I want to reinstall the system. Why can't the CD-ROM drive start automatically? Can you start by yourself before? What are the steps? My motherboard belongs to ASUS P5B.

How to install XP system from hard disk under DOS (detailed explanation)

I. Preparatory work

1. Make sure that disks (except C disk), D, E and F in FAT32 format can be used, provided that they are in FAT32 format. It doesn't matter if it's not FAT32 format, but NTFS format. Select a disk to format first, click on my computer, right-click the drive letter after entering, click Format, and select FAT32 format.

2. The necessary documents and software programs:

A.WINDOWS installation package I386 can be extracted from the system CD or downloaded from the internet and then extracted from the image file. There are many ways for you to choose. But remember, you only need to extract I386 package, and everything else is unnecessary.

B smartdrv program of disk accelerator is easy to find and download on the internet.

C.Dwarf DOS toolbox software package (recommended version 4.2) is also available on the Internet.

3. Now put the three things A, B A.B.C in the root directory of the FAT32 format disk you selected, and install the Dwarf DOS software.

The following is the system installation process:

Two. Install the operating system

1. Restart the computer, enter my DOS toolbox and enter DOS operation.

2. (Take the three files A, B, C on disk D mentioned above as an example to illustrate, and so on):

A. after entering DOS, enter d: and press enter.

b.d:\ & gt; At this point, enter dir, press enter, confirm that the root directory of the disk contains SMARTDRV files and I386 files, and then proceed to the next step to format the C disk.

c.d:\ & gt; , enter a: Enter.

D. a: \>, enter the format c:/q, and then press enter. Note that there is a space between format and C. Note that the direction of the slash after C is/instead of \

E a warning will appear on the screen asking if you are sure you want to format drive c, y/n? Y, of course Ha ha!

F. When the screen is still, there will be a prompt. Ignore it, just press enter!

G. enter d: and press enter.

h.d:\ & gt; , enter SMARTDRV, it may not be loaded successfully at one time. If it fails, please enter SMARTDRV again, and if help appears on the screen, please type "smartdrv/?" Indicates that the load was successful.

Id card: \>, enter cd i386 (note that there is a space between cd and i386), and then press Enter.

J.d.: i386 \ > enter winnt at this time and press enter.

Haha, enter a blue screen and press Enter! ! When you enter the system installation, you will be prompted to install it automatically. Go for a drink and eat something and wait for it to install the system automatically.

All three documents mentioned in the article can be found online.

You can get a flash drive.