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Posted 30 August 2016 - 01:16 PM
Posted 30 August 2016 - 03:00 PM
What works in many cases is to delete the USB stuff in Device Manager then reboot, Windows will load generic drivers that usually work.
Honesty & Integrity Above All!
Posted 30 August 2016 - 03:55 PM
I am not sure that is a good idea, as I need the remaining two USB's for my keyboard and mouse! I would prefer a more direct solution Might consider this as a last resort. Without my USB keyboard and mouse I have no control over system...
Any other ideas?
Posted 30 August 2016 - 04:02 PM
In Device Manager click the top most tree, your computer then select Action > Scan for Hardware Changes. Does it detect anything?
If not download the intel Update Utility to see if it detects your USB ports.
Posted 31 August 2016 - 09:46 AM
Thanks John. The 'scan for hardware changes' did not find anything (including the missing USB ports). So I installed the Intel Update Utillity and ran it. It did find one chipset file to install. So I installed it, and then restarted my PC.
But all for nothing it seems, as USB host controller is still missing, and 'scan for hardware' again finds nothing.
Just to be clear, what I did wrong was not 'disable' it, but 'Uninstall' it completely.
Posted 31 August 2016 - 10:44 AM
I am not sure. Even uninstalling, the Scan for Hardware changes should have picked up the chipset. Unfortunately for Windows 10 all these drivers are native so you cannot download a separate driver if the utility found nothing.
Do you have a restore date before the uninstall? Do a System Restore
Posted 31 August 2016 - 05:16 PM
Posted 31 August 2016 - 05:24 PM
Try the following. Your keyboard may still function at the Advanced Boot Options which you can get to by doing the following. From the Advanced Options do a System Restore.
If that does not work you can download Windows 10 here. Boot the DVD or USB flash drive you create. At the Window with Repair Computer in the lower left, click it and do a System Restore.
Posted 31 August 2016 - 06:17 PM
Posted 03 September 2016 - 07:25 AM
In case anyone is interested, this problem is solved. A repair shop has my thanks! My PC had no working usb ports, and no other way of using a keyboard to log in with my windows password. It was looking grim for a while, but thanks to "some deep registry work" (which I am told was in a bit of a mess!), problem was solved.
In this day and age of 'USB only' desktop computers, my advice to everyone is to never 'uninstall' all your USB controllers or ports, and certainly not with a windows password screen active!
Posted 03 September 2016 - 02:32 PM
FWIW: Uninstalling USB controllers...probably had nothing to do with your issues. The controllers are typically provided by Windows...if Windows can boot properly, then the drivers for the controllers should install properly. If the drivers get damaged...uninstalling, then reinstalling fresh/new drivers...is the standard way of getting things corrected.
If your registry was damaged...and files of all sorts can become routinely damaged...it is the damaged drivers/files, not the uninstallation, that was the key problem, IMO.
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