Download Dechk V2.1 _best_
Your system BIOS may have locked SMBus access. Reboot → Enter BIOS Setup → Enable "Legacy SMBus Access" or "Diagnostic Mode" (varies by model).
DeCHK (short for ) v2.1 is the final stable release of this proprietary tool, used by IT professionals worldwide to validate CPU integrity, memory health, thermal zone status, and power supply unit (PSU) functionality. Unlike bulky software suites, DeCHK v2.1 runs independently of the OS kernel, making it invaluable for pre-boot and low-level hardware auditing. download dechk v2.1
[Memory] Error at physical address 0x7F8A3C00 Expected: 0x00000000, Read: 0x80000000 -> FAIL: Replace DIMM in slot A2 Your system BIOS may have locked SMBus access