The Ricoh PCIe Memory Stick Host Controller Ver. 6.13.10.27 driver also resolves the yellow exclamation point error that may appear in Device Manager next to "Base System Device" which indicates that a driver is not installed for Sony VAIO SVE14A25CXS running with windows 7 64-bit.
If you can fix it you can try to download the latest
Ricoh PCIe Memory Stick Host Controller driver from this page.
At the "This system must be restarted to complete the installation" screen, click "OK" to restart the computer.