Windows 7 + 4GB RAM + NVidia Chipset = USB will fail or only run in USB 1.1

Windows 7 + 4GB RAM + NVidia Chipset = USB will fail or only run in USB 1.1

1) System is running Windows 7

2) System has an nVidia chipset

3) System has 4GB of RAM or more

 

Solution:

http://support.microsoft.com/kb/976972

If you Windows 7 have been updated to SP1, this hotfix cannot be install.

You need to install 7601usbfix.

1. The Windows 7 SP1 USB Driver Bug (what it is and how to fix it)

http://forums.mydigitallife.info/threads/24666-The-Windows-7-SP1-USB-Driver-Bug-(what-it-is-and-how-to-fix-it)

Remark: Anyone who installed a new copy of Windows 7 SP1 using an official integrated ISO (and it looks like homemade slipstreamed integrated ISOs are okay, too).

Download "7601usbfix"

http://code.kliu.org/.etc/7601usbfix/

http://support.microsoft.com/kb/2529073

2. Install the last nforce chipset have been released (2 May 2011)

http://www.nvidia.com/object/nforce-vista-win7-32bit-15.56-driver.html

Force install the "nVidia nforce PCI System Management" by using the manual install driver from the folder "C:\NVIDIA\nForceWin7VistaInt\15.56\SMBUS"

Windows 7 + 4GB RAM + NVidia Chipset = USB will fail or only run in USB 1.1