A user's computer system fails to finish the startup process and displays the following message:
> No boot disk found.
The system does pass the HDD diagnostic test. Which of the following should the technician do to resolve the issue?
A hard drive that passes diagnostics can still be unbootable when the firmware boot mode does not match the disk's boot configuration. Configuring the BIOS for UEFI allows firmware to boot an operating system installed with a UEFI/GPT boot layout; Secure Boot settings, replacing the drive with NVMe, and upgrading the operating system do not correct that boot-mode mismatch.
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