I would really advice to take the most current driver for the Sound which is only available for another model. If you download it an install it, the old driver will be removed and reboot automatically.
After it it starts with the installation. But if you don't encounter any problems.never change a running system.or was it. The forces are with you? Thanks for this thread, I was in the same situation, I had to format drive c: and reinstall windows and could not find the Dolby Audio Software after, it is actually in the DAX2 folder of the Realtek driver.