System board..................................................................................................................................................................... 36
Removing the system board..................................................................................................................................... 36
Installing the system board....................................................................................................................................... 38
Palm-rest and keyboard assembly................................................................................................................................. 41
Recommended tools......................................................................................................................................................... 42
Screw list.............................................................................................................................................................................43
Chapter 4: BIOS setup.................................................................................................................48
Navigation keys..................................................................................................................................................................48
System setup options.......................................................................................................................................................48
Updating the BIOS............................................................................................................................................................ 49
Updating the BIOS in Windows................................................................................................................................49
System and setup password........................................................................................................................................... 51
Chapter 5: Troubleshooting.........................................................................................................53
Built-in self-test (BIST)................................................................................................................................................... 53
LCD Power rail test (L-BIST)................................................................................................................................... 53
LCD Built-in Self Test (BIST)................................................................................................................................... 54
System-diagnostic lights................................................................................................................................................. 54
WiFi power cycle............................................................................................................................................................... 55
4
Contents