Need help on troubleshooting HP Proliant ML350 G3 server

I have an old HP Proliant ML350 G3 server. Today, the server restarted by itself and hanging on Windows Server starting up screen. I restarted a few more times, it does hang on the starting-up screen again.
When I looked at the front panel led, it shows Internet health led is Amber. So I looked at system board, it shows a LED related to Processor is also amber.
I can't figure what could cause the processor amber, the server was sitting in the server room firmly, no physical force was made to the server. What can affect processor failure except it's old?
Can it be fixed by going to Post configuration? How?
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crcsupportAsked:
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andyalderSaggar maker's framemakerCommented:
Is the PPM LED on as well? They are much less reliable than the CPUs since they're high power.

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crcsupportAuthor Commented:
I can't see if it's PPM LED or or Processor led because processor heatsink is covering it, but one of them is on. I pulled out and reset the PPM power controller card on system board, the processor led and internal health led is gone, but Windows server starting up[ screen is still hanging.
crcsupportAuthor Commented:
How to start on safe mode in Proliant ML350 G3? I tried F8 didn't work.
crcsupportAuthor Commented:
F8 works. Let's see..
crcsupportAuthor Commented:
It seems as it had multiple problems.
First, the PPM power controller was reset and processor failure led is gone.
Then, starting up problem was resolved after i uninstalled AVG antivirus which was not used.

Thanks a lot.
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