Hi, I have a "SanDisk Ultra CompactFlash" 4GB card and an internal card reader (HP desktop). When I insert the card into the reader, the green light above the slot turns on as if it recognizes the device, but it doesn't show up. Device Manager says that the driver is installed and working properly, and I have uninstalled it, reinstalled it, and restarted my computer. A system restore isn't really an option because it isn't my computer. Any idea how I can fix this? Could it matter that I'm not on the Admin account on the computer?