H3C S5820V2-52Q - No Terminal Display; Garbled Terminal Display

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No terminal display
Symptom
The configuration terminal displays nothing when the switch is powered on.
Solution
To resolve the problem:
1. Verify that the power supply is supplying power to the switch.
2. Verify that the console cable is correctly connected.
3. Verify that the console cable does not have any problems and the terminal settings are correct.
4. If the problem persists, contact H3C Support.
Garbled terminal display
Symptom
Terminal display is garbled.
Solution
To resolve the problem:
1. Verify that the following settings are configured for the terminal:
{ Baud rate—9,600.
{ Data bits—8.
{ Parity—none.
{ Stop bits—1.
{ Flow control—none.
2. If the problem persists, contact H3C Support.