If a manager's computer does not have a Serial ATA connector, what should you do to install a Serial ATA HDD?

To install a Serial ATA (SATA) hard disk drive (HDD) on a computer that lacks a SATA connector, utilizing a Serial ATA host adapter in an expansion slot is the most appropriate solution. This adapter adds SATA functionality to the motherboard, allowing you to connect SATA devices. Typically, these adapters are easy to install and provide the necessary connectors for SATA HDDs, thereby making it possible to use modern storage solutions on older systems.

This option effectively resolves the issue of the absence of SATA connectors by integrating the required technology directly into the system, enabling compatibility with newer HDD models. It's a common practice when upgrading or expanding a computer's storage capabilities, especially in systems that were built before SATA became the standard.

The other approaches, while potentially valid in different contexts, do not directly address the scenario in the most efficient manner. For example, replacing the motherboard with one that has SATA connectors would be a more drastic measure, potentially involving significant time, effort, and cost. Similarly, using an IDE connector is not feasible as SATA and IDE are different interfaces and not compatible with one another. Utilizing an external SATA to USB converter is another alternative but primarily serves for external HDDs rather than an internal installation, which is the focus of the question. Thus