1. Before reloading the sound card driver, you should uninstall the sound card driver of the computer, right-click the computer on the desktop, select Properties, and then click Advanced System settings to open the System Properties window;
2, in the pop-up "System Properties" dialog box, switch to the "Hardware" tab, click the "Device Manager" button;
3, in the Pop-up Device Manager window, find and expand the "voice, video and game controller", listed sound card-related drivers, the blue part of the main driver of the local sound card, the other is a number of auxiliary sound card driver;
4, then the mouse right click the main driver select "Update Driver", Pop-up Driver update window, select the "Automatic installation Software" option, click "Next" button;
5, this time the system will automatically find the saved drive backup, and then update the driver according to the backup file, the system found regret Automatic Updates, the last click Completed, if not found, you will need to reinstall the CD-ROM driver.
6, then select "Install from list or specified location" to quickly navigate to the driver, where the main choice is the driver path or directly select the system installed driver. If you specify a path in the computer, the system will search for the specified mobile media or file location, also found directly installed, and then click to complete the exit.
7, in the pop-up "Hardware Update Wizard" Select "Do not search, I want to select the driver to install option, the system will be from the integrated or installed drivers to find compatible hardware driver, directly select the installation can be, this is the fastest one of the options.
8, select the driver after the point "next" installation until completed on it.
Detailed steps about Win7 32-bit system reload sound card driver I'm going to share this with you. The need for friends can be set according to the above method, if the operation can not complete the reload sound driver, it is recommended to manually uninstall the Win7 system's original sound card driver, and then a new sound card driver installation.