That is correct, most likely a BIOS problem, it would be best to contact HP support, they may have a new BIOS update or patch for your system.
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Windows for home | Windows 10 | Devices and drivers
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Anonymous
2025-02-02T11:38:09+00:00 It is likely a BIOS problem but not a motherboard problem because After boot the system works comletely fine.
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DaveM121 888.7K Reputation points Independent Advisor2025-02-02T08:00:32+00:00 Thank you for that information, that (HP endpoint security controller problem) usually indicates your BIOS may be corrupt, it would be best to contact HP support, hopefully it is a BIOS issue and an up[date may resolve it, otherwise, it may be a problem with the motherboard.
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Anonymous
2025-02-02T07:48:26+00:00 No just 5 blinks one by one after a certain interval of. 1 or 2 seconds and hp endpoint security controller problem is coming. Important note : everything works fine after boot
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DaveM121 888.7K Reputation points Independent Advisor2025-02-02T07:44:08+00:00 Hi, I am Dave, I will help you with this.
Those LED codes may indicate a problem with your RAM, is there a specific sequence to the blinking of those LED's?