Dell Inspiron 14R SE (7420, Mid 2012) - Manual (Page 104)

104 | Replacing the System Board
Entering the Service Tag in the BIOS
1 Turn on the computer.
2 Press <F2> during POST to enter the system setup program.
3 Navigate to the main tab and enter the Service Tag in the Service Tag Setting field.
book.book Page 104 Wednesday, April 11, 2012 4:13 PM