MS-DOS users

1. Place the first MS-DOS diskette into the computer.
2. At the A:\> type setup and press enter to being the installation.
3. Follow the on-screen instructions to complete the installation.

Note: If you discover a bad diskette during the installation, it is recommended that you contact Microsoft for a possible replacement.

Erasing the hard disk drive

The below steps are for users with MS-DOS 5.0+, Windows 3.x, Windows 95, Windows 98, Windows ME, and Windows NT 4.0.

• If you are running or plan on installing Microsoft Windows 2000 please see document CH000544.
• If you are running or plan on installing Microsoft Windows XP please see document CH000647.

1. Place the bootable diskette or disc inside the computer and reboot to get to the DOS prompt. In some cases you may need to boot the computer with CD-ROM support or press a key to boot from the disk.
2. At the MS-DOS prompt type format c: /s
3. The computer will ask you "Are you sure you want to erase everything on drive c:" if you are ok with doing this press "Y" for yes and press enter.

Solution:

Please remember that following the below steps will erase all of the information on your hard disk drive. Once the below steps have been completed, you will not be able to reverse the steps if you want to recover possible lost data. Please make sure that you have checked the above checklist verifying that you have not forgotten a possible important step. Finally, the below steps are the most recommended steps and it is possible that the manufacturer of your computer may have another method of restoring your computer using their software.

Checklist:

The below recommendations are what a user should check before completely erasing their computer hard disk drive and starting over. Following these steps can prevent hours of hassles and headaches.

Did you backup all information on your hard disk drive?
Although most current operating systems have driver support for most hardware have you made sure you have the diskettes/CD's for your computer hardware devices so you can install the hardware after erasing everything?
If you are reinstalling Windows 98 or lower do you have a boot disk?
Have you tested the boot disk or bootable CD to make sure it loads properly?
Do you need an operating system CD or Restore CD to reinstall the operating system?
Do you have the necessary licensing and OEM numbers needed to register your software again?
If you are planning to use a floppy diskette version to install your software you may want to verify all diskettes are accessible to prevent you from erasing the hard disk drive and not being able to recover the data because of a bad diskette.

Additional information:

• If you are looking for information about securely erasing your hard disk drive, or making it difficult or close to impossible to recover or read the old data, we recommend you refer to document CH000520.
• If you are attempting to use a recovery or restore diskette to restore your computer information and are experiencing issues, please refer to document CH000566.

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With more than 2.2 million copies downloaded every month, CPU-Z is the insurance that the detection engine you'll use in your applications is safe and reliable. Every major change in the detection engine is first included in CPU-Z for a validation test before it is added to the CPUID SDK, that ensures that you are always working with a completely debugged engine.