The is simply Windows’ way of saying: “I found hardware on the PCI bus, but I don’t know how to talk to it.” In 95% of consumer PCs, installing the Intel Management Engine Interface or the full chipset driver from your motherboard manufacturer will make the exclamation mark disappear permanently.
Dieser Guide erklärt die Ursachen und bietet Schritt-für-Schritt-Lösungen an. treiber pci kommunikationscontroller