Locate the "Chipset" section. Here you will find:
If you have IT experience and want to install the driver manually without any installer, here is the exact hardware ID you are looking for:
Often, when the PCI Device driver is missing, other functions like Audio (High Definition Audio Device) or Internet connectivity (Ethernet/Wi-Fi) also fail. The PCI Device error is often the "root" failure. Once you install the Chipset and Card
Desperation made her creative. She opened the Command Prompt as administrator (a trick she’d learned from a YouTube comment with two likes) and typed: pnputil /enum-devices /class PCI
If you see a "PCI Device" error, prioritize downloading and installing the Chipset Driver first. As noted by experts on the Acer Community , the chipset driver should be installed before others to ensure the system communicates correctly with the motherboard. 2. Identifying the Specific Driver
Before downloading, confirm which hardware is missing its driver: Right-click the button and select Device Manager Look for "PCI Device" under Other devices (usually marked with a yellow exclamation point). Right-click it, select Properties , then go to the Change the dropdown to Hardware Ids . Note the (Vendor) and (Device) codes (e.g., for Realtek or for Intel). 2. Download from Official Acer Support