Exclamation mark on PCI to ISA bridge in Windows.

Issue

Exclamation mark on PCI to ISA bridge in Windows.

Cause

This issue can be caused by chipset drivers that are not installed or not installed properly.

Solution

Download the latest motherboard chipset drivers for your computer and your version of Microsoft Windows. Install these drivers onto the computer and reboot, after rebooting the computer this issue should be resolved.

Once you've determined the motherboard or chipset you have a listing of downloadable chipset and motherboard drivers can be found on our motherboard drivers page. Alternatively if your computer is an OEM computer (e.g. a Dell, Hewlett Packard, etc.) chipset drivers can also be found through the computer manufacturers drivers page.

Additional information

  • See our PCI definition for further information and related links.