HP Notebook Audio Installation If you have installed retail Windows you need to install the Audio drivers. The Audio drivers are contained in the \HP\DRIVERS\W2K\AUDIO subdirectory. To install or upgrade the Audio drivers: 1. Run ESSETUP.EXE from the \HP\DRIVERS\W2K\AUDIO directory. 2. Follow the instructions on the screen to install the drivers. The drivers will be installed after the system reboots.