How to chanage Laptop / Desktop motherboard, HDD Without Format ( Reinstall )( Windows 7 )

Welcome to Androidphd’s Windows Tutorials

Here We will see “How to Change Laptop’s or Desktop’s , Motherboard, Processor, and or any Hardware without Reinstalling Windows Or without touching your windows Files.

Modify Registry OFFLINE using Windows Installation DVD OR USB Drive or  By Using Hiren Boot USB

How This Works.
The Drivers and other devices entry get registered in Windows Registry in file called “System” located at “C:Windowssystem32configsystem” is main storage to Registry entries in Windows 7.
In This Tutorial We will see How to Modify Registry value of Windows which is using old drivers and thus getting BSOD etc if old Motherboard was dead.
This guide can also be use ifWindows 7 BSOD or Restarting because of driver issue.
Remember it will delete all driver entries after this step you have install drivers according your motherboard.
To modify Registry offline you need an OFFLINE registry Editor. For this task, I prefer to use two offline registry editors. One of them can be found in the Windows Recovery Environment on any Windows 7 or Windows Vista installation DVD and the other can be found on the Hiren’s boot CD. So let’s start.
The very first step we are going to do is accessing “System” file located at “C:Windowssystem32configsystem” from the same window using windows 7 installation DVD or USB or By using Hiren boot’s mini Xp Or by using other method.

Method 1: Modify Registry OFFLINE using Windows Installation DVD.

1. Place the Windows Installation DVD on your CD/DVD drive and boot your
computer from the Windows installation DVD.
2.Change boot Device To DVD OR USB in Bios
    Power On your computer and press “DEL” or “F1” or “F2” or “F10” to enter BIOS
(CMOS) setup utility.
    (The way to enter into BIOS Settings depends on the computer manufacturer).
    Inside BIOS menu, find the “Boot Order” setting.
    (This setting is commonly found inside “Advanced BIOS Features” menu).
    At “Boot Order” setting, set the CD/DVDRW device as the first boot device.
    Save and exit from BIOS settings.
3.  At the first screen press Next.
4. At the next screen, select “Repair your computer”.

5. At System Recovery Options (1st screen) click Next.

6. At Choose a recovery tool screen, choose Command Prompt.

7. At command window type “regedit” (without quotes) & press Enter.

8. In Registry Editor Highlight the HKEY_LOCAL_MACHINE key.

9.From File menu select Load Hive (to load the offline registry).

10.Navigate to the disk where Windows installed on (e.g. “C:”).  

11. Open the system file found in “%Windir%system32config” directory. (e.g. “C:Windowssystem32configsystem”)

12. Type a Key Name for the offline registry (e.g. “Offline“) and press OK.


 13. Double-click to expand the HKEY_LOCAL_MACHINE key and you should a new key under it, named with the name you typed before (e.g. ‘Offline” in this example).

14. Expand this new key & navigate (from the left pane) to this subkey:


15. At the right pane double click at Start (DWORD) and change its value data to 0 (zero). Click OK when finish.

16. Perform the same modification to this subkey: 

17. If you use RAID (otherwise ignore this step) you have to perform the same modification to this key:


18. When you finish with the modifications, highlight the key you created before (e.g. “Offline”) and from the File menu choose Unload Hive to write back the changes you made to the offline Registry.

19.Close the Registry editor, the Command prompt window and Restart your computer.

20. Enter BIOS settings  and specify the SATA mode (IDE-ATA, AHCI or RAID) according your needs or leave the default settings.

21. Exit BIOS settings, remove the Windows Installation DVD from the CD/DVD drive and let Windows to start normally.

Windows should start without problems and then will install the required hard disk controller drivers.


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