You go to parental controls. Then, you turn your Kindle Fire HD off.
How to turn off the underscore on a Kindle HD
To turn your Kindle off, hold the switch on the bottom righthand corner of the device - the same switch that you use to turn it on or to put it to sleep - until the screen goes completely blank. The process usually takes about 7 seconds.
you turn the computer off and when u turn it on press Safe mode. you turn the computer off and when u turn it on press Safe mode.
there is a button on the bottom of the kindle fire to turn it on but other than that there is no other switch. hope this helps!
you choose safe mode when you get a name
how to get droid out of safe mode
You find the safe search options on the Kindle Fire under Parental Controls. To get there, swipe the black bar down on the menu screen and go to "More." From here, choose Parental Controls, enter your password, find the Parental Control switch, and tap it on or off.
To turn off safe mode on a Samsung Galaxy Ace just turn off the phone and take out the battery. Replace the battery and turn the phone back on and it should reset it to where it is not on safe mode.
To turn of the safe mode on a htc sensation Xl, go to the settings menu and scroll down to the modes option. select the off button under the safe mode section.
you can not
you turn the music on and then go home then log into the app
You locked the screen (button in the settings at the top right).