Hi,
We would like to get more information from you, to help troubleshoot your issue. Please answer the following questions as best you can
1. What are the troubleshooting steps have you tried to resolve the issue?
2. Do you receive any error message while installing PCI device?
3. Which PCI device are you referring to?
4. Did you make any changes to the computer before the issue occurred?
For your reference: Information about hardware device drivers for Windows XP