Windows 10: Why won't Windows accept a driver that worked some time ago?

Hello everyone,

this will be a rather lengthy post. Please bear with me, as I don't know what information is pertinent to my problem and what isn't.
I have a Dell Latitude E6410 laptop which has been running 64-bits Windows 10 satisfactorily for quite some time now. However, its original 250 GB hard disk was rather slow, small, getting old and throwing up file system errors a bit too frequently to my liking. So I decided to try to move some disk-intensive Windows functionality onto another medium, like a USB flash drive or a memory card. That's no problem with the Temp directory and ReadyBoost, but if you want to put the page file or the search index onto it, you have to find a way to fool Windows into believing that the medium is permanent instead of removable. Various drivers exist that claim to do this, and after a lot of experimenting, I thought I had it figured out with the filter driver cfadisk.sys, originating from Hitachi. What I did, was:
- from an elevated command prompt:
bcdedit /set nointegritychecks on
bcdedit /set loadoptions ddisable_integrity_checks
bcdedit /set testsigning on
- reboot with shift-restart
- choose option 7 from the startup menu to disable enforcing driver signature checking
- install the driver
- reboot and see the driver working as advertised, without further ado.
Wonderful!

But then, the hard disk started making trouble, even more frequent file system errors, bad sectors cropping up. It got so bad that I got the message "Missing operating system" at startup, at which point I realized that something was seriously amiss. Luckily, I had a fairly recent backup. So I went and got myself a shiny new 2 TB disk, installed it and restored the backup onto it. No go; the restore went fine, but the PC wouldn't even consider starting up, just showing me a blank screen with a blinking cursor in the upper left corner. After x tries, I gave up and took the laptop to a PC shop, where they emptied the new disk of all its contents and put a clean Win 10 install on it. Back home, I backed that up in case of further trouble. I decided that the recent backup I used earlier was probably corrupt. I then restored an older backup from the broken-down disk, hoping that that one wouldn't be corrupt. It wasn't, and after a few hours I was back in business, wit a MUCH bigger disk *Smile .
But. Since then, I haven't been able to get the filter driver to work! As far as I know, I'm doing exactly the same things I did before, but Windows will not accept the unsigned driver unless I disable driver signature checking with option 7 from the startup menu every time I boot. Obviously, that's not acceptable, ands the BCDEDIT commands should take care of that. If I examine the BCD, the settings are alle there: no integrity checking and so on. So I'm wondering what, if anything, may have changed in my laptop, apart from the new disk, or what, if anything, may have changed in Windows. Some update that enforces driver signature checking even more rigorously than before, perhaps? I don't think it's the PC's BIOS; there is an option to boot in UEFI mode, but there's no Secure boot possibility, so that could not be the problem. And I've always used the Legacy BIOS mode and am still doing that. Also, I've read that Windows 10, when cleanly installed, won't accept unsigned drivers, but that Windows 10, upgraded from a previous Windows version, will. The registry tells me that "my" Windows 10 is an upgrade from Windows 7, which has indeed happened somewhere back in 2015.

So - I'm stymied. Any ideas? I'd like to get that driver working again; it did fine until, if I remember correctly, mid-March past. I'm not waiting for advice like "Don't mess with unsigned drivers", but if you MUST give it, feel free to do so *Smile .

Regards, Jaap.

:)

 

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Windows 10 upgrade problem, no input accepted

I really hate having to come here and ask for help, but I really am stumped. It hurts my geek pride. I have a PC with fairly modern hardware in it. It has a p8p67 pro in it. I have tried upgrading windows 10 on it twice now. Both times I have had the same result.

After windows finishes upgrading it goes to the log in/set up screen. I can't do anything. No keyboard or mouse input is accepted.

I will list some, or hopefully all, of the troubleshooting steps I have tried:

• Move keyboard and mouse to different USB ports.
• Try different keyboard or mouse.
• Restart computer, repeatedly.
• Google for related issues.
• Update Bios, because why not.
• Create boot media and revert to windows 7.

The windows 10 system restore boot media works fine with keyboard and mouse. All USB ports work in windows 7. I don't know what is wrong. I suspect that windows 10 is lacking a driver of some sort, but since the computer accepts no input I have no way of checking for which driver let alone installing it.

Please help me figure this out. If I have to revert back to windows 7 again, I am not going to get it upgraded to windows 10. Thank you in advanced.