You are correct, the USB drivers are part of the Chipset drivers installation.
1
The best option is to go to the support page for your PC on the manufacturers website to download and manually reinstall (not update) the version of Chipset drivers they provide.
If you have any difficulty locating that support page, click your Start Button, then just type msinfo and press Enter, please provide a screenshot of the resulting System Information window.
2
If that does not resolve the problem, go to the Intel website, to download the Intel Driver and Support utility, then use that to update all your Intel drivers.