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[Hardware troubleshooting] How to fix the Services of the server Server Room with SN starting with 9S or F6N failing to Power On on after a power outage

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Problem Description

Phenomenon:
After manually Power On the computer, the power button light is still yellow, the fan is running at full speed, and the monitor is black.

solution

  1. Unplug the power cord and turn off the power for 2 min. Then press the Power On button to Power On Connected.
  2. Equip the server with a UPS power supply to ensure the stability and reliability of the server's external power supply environment. Passed UPS can also Monitor and record the fluctuation of mains power.
    Cause: This is the manufacturer's motherboard design. The instantaneous power-off Time is less than 2s. The System has not been fully discharged, that is, the BMC has not been completely powered off. At this moment, the BMC cannot be completely started after powering on again, and File Settings file cannot Connected read normally. The System cannot be restarted after Restart and restarting. It is necessary to power off for more than 5S and then power on again, and press the power button Connected start normally.

Original Link

https://support.sangfor.com.cn/cases/list?product_id=156&type=1&category_id=22674&isOpen=true