Skylake chipset not supported in Win 7  

So I moved a HD drive from one shuttle PC to a newer Shuttle PC (skylake chipset). Did my usual regedit to get past the BSOD 7B error (INACCESSIBLE_BOOT_DEVICE) and got to my login screen (PC's on a domain) but I have no KB or mouse. Call into shuttle tells me there is no out of the box win 7 support for USB on skylake. They give me a link for a win 7 64bit iso with USB support for skylake, I download, make bootable USB and I can boot to repair mode with KB and mouse. Any idea how I can get the skylake USB drivers into the Win7 HD from repair mode? I have the correct drivers on a USB key. Before I start mangling the registry and system directory I thought I would ask.

Thanks in advance

On some computers with Skylake CPUs, Windows 7 is supported; on others it is not.

Thanks for the tips but I am trying to prevent from re-installing windows. I have done this dozens of times with HD swaps to new machines and hyper-v VHD's and P2V conversions by loading the hive and tweaking some reg settings.

With respects to this issue, NONE of the USB ports are working when I boot to the HD. When I boot to the ISO shuttle support gives me, it runs repair and finds no problems.

As I am typing this, it just occurred to me I can put the drive in the old PC and pull it off the domain. Then run netplwiz.exe and set PC to open windows as a user without password required removing the ctr+alt del login screen. Re-tweak the reg and maybe windows will see the new hardware (USB, chipset etc) and install drivers. Will post results shortly

Or do what was posted and try a PS/2 keyboard/mouse.

You can't run Windows 7 from an external drive - it won't allow you to do that. You can run Windows 8.1 from an external drive, but not 7.

OK, so my plan worked sort of, I got to my desktop but still no KB or mouse. I need to find a way to get the supported drivers into windows so when it boots the USB works. AND I appreciate the ps2 suggestions but there is NO USB of any kind (2 or 3) so its of no use. I considered looking for a PCIe USB card. Will post results

dukesnyder said:

I appreciate the ps2 suggestions but there is NO USB of any kind (2 or 3) so its of no use.

PS/2 is an alternative to USB. If you connect your keyboard and mouse while the machine is powered off, they will always work.

I'm speaking of native PS/2, not USB-to-PS/2 conversion. In your case, since you have no USB, USB-to-PS/2 conversion won't work.

If your computer has a PCI slot, then you should be able to use this card to add native PS/2 ports to your computer:
https://www.amazon.com/Keyboard-2Por.../dp/B06XKW6Y55

If your computer does not have a PCI slot, you could install this converter card to convert a PCI Express slot into a PCI slot:
https://www.amazon.com/StarTech-com-...NC09PYDHERW539

If all of this works like I think it will, and if you get a PS/2 keyboard and mouse, then you will be able to use your keyboard and mouse whether or not you have USB working in your computer.

OK, here is what didn't work.

I copied a few things from a working shuttle PC (skylake chipset) running the version of win 7 that shuttle support gave me.

1) exported reg entries that pointed to the USB drivers (in FileRepository) and imported into PC registry with KBM issue
2) copied and pasted the diretories in the FileRepository the reg entries referred to
3) copied the associated .sys file for USB in the the Drivers directory in SyStem32

to my surprise the PC booted up but still no KB or mouse.

I gave up at this point. I took the SSD out of the Skylake shuttle and dropped it in a shuttle with H87 chipset and it fired right up and has been running without issue for a week. I took a drive with win 10 pro on it and dropped it in the shuttle with Skylake chipset and it works perfectly. My takeaway is microsoft is going overboard to push windows 10. Seems intel is in cahoots with no win 7 support for skylake chipset with respects to USB. If you cant boot with mouse and keyboard, its worthless.

Keep in mind as I was moving the drives around I did the usual reg edit to force windows to load the appropriate drivers for the different chip sets. start vales below

Aliide = 3
Amdide =3
Atapi = 0
Cmdide = 3
iaStorV = 3 or 0
intelide = 0
msahci = 3 or 0
pciide = 3
viaide = 3
LSI_SAS = 0

I have no clue where anyone got the impression I was trying to boot from external drive.

Looking back, maybe if I tried connecting with remote desktop KBM works. Who knows?

Nothing ventured nothing gained