Windows may not detect a hot plugged PCI Express card
Consider the following scenario:
- You have a Windows Vista or Windows 7 machine.
- After you boot the machine, you hot plug a PCI Express card.
- The PCI Express card may not be detected in Windows.
In the event that the card is detected, you may experience issues communicating with the device.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB2648077.