LCD Dell w1700 unlocking button method
液晶电视戴尔w1700解锁按键方法 ,为国外朋友，此机中国大陆很少。
Phenomenon is the emergence of a lock button on screen, not operating.
[color=red]Press and hold the menu button is placed, then turn on the power switch for 10 seconds[/color], the release of the menu button. The screen displays the main menu is unlocked. The key can be used.
