Tag Archives: 14z

Dell Inspiron 14z (N411z) ACPISMO8800 Windows 7 driver [SOLVED!]

Question: Hello Sir/s, I have faced the same problem after formating the orginal windows 7 64bit operating system in my dell inspiron N 411z model no it ask every time to install SMO8800 driver for your unknown device in device manager please send me this driver to my e mail adddress,thanks from your kind help –M M K Answer: That unknown device is a┬áST Microelectronics DE351DL Motion Sensor. You can get the driver here: (Dell download link)   Installation Instructions