Dell Inspiron 3662 Service Manual page 78

2 Lift and rotate the side-chassis away from the computer.
3 Locate the CMOS jumper (CMCL R2) on the system board.
N.B.: For more information on the location of the jumper, see
board components".
4 Remove the jumper plug from the password jumper-pins (PSWD) and connect it
to the CMOS jumper-pins.
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"System-