The PCI (Peripheral Component Interconnect) bus is the backbone of your computer's internal communication. In Windows 7, a "PCI Device" listing with a yellow exclamation mark in Device Manager is one of the most common headaches for users. It usually means the operating system recognizes there is hardware plugged into a motherboard slot but lacks the specific instructions—the driver—to make it work.
Reboot. A watermark will appear on desktop. pci device driver windows 7
PCI Device shows a yellow exclamation mark in Device Manager . The PCI (Peripheral Component Interconnect) bus is the
If you provide the of your PCI device, I can tell you exactly which driver you need for Windows 7. pci device driver windows 7