Drivers newer than 6.0.9300 have introduced issues with:

Experienced PC builders and audiophiles on tech forums have noted that the sound quality output of the 9273 HDA driver is practically indistinguishable from much later versions, making it an excellent "set it and forget it" driver for legacy machines. How to Install or Update to Version 6.0.9273.1

Installing audio drivers incorrectly can lead to conflicts. Follow this precise method.