Pattern to record: The system fails at the same early stage even with minimum known-good hardware.

Record the boot configuration

A managed business PC may depend on an approved Secure Boot policy, TPM state and recovery credentials. Record the exact warning and recent change before resetting firmware or replacing hardware. One possible explanation is that stored firmware code is incomplete or internally inconsistent.

Preserve recovery options

Security resets can make encrypted data inaccessible without recovery credentials. An interrupted or wrong firmware image can leave the board unbootable.

Firmware and hardware checks

1. Record encryption status and approved policy before changing TPM or Secure Boot settings.
2. Use the board's supported recovery check and verify firmware integrity before writing anything.

Recovery and startup checks

If the checks support this cause, recover or reflash the exact signed firmware using stable power. Verification should cover authorised sign-in, restart, updates, encryption status and managed applications.

For an assessment of your business computer, contact AEPC in Burswood or call 027 908 8880. Provide the model and the conditions that reproduce this problem. Workshop visits are by appointment.