Clean Install and Formatting of Windows 7

You want a clean install of windows 7 for an upgrade or you want to replace your current operating system. Before we begin please take note of the following. If you have old OS of windows operating system like windows xp and want to migrate to windows 7 then you should first consider checking your system specification as the two operating system has different system requirements. In windows 7 operating system you are required to atleast meet the minimum specification.

Windows 7 operating system requirements from Microsoft

  • 1 gigahertz (GHz) or faster 32 bit (x86) or 64-bit (x64) processor
  • 1 gigabyte (GB) RAM (32 bit) or 2 GB RAM (64 bit)
  • 16 GB available hard disk space (3- bit) or 20 GB (64-bit)
  • DirectX 9 graphics device with WDDM 1.0 or higher driver
  • DVD ROM Drive or bootable flash drive for installation
  • Internet or phone access to activate windows 7

Before we begin please take note that you should already backed up your important files or transferred it to another drive or partition. If you’re going to format a computer for the first time then we can begin with no problem.

  1. Turn on your computer, while booting press Delete button on your keyboard. You’re on BIOS setup now (how to access BIOS setting), check the boot order of your computer, DVD ROM must come first if not, put it in first boot order. Before saving the setting, insert your installation DVD to the DVD ROM then press F10 to save the setting and exit. Your Computer will boot again.
  2. Press any key to boot from DVD ROM as the screen says.
  3. Select your language, time and currency and Keyboard input then press Next.1
  4. Click Install Now to proceed.2
  5. Read and accept license term the press next.3
  6. Choose custom (advanced).4
  7. This time we need to partition the disk. Click the drive you want to install windows 7 then click Drive option (advanced).

    Format – to format a partition. Note that all of the drive’s content will be deleted.
    New – create new partition. Click on the unallocated drive then click new. Input the size you desire.
    Delete – click delete to an unpartitioned or partitioned disk. Note that all of its content will be deleted. You cannot undo once you delete a disk.
    Extend – used to extend the allocation of a disk. For example you have two unallocated disk and you want to extend 50GB to the size of the first disk, then 50GB will be deducted to the second disk.

     The 100 MB System Reserved

    100 MB System reserved partition is used for System Recovery Options, Boot manager Code, Boot Configuration Database, and Startup Files for Bitlocker. If you want 100 MB System Reserved in addition to other drive, you should only use one disk or if you use more than one disk, the other disk should be unallocated, those the 100 MB System Reserved will appear. Note that the 100 MB System Reserved Disk will not be visible after you installed windows 7.

  8. After you partitioned a disk locate the disk where you will install windows 7. Then click next.9
  9. On this process windows will start many times and will ask to press any key to boot from CD. Don’t touch anything as we no longer need to boot from CD. Just wait for the process to finish.10
  10. Input the User name and the computer name. User name will the account of the administrator and computer name will the name of the computer visible to LAN and other devices.11
  11. Set your account password. Click next to skip.12
  12. Type your Windows product key. You can find it at the back of your CD case or skip it to activate your copy later and to test if it is working properly.13
  13. Click use recommended setting to receive latest patches and security updates.14
  14. Set you clock and time zone.15
  15. Choose your computer correct network type. Windows will restart again after network type selection.16
  16. Congratulations! You successfully installed windows 7. You can proceed installing your device’s drivers like VGA driver, audio driver, etc. Don’t forget to activate windows 7 if you still haven’t.17


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