
there are input errors. If there are input errors, correct them and re-load.
User Password Lost Troubleshooting
If system password is lost or forgotten, the following method can be used to reset the password:
Connect the console port of the switch to the computer through the console cable.
Press ctrl + b to enter the Uboot mode.
NOTE:
Forgetting your username and password and restoring them through console port
and password.
Power System Troubleshooting
According to the power indicator on the front panel, the switches can be used to determine whether
the power system of the switch is faulty. If the power supply system is working normally, the power
indicators should remain lit. If the power indicator is unlit, the power supply system is not working.
Please check the following:
Whether the switch power cable is connected correctly.
Whether the power supply of the switch matches the required power supply.
1. Make sure the power supply is normal and the console cable is properly connected.
2. Check if the console cable is the right type.
3. Check if the control cable driver is properly installed on the computer.
4. Ensure the parameters of the Hyper Terminal are correct.
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