fix the hard disk in the computer case. Then boot into the BIOS, set the disk mode to AHCI mode, and the NCQ of AHCI should also be turned on. Load the original Windows7 installation image of Microsoft with CD or boot USB flash drive (you must not use the messy GHOST version).
Solid State Drives, referred to as hard disks for short, are hard disks made of solid-state electronic memory chip arrays, and consist of control units and storage units (FLASH chips and DRAM chips). Solid-state hard disk is exactly the same as ordinary hard disk in the specification and definition of interface, function and usage, and the product shape and size are also completely the same as ordinary hard disk. It is widely used in military, vehicle, industrial control, video monitoring, network monitoring, network terminals, electric power, medical care, aviation, navigation equipment and other fields.