Service Manual
Identifying the processors in Windows...................................................129
Checking the processor usage in the task manager..............................130
Operating System.......................................................................................... 130
Service Tag location...................................................................................... 130
Device drivers................................................................................................. 131
Intel Dynamic Platform and Thermal Framework...................................131
Intel Chipset Software Installation Utility................................................ 131
Intel HD Graphics 520 driver................................................................... 132
Intel Serial IO Driver................................................................................. 132
Intel Trusted Execution Engine Interface................................................134
Intel Virtual Button driver.........................................................................135
Intel Wireless 3165 WiFi and Bluetooth drivers.......................................136
BIOS overview................................................................................................ 137
Entering the BIOS setup program........................................................... 137
Boot menu................................................................................................137
Boot menu enhancements......................................................................137
Timing key sequences..............................................................................137
System diagnostic lights........................................................ 138
Getting help and contacting Dell.........................................140
Self-help resources....................................................................................... 140
Contacting Dell.............................................................................................. 141
11