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mike barber
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Compaq laptop refuses to recognise or install usb devices

Compaq PC running Win 10 home edition (upgraded from Win7 ) refuses to recognise  some ( not all ) previously installed USB devices ( iPhones, printers, HDD, thumb drive, cameras etc) From reading online appears to be linked to Media Transfer Protocol which does exist in the Windows INF folder. Have tried un-installing/re-installing these devices, updating drivers nothing seems to work. Utterly out of ideas of how to fix. Any assistance would be appreciated
Printers and ScannersWindows OSPC

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8/22/2022 - Mon
David Favor

Try starting Windows in safe mode + see if problem magically clears up.

If it does, then some system process or device driver is the culprit.

If this is the case, then lookup guides for debugging this on Windows 10.

Likely a problem with an old Win7 driver which is somehow incorrectly interacting with Win10.

Might be quicker to backup all your data + do a fresh Win10 install + restore your data.

Which model is your PC? First, you should check the computer management, device manager, and see if you need some drivers. Usually, afer the OS upgrade or installation, some drivers are not compatible, and they have a triangle with explanation mark, or where they are seen as unknown devices. In your case issue might be with the chipset drivers or USB drivers. If you can specify your PC model and the motherboard made and model we can help you with the best practice to try allocating appropriate drivers.
Tip: If you have Intel motherboard go to the following link, install the tool and scan the PC for the latest drivers:
fred hakim

Try USBDeview its a small standalone utility from Nirsoft that lists all USB devices that currently connected to your computer, as well as all USB devices that you previously used.  USBDeview allows you to uninstall USB devices that you previously used.  Cleaning up the USB history tables may help, since windows uses them, if the device is ever connect again.  

see:  http://www.nirsoft.net/utils/usb_devices_view.html

Nirsoft software is free and does not require installation.  Just unzip it to a folder and execute.
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William Peck

Did you uninstall USB concentrator via Device Manager?
mike barber

Noxcho I'm not even sure what USB concentrator is or where it is located in Device manager

Click Windows key + R, paste there "compmgmt.msc" without quotes, go to Device Manager. Details on the right side are the PC components or Drivers for the PC components. It here anything saying Unknown Device or any component with a yellow triangle and explanation mark?
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Hi Mike,

have a look on my example in attachment.
It is called Standard OpenHCD USB Host Controller in English Windows.
I would first uninstall all USB controllers one by one. Then restart Windows and let the Windows itself install the necessary devices. After that see if your USB devices are working.