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Something happened (including Windows Updates?) and now every time I reboot, most of my USB host controllers/root hubs are not working:

broken

The broken ones say:

This device cannot start. (Code 10)

Windows did not start a related device driver. To learn more, click the Driver tab and then click Driver Details.

I've tried uninstalling all USB devices (including grayed out ones) and rebooting many times, doing a System Restore (which failed to complete and also didn't fix anything), etc.

After a reboot, if I disable and then enable each host controller, they start working again:

fixed

But then on reboot most are broken again. Any ideas?

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  • If you think it was an update (or something else software-related) that caused it, try using System Restore to go back to a point before it happened. But really, that's weird enough to appear to be a hardware problem. To confirm/deny that idea, have you tried a fresh install of Windows with all drivers updated to latest? If so and it keeps happening then you have a USB hardware failure.
    – Ƭᴇcʜιᴇ007
    Commented Oct 24, 2014 at 15:52
  • @Ƭᴇcʜιᴇ007 Already tried System Restore and it just screwed up all my files. :/
    – endolith
    Commented Oct 24, 2014 at 20:44
  • @Ƭᴇcʜιᴇ007 Or I could use a Windows 7 boot disk if such a thing exists?
    – endolith
    Commented Oct 27, 2014 at 14:54

1 Answer 1

Reset to default
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I never found a cause or solution to this, but I made a workaround batch file, scheduled to run on computer start:

"FULL_PATH_TO\devcon.exe" disable "PCI\VEN_1002&DEV_4396"*
"FULL_PATH_TO\devcon.exe" disable "PCI\VEN_1002&DEV_4397"*
"FULL_PATH_TO\devcon.exe" disable "PCI\VEN_1002&DEV_4398"*
"FULL_PATH_TO\devcon.exe" disable "PCI\VEN_1002&DEV_4399"*

"FULL_PATH_TO\devcon.exe" enable "PCI\VEN_1002&DEV_4396"*
"FULL_PATH_TO\devcon.exe" enable "PCI\VEN_1002&DEV_4397"*
"FULL_PATH_TO\devcon.exe" enable "PCI\VEN_1002&DEV_4398"*
"FULL_PATH_TO\devcon.exe" enable "PCI\VEN_1002&DEV_4399"*

"FULL_PATH_TO\devcon.exe" enable USB*

https://stackoverflow.com/a/13269904/125507

http://delphintipz.blogspot.com/2012/07/disable-failed-no-devices-disabled.html

http://ccm.net/faq/1886-enable-disable-a-device-from-the-command-line

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