I've lost 'use' of the USB 2 ports - why? Vista servicepak2

I lost Adaptec USB (although it said it was working properly but he had the top yellow exclamation on device mgr /)
The other is higher and I "m not sure what brand, etc.  I can't use the 4 USB ports.   Any ideas?  I have a Compaq Presario and all the stuff came with it...   I uninstalled both of them thinking they would reinstall when I rebooted, but not this time...   Help?

Hello

·         Were there any changes made to your computer before this problem?

Run the troubleshooter of hardware and devices at the following link:

http://Windows.Microsoft.com/en-us/Windows-Vista/tips-for-solving-problems-with-USB-devices

Tags: Windows

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