How to turn tv on after locking front buttons

FPA stands for Front Panel Lock, which disables the buttons on the TV's front panel. To disable it on the Sharp LC-40LE830U, follow these steps:

1. Turn on the TV.
2. Press and hold the VOL- button on the TV's front panel.
3. While holding the VOL- button, press and hold the INPUT button on the remote control.
4. Hold both buttons down until the message "Service Menu" appears on the screen.
5. Release both buttons.
6. Use the arrow keys on the remote to highlight "Option" and press ENTER.
7. Highlight "FPA Lock" and press ENTER.
8. Change the setting to "Off" and press ENTER.
9. Press EXIT to exit the service menu.

The FPA lock should now be disabled, and you should be able to use the buttons on the TV's front panel again.

TV won't turn on • Press the TV button. Make sure the TV is plugged in.• Check the wall receptacle (or extension cord) to make sure it is "live" by plugging in something else.• Something might be wrong with your remote control. Press the POWER button on the front of the TV. If the TV turns on, check the remote control solutions on page 26.• The front panel controls may be locked (disabled). Use the remote control to unlock the front panel controls by selecting the Lock Fr. Panel in the PARENTAL CONTROL menu and press OK (box won't have check mark).Buttons don't work
• If you're using the remote control, press the TV button first to make sure the remote is in TV mode.• The front panel controls may be locked (disabled). Use the remote control to unlock the front panel controls by selecting the Lock Fr. Panel in the PARENTAL CONTROL menu and press OK (box won't have check mark).• Unplug the TV for two minutes and then plug it back in. Turn the TV on and try again.TV turns off unexpectedly • Sleep timer might have been activated. Go to page 24 for instructions.• KidPass might have been activated. Go to page 21 for instructions.• Wake-Up timer turned on the TV and no remote or front panel buttons were pressed for two hours.• Electronic protection circuit may have been activated because of a power surge. Wait 30 seconds and then
turn on again. If this happens frequently, the voltage in your house may be abnormally high or low.
• Unplug TV. Wait five minutes. Plug it in again.

Start the laptop and press F8 to go into safemode. Once boots up, go to control panel and click on user account. There will be option to remove password or reset password.
Thanks

Front Panel Lock

This feature allows you to lock the buttons on the front of the TV. Even when the front panel lock

feature is ON, the TV operates with the remote control.

• To lock the buttons on the front of the TV, make sure the TV is turned ON, then press and

hold the ON•OFF button on the remote for approximately 5 seconds.

• To turn off the front panel lock, make sure the TV is OFF, then press and hold the

ON•OFF button on the remote for approximately 5 seconds. Now the buttons will operate
properly.

http://support.ttetech.com/RCATV/Assets/pdfs/E13320_1558177E_IB_e-02.pdf A manual for a similar model if you need it. Many of the controls should work the same. Good luck and please leave feedback!

These are the instructions on locking and unlocking the control panel for your TV: Front Panel Lock This feature allows you to lock the buttons on the front of the TV. Even when the front panel lock feature is on, the TV operates with the remote control. To lock the buttons on the front of the TV: 1. Make sure the TV is on. 2. Press and hold the POWER button on the remote for approximately 5 seconds. To turn off the front panel lock: 1. Make sure the TV is off. 2. Press and hold the POWER button on the remote for approximately 5 seconds

You're going to need the remote to fix this one. If you have any other GE or RCA tv's you can try it. Most of the remotes that are produced within a few years of your television will probably work. When you get one the instructions are: Front Panel Lock This feature allows you to lock the buttons on the front of the TV. Even when the front panel lock feature is on, the TV operates with the remote control. To lock the buttons on the front of the TV: 1. Make sure the TV is on. 2. Press and hold the POWER button on the remote for approximately 5 seconds. To turn off the front panel lock: 1. Make sure the TV is off. 2. Press and hold the POWER button on the remote for approximately 5 seconds

Child Lock allows you to lock the buttons on the front of the TV.
Press MENU to see the main menu.
Press CH+ or CH- to highlight
Preferences.
Press OK to enter the Preferences
submenu.
Press CH+ or CH- to highlight FPA
(Front Panel) Lock.
Press VOL+ or VOL- to turn on or off
FPA Lock. Choose On to disable all the
buttons on the front of the TV. FPA Lock
On will appear on the TV screen each
time you press buttons on the front of
the TV. You can still operate the TV with
the remote control. You can still use the
POWER button on the front of the TV, but
only to turn off the TV (not on). Set FPA
Lock to Off to cancel this feature so you
can use the buttons on the front of the TV
again.
Press MENU repeatedly to exit the
menu or the menu will automatically
disappear within a few seconds if no
buttons are pressed on the remote
control.
I hope this helps and good luck!

The solution is so simple!
Press the POWER (RED) button and the TV/AV button simultaneously - hey presto! the child lock will switch off and you will have your TV back working properly.

1 Press MENU to show the on-screen
menu.
2 Press VOL+ or VOL- repeatedly until
SET is highlighted.
3 Press CH+ or CH- to highlight CHILD
LOCK.
4 Press VOL+ or VOL- to choose ON or
OFF.
Choose ON to disable all the buttons on
the front of the TV. CHILD LOCK ON
will appear briefly on the TV screen each
time you press a button on the front of
the TV.
You can still operate the TV with the
remote control.You can still use the
POWER button on the front of the TV,
but only to turn off the TV (not on).
Set CHILD LOCK to OFF to cancel this
feature so you can use the buttons on
the front of the TV again.
5 Press TV/AV/EXIT to remove the
menu from the screen.