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#1
Uninstalled Windows USB controllers; Can't use keyboard/mouse in OS
I have a Windows Pro desktop full of USB 3 (only, save the two PS/2) ports that are now useless. I uninstalled a couple USB controllers, both with "Windows" in their name, after following some Microsoft advice that I hoped would fix some problems I was having with some devices not working. Figured they would be reinstalled automatically upon start up. No, I didn't back anything up. Stupid, yes, but I digress... I can't fix anything by logging into Windows because the USB ports won't work--can't use my keyboard or mouse to login. I can use my peripherals in the BIOS and recovery mode, though.
I tried multiple restore points, but I keep getting error 0x80070057. I'd really like to use this option if there's a workaround.
I tried installing drivers manually through the recovery command line, and I thought I was successful, but nothing happened. Either I didn't install the right ones or I didn't install them properly. This might be the wrong track since I think the drivers were by Windows, not by my mobo manufacturer.
Sfc scan shows nothing's wrong.
I even bought a PS/2 keyboard thinking it'd work without a problem, but apparently I'd have to fix some registry keys to use it! Scratch that, I DID fix those registries (offline I changed System32/config/SYSTEM/ControlSet001/Services/i8042pt/Start from 3 to 1...but I was advised to use CurrentControlSet, not ControlSet001, which I couldn't find), and I verified it because they remained edited after restarting, but it still didn't work! I'd like to have not spent my money in vain...so a fix to this would be much obliged as well.
I'd really rather not reinstall or reset Windows. I'd also like to not spend any more money This whole thing has become a project of projects. I think I tried some other things, but I don't remember. Might not have even approached those other solutions properly. This is my first ever time having to post on a forum for a computer problem. Hope you guys can help... I'd appreciate it.