xplosiff,
Download and install in this exact order...
Dell System Software, v.7.0.1, A01
Intel Chipset Software Installation Utility, v.9.2.0.1030, A05
Intel AMT HECI, v.6.1.20.1059 PV, A04
Ricoh R5U24x, v.2.11.01.02, A04
and ST Microelectronics Free Fall Sensor
Then download Intel 825xx Gigabit Platform LAN Network Device, v.11.6.92.0, A06
Then go to Dell Warranty Status enter your service tag, click on original configuration. Look and see which wireless adapter is installed. Then go to Drivers & Downloads enter your service tag, select your operating system. Under network download and install the drivers.
Then download and install Dell ControlPoint Security Device Driver Pack, v.1.4.056, A18 and Dell ControlPoint Security Manager Application, v.1.4.00004, A18
Rick