RE: Audio no longer working. NVIDIA Card can't be detected
I've read your diagnostic test and noticed Intel Xenon PCLe controller PCI Express Status Test failed. Please check and see if the latest windows updates are installed on system. Type Settings onto the search box, Update & Security, and then 'Check For Updates'. Install any available updates and restart your computer if required. Please don't wait later to install, click on 'Restart Now". Do the process over and over until the latest windows updates are installed on the system.