How to Replace Motherboard without Reinstalling Windows.

This tutorial was written for every user that wants to replace Motherboard without having to re-install Windows from scratch. By following the below instructions you ‘ll be able to keep your current Windows installation, programs & settings after replacing the Motherboard. The instructions can be applied, also, if you want to transfer the current Windows install in a totally different hardware (e.g. from a Desktop PC to a Laptop PC or vice versa).

Consider the following scenarios:

1. You want to upgrade your main computer parts (mainboard, CPU, RAM, etc.) but you want to keep your current Windows installation, in order to keep your program settings & files untouched and not reinstall them from the beginning.
2. You want to to change the SATA hard disk controller mode from IDE  to AHCI or RAID (or vice versa) in BIOS in order to succeed better performance or compatibility.

– If you come in one of the above scenarios, then you will may realize that Windows cannot boot and crash with a BSOD (Blue Screen Of Death) error “STOP 0x0000007B INACCESSABLE_BOOT_DEVICE”. This is happen because Windows cannot find the correct drivers for the SATA hard disk controllers. To bypass this problem and to avoid to reinstall Windows, you must “tell” Windows using the Windows Registry, to use the Standard SATA Hard Disk Controller driver during startup. To accomplish this, just follow the steps below to make the appropriate modifications in Windows Registry and then Windows will boot up normally to Windows. After boot, they will install the necessary hard disk controller drivers according to BIOS hard disk SATA controller’s mode settings  e.g. IDE Compatible mode (aka Legacy or ATA Compatible) or AHCI or RAID mode

This tutorial contains detailed instructions on how you can replace the motherboard on your system without having to reinstall Windows from scratch. The instructions applies to the following Windows versions: Windows 8, 7, Vista & XP. Windows 10 – in most cases – can easily recognize your new hardware without having to follow the below instructions.