Does anyone know how to reinstall a computer system without a disc

1: You can start it without a disc and use a USB flash drive, and you can go into the BIOS to set the first boot item. 2:

You copy the ghost file to the computer and install it with ghost.,You have to guide into DOS to run ghost before there was a floppy drive.,Use a floppy disk to boot,Now there's basically no such thing only a CD-ROM drive.,So you can only boot the CD-ROM drive.,XP into DOS must guide one-click ghost.,It's to use ghost to do the system.,Restore backup or something.,The principle of one-click recovery is to use ghost to back up the system.,When the time comes, use ghost to restore.,Because it's a fool's type., So you can execute complex commands with just one key, and you don't need to know how to operate ghost!3: One key ghost to say that what you can understand is to back up the C disk, when the system has a problem, or poisoning, you can use him to restore the system.

If you don't use a system disk, you can also do it, but it's more troublesome! It depends on what system you have installed. If it is Windows 9X (Windows 98 or Windows ME), you can copy the contents of the Windows 9X installation CD to a directory on your hard disk, and then go to the installation directory in that directory under DOS (there are many of them).

cab file), and then hit setup on it. If it is winxp win2k win2003, you still have to copy the file into the hard disk, and then find the i386 folder in the file, enter it under dos, and hit winnt. In order to enter the DOS, you need to equip a CD that can boot to the DOS (such as a boot disk of Win9X) or a USB flash drive or floppy disk.

Just rewind with ghost.

Burn a computer system installation CD, such as a computer company special XP installation CD, everywhere on the market, up to 5 yuan to burn one, and then put it into the computer CD-ROM drive, set to start the computer from the disc (if it is a Lenovo computer, boot press F12 can be started from the CD, generally do not need to set up can be started from the CD), wait a few seconds, you can appear XP installation interface, all Chinese interface, easy to understand, generally choose the first item on it, wait a few minutes, The XP system is installed, and even the drivers and commonly used software are available. ok!

Unzip the system to the root directory of a non-system partition (except for the C drive) and run or install the system. exe, select the backup file path (Chinese path is not supported, it is better not to multi-level directory.) Select it, OK, and wait for the system to restart automatically.

There is no disc that can be installed on the hard disk, or you can install it with a USB flash drive, of course, you need to set the hard disk or the USB flash drive in the BIOS as the first boot item! Once you're set up, you're ready to do the same.

1.Hard disk copying can be installed on System 2Image file installation 3Restore with ghost file 4System Restore Direct Restore is also available with the system's built-in System Restore.

The U disk can also install the system, and there are those that specialize in selling the U disk system disk, which can start and install the system.