hardware changes may not have been detected

Hello

I have an acer aspire laptop with win7 ultimate. recently, I could not use my usb ports and everything I plug could not be recognized.

I installed Microsoft fix Center and the problem was solved. the usb driver is then downloaded and installed.

same thing happened when I pluged in my mouse wireless usb, USB drive, external hard drive, printer, etc... I had to run the fix for windows download and install devices but it is this question on the "material changes could not have been detected.

I remember that this process has been done automatically before each time that a device has been unplugged.

I would like to know how to restore the default auto detect/download/install for any device that is plugged in.

Thank you

Hello

Type services in the start search box, then press enter and search for windows install in the new window right click Sur-proprietes change startup type automatic.

mohanad

Tags: Windows

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