Hardware checks are essential for maintaining the health and performance of your Apple devices. Whether you're troubleshooting issues, preparing for an upgrade, or simply ensuring everything is running smoothly, knowing how to perform these checks is crucial. This article will guide you through various methods to conduct hardware checks on macOS, including using built-in tools and third-party applications.

Examples:

1. Using Apple Diagnostics: Apple Diagnostics is a built-in tool that helps you identify potential hardware issues. To run Apple Diagnostics:

   • Shut down your Mac.
   • Turn it on and immediately press and hold the "D" key.
   • Release the key when you see a progress bar or are asked to choose a language.
   • Follow the on-screen instructions to complete the diagnostic test.

2. Using System Information: The System Information app provides detailed information about your Mac's hardware and software. To access it:

   • Click on the Apple menu and select "About This Mac."
   • Click on "System Report."
   • Browse through the different sections to view information about your hardware, such as memory, storage, and network interfaces.

3. Using Terminal Commands: Terminal is a powerful tool for advanced users to check hardware status. Here are some useful commands:

   • To check disk usage: df -h
   • To get detailed information about your Mac's hardware: system_profiler SPHardwareDataType
   • To check the status of your battery: pmset -g batt

4. Using Third-Party Applications: Several third-party applications can help you perform more comprehensive hardware checks. Some popular ones include:

   • iStat Menus: Provides real-time monitoring of CPU, GPU, memory, disks, and network usage.
   • TechTool Pro: Offers advanced diagnostics and repair tools for your Mac's hardware and software.