Follow the wizard to assign a drive letter and format it (NTFS is best for Windows-only). Phase 3: Installing on macOS
Many portable drives are "bus-powered," meaning they take power from the computer. If your drive has a separate power adapter (common for larger, 3.5-inch desktop drives), plug it into a wall outlet.
External hard drive not showing up on Windows 10 | crucial.com how to install external hard drive
This guide provides a comprehensive, step-by-step walkthrough for installing external hard drives on both Windows and macOS systems. Phase 1: Physical Installation (Plug and Play)
Your drive will come with a USB-A, USB-C, or Thunderbolt cable. Follow the wizard to assign a drive letter
Insert the appropriate end of the cable into the hard drive.
: Most portable drives (2.5") draw power directly from the USB port. Larger desktop drives (3.5") often require a separate power adapter plugged into a wall outlet. External hard drive not showing up on Windows 10 | crucial
Installing an external hard drive is generally a "plug-and-play" process where the computer recognizes the device automatically. However, new drives or those being switched between Windows and Mac may require initial setup or formatting to work correctly.
If a pop-up appears, select and click OK.
Find the "Unallocated" space, right-click it, and select .