If you are unable to see or access a Firewire drive that is connected to a firewire port via a PCMI card in Windows 7, there are several reasons why this might be happening. Here are some troubleshooting steps you can try to resolve this issue: 1. Check Drive Management: - Open Disk Management in Windows by right-clicking on "Computer" or "This PC" and selecting "Manage." - Look for the connected Firewire drive in the list. It might be listed as unallocated or without a drive letter. 2. Assign a Drive Letter: - If the Firewire drive is detected but doesn't have a drive letter, you can assign one: - Right-click on the drive in Disk Management. - Select "Change Drive Letter and Paths." - Choose "Add" and assign a drive letter...