Usb ports not working in windows 7 home premium then used microsoft diagnostic tool for windows 7. it detected a driver problem with usb devices and corrected the problem. the usb devices worked for a day or two and then quit working. computer is an acer aspire laptop 7740 , intel i3 processor 330m, 4 gb ram, intel graphics media accelerator hd. running windows 7 home premium. acer online. Hello everyone i built a new coffee lake system and plugged in my hard drive with windows 7 and my work files installed on it. none of the usb ports were working which included the mouse. It is self-powered, not powered by usb. i am using the yamaha usb-midi driver version 3.1.2 for windows 7 64-bit (the latest driver). and the latest versions of all their editing software for win7 64-bit. they assure me that those work for other users of win7 64-bit. in my case though, everything shows up in windows, but midi doesn’t actually work. and i cannot sync to the keyboard due to.
Now all mine three usb pen drives are working fine in windows 7. it's detecting them, installing driver for them. but if you install driver and software and then try to plug in "new" usb pen drives then it will not detect and install driver for it. here by “new” pen drives i mean the ones which were not plugged in when the system had completed installation and ready for use for the first. If your flash drive usb stick is either not recognized, or is not opening on your computer, this tutorial is for you. sorry for the black bars on the side guys and the lower video quality in this. In the search box, type update, and then, in the list of results, click windows update.; in the left pane, click check for updates.if there are any available updates, click the links to see more information about each update..