Samsung UN40D5550RF E-Manual page 197

2. Enter the your security password.
The default password set is "0-0-0-0."
N
If you forget the password you created, press the following sequence of
N
remote control buttons to reset the password to "0-0-0-0":
MUTE
3. After a few moments, Smart Hub automatically resets. The screen may
go black, then Smart Hub re-appears. In a few moments, it starts the re-
initialization procedure.
▶
4. To complete the re-initialization, go to Step 4 in Starting Smart Hub for the First
Time.
→ → → →
8 2 4 POWER (on).
English
(off) →
POWER
▶