Created on
01-28-2025
10:21 AM
Edited on
12-19-2025
06:40 AM
By
Stephen_G
This article describes how to handle a scenario where a FortiGate fails to power on, and how to collect relevant logs to diagnose the problem effectively.
FortiGate.
The following steps demonstrate how to troubleshoot, verify, and share information with a Fortinet TAC engineer when a FortiGate is not powered on.
Look for any visible damage to the power cable or adapter. If possible, replace it with a known working unit.
Check for Power LED Indicators:
Observe the Power LED indicators on the firewall. If no lights are visible, the unit might not be receiving power.
The following photo shows the LED status when the firewall is powered up and fully functional:
The following photo shows the LED status when the firewall is not functioning:
Check with an alternative PSU:
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