Post the upgrade the SD card reader is not working. Tried the standard hacks like unhiding device folders, installing the realtek sd card reader Missing: P. The Aspire V is the successor of the Aspire V and Acer One USB port and a card reader on the right side. An additional Ethernet port (Realtek RTL) at the back can be used for wired networks. Here is a step by step manual guide for Realtek PCIE CardReader software installation process on Windows 7 / 8 / Vista / XP. Acer Aspire VP.