Whether it is the original system or the ghost system, you can use the software of floppy disk to burn ISO images to U disk and CD. Enter BIOS settings when starting up, and start up with U disk or CD to enter the system installation. If you don't have a USB flash drive and a CD-ROM drive, you can directly decompress ISO files with compression software. After the original system is decompressed, double-click the setup.exe in the decompressed folder to install it, step by step, with almost no difficulty. After the ghost system is decompressed, you can find an exe executable program similar to "Install System". Exe ",double-click to run. Select the recovery system in the pop-up window and select. Gho files are gho files in the unzipped folder, which is easy to distinguish. The size is about 1-3G, and the size of the ghost system is different. (Drive letter) The default drive C on the partition side does not need to be changed. Then perform a recovery. As shown in the figure: