Problem: There are no drivers for Windows7 Laptop HP Compaq nx9420
There are no Windows7 drivers on official HP web page, Windows 7 instals most of the drivers, and after Windows Update there are 2 unknown drivers left:
Mass Storage Controller and PCI Simple Communications Controller
Windows offered driver - not through automatic updates but via Action Center - Messages.
Missing drivers were both from one source: Texas Instruments Cardbus Driver, sp43509.exe media card reader