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February 4th, 2025 10:00
Dell PowerEdge R740 No Longer Boots – Critical RAID Controller Message
Hi everyone,
I have a Dell PowerEdge R740 that has stopped booting into Windows. When I log into the Lifecycle Controller, I see an option labeled "PERC Driver Health Protocol Utility.". Clicking on it gives the message, "Critical Message Handling Completed."
<Private data removed from public view. DELL-Admin> 
Has anyone encountered this issue before? Any suggestions on how to proceed? See screenshots below for more details.
Thanks in advance!
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DELL-Marco B
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February 4th, 2025 15:16
Hello,
in this case it seems a failure on the PERC.
Can you try to remove all hard drives and try to physically reseat PERC card after having power off the server?
Thanks
Sea Biscuit
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February 4th, 2025 19:37
@DELL-Marco B You're right—the PERC failed and had to be replaced with an identical one from a less critical server.