Windows 7 Downgrade Guide

Last Update date : 2014.08.20

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Windows 7 Downgrade Guide

 

win7 downgarde process

1. Perpare to install Windows 7

 

  • Check list before installation
  • Windows 7 installation DVD
  • Need to backup all important data to external HDD or USB memory because all data will be removed.
  • Connect power (The installation could fail in the event of power loss)

2. Set BIOS options

 

  • Change BIOS option to Windows 7 compatible mode
  • Enter the BIOS setup by pressing F2 key during the system booting after inserting the Windows 7 installation DVD into the system.
  • In case of slate system, you can enter the BIOS setup pressing the Windows button on center of bottom during the system booting.

 

win7 downgarde process

  • Move to ‘Boot’ menu using ‘→’ key and select ‘Secure Boot’ and then change to ‘Disabled’.

 

 win7 downgarde process

  • Select ‘OS Mode Selection’ and change to ‘CSM OS’

 

win7 downgarde process 

  • Save all changed settings using ‘F10’ key and then boot to system.
    (Same as ‘Exit’ → ‘Exit Saving Changes‘ → ‘Yes’)

 

 3. Start installation

 

 ※ Note: Actions when the system can not boot to DVD

 

  • Enter the BIOS setup by pressing F2 key during the system booting after inserting the Windows 7 installation DVD into the system.

 

 installation

  • Move to ‘Advanced’ using ‘→’ key and change ‘Fast BIOS Mode’ to ‘Disabled’
  • Move to ‘Boot Device Priority’ menu and press Enter key.

 

installation 

  • Set the priority of ‘DVD’ as first
    You can change priority using F5/F6 key

 

installation 

  • Save all changed settings using ‘F10’ key and then boot to system

 

System Booting

  • Start installation of Windows 7 by press any key when the ‘Press any key to boot from CD or DVD’ is displayed.  
  • Select language, Time zone, keyboard and then press “Next” button.
  • Type the product key on DVD if the product key screen appears.
  • Downgrade without product key is available if the customer have Win 8 pro license and want to downgrade to Win 7
  • If the customer have a retail Windows 7 DVD and try to downgrade using it, product key screens will be displayed.

installation 

  • Read EULA and check ‘agree’ check box and then select ‘Custom: (Advanced)’.

 

installation 

 

 

 

 4. Installation

 

 ※ Need to backup all important data to external HDD or USB memory because all data will be removed.

  • Select partition to install Windows 7.
  1. Press ‘Drive options (Advanced)’
  2. Select partition and press delete button until only one “unallocated” remains.
  3. Create a new partition pressing “New” and setting the size for Windows partition.
  4. Press ‘Next’ button and start installation

※ Notice! Recovery function will not be available any more.

 

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