New
#1
All USB devices suddenly stopped working upon startup a while ago
Windows 10 Home, version 1909, build 18363.836. 64-bit operating system, x64-based processor.
Namely can't access any thumb drives (nothing whatsoever happens when I plug them in) or use a USB mouse. Haven't tried with other USB devices. Non-USB headphones work fine. This started just today when I started up my computer, yesterday everything was working fine. Pretty sure this is not a physical issue, e.g. slots being obstructed or jammed somehow. Rebooted a few times to no effect.
if it helps, I did make some obscure setting changes recently that might've lead to this, while I was trying to fix an unrelated problem involving heavy disk use unreported by Task Manager over certain intervals:
- Through Registry Editor, set MSISupported from 1 to 0 in some folders in Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\PCI\ . Didn't touch any other values. I'm not sure this is what caused it, I booted my computer up between changing those settings and today and USB mouse worked fine
- Through Services (services.msc) menu, disabled Connected Devices Platform User Service_5eafe and/or Connected Devices Platform Service. This was around the same time I was fiddling with Registry Editor, re-enabled that service once this issue showed up and rebooted but nothing happened.
- Disabled search indexing for C:\ (most of it, some folders being used by the system failed to have indexing turned off)
- Through Task Scheduler, disabled Microsoft\Windows\Application Experience\Microsoft Compatibility Appraiser (this ultimately fixed the heavy disk use issue I was talking about). This is the most recent change I made, however turning it back on would probably cause the heavy disk use to start up again.
Are there some common gotchas or other things I should check for? Thanks in advance.