So I had no idea building a new PC and trying to use my previous

>>341739
You listened to that idiot in the other thread, didn't you.

Just set the driver of the storage controller that runs the disk to "generic <whatever> controller", and if necessary boot off install media and bootrec.exe /rebuildbcd . Once windows boots, it'll install drivers for everything automatically, provided it has a driver for a network card that can access the Internet. You still need to find drivers for hardware it doesn't know about, just like if you clean installed.

If you don't want to keep your Windows install, just boot from install media and choose "clean install". It'll move your old windows into c:\Windows.old .

In either case, if Windows came with your computer, it's not transferrable from that computer. You need to buy a new license or pirate it.

I get bluescreen within 10 seconds of booting. I can get to the bios, nothing further

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>>341795
https://www.wintips.org/how-to-replace-motherboard-without-re-installing-windows/

>>341795
disable ahci and use ide mode instead, once inside windows open
>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msahci
registry entry, set the
>start
value to 0 (zero), reboot into bios, set ahci again and boot normally

>>341831
You shouldn't disable AHCI just to get Windows to boot. You're talking a throughput loss of ~10% and a massive loss of IOPS and a massive increase in IO latency if you disable AHCI, because disabling AHCI means no NCQ, which modern hard disks depend upon for performance. SSHDs, in particular, are eviscerated by disabling NCQ, because no reordering means one hard disk read can stall dozens of SSD reads.

Do like it says in >>341800, set it to AHCI, boot the installer and disable all the drivers using regedit, to force it to reinstall the correct AHCI driver.