Use Windows Update. You may need to set Windows Update to automatically download and install recommended updates.
Install the software from the equipment manufacturer. For example, if the device with the disc, the disc may contain device drivers for installed software.
To download and update drivers. Use this method can be installed from the manufacturer's Web site to download drivers. If Windows Update can not find the device driver and the device is not installed with the driver software, then do this. Windows 7 Compatibility Center website lists thousands of devices can be directly through the link to download the driver.
use System Restore ^WRONG^ The least invasive solution would be to update the driver. A system restore would probably not actually help the problem.
you can do this by updating your soft and hardware, in the control panel, in the system section
Device Manager
Windows Vista: To update the sound card driver, follow these steps: 1 Click "Start", click "Control Panel", then double-click "System." (2) Click "Device Manager." If you are prompted for an administrator password or confirmation, type the password or click "Continue." 3 Expand the "Sound, video and game controllers." Double-click the sound card, and then click the "Driver" tab. 5 Click "Update Driver Software." 6 accordance with the "Update Driver Software Wizard" update the sound card drivers.
System requirements lab for Intel is a java applet that starts the driver update utility for Intel's download center.
Rollback Driver feature
Driver Rollback
The answers varies on the situation and individual opinion. If you made few or no changes, then system restore is the least invasive. However, if there are a lot of changes, then updating the driver would be the least invasive.
Roll Back Driver
If you have the driver discs for both this will usually fix the problem, you will need the soundcard drivers and the CD-Rom you may need to update the driver, right click on CD-Rom, go to properties, and you will see the update driver button....
Updating your drivers offline would require that you had an update version of the driver already. You would then either run the installer that came with the driver, or use the "Update driver" feature in the Device Manager and then selecting the "Have disk" option and locating the drivers manually.
Typically, two years. I believe a CDL driver over 55 must update them annually.