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LOCK appears on the screen when any key is touched

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I have an LG Optimus TMOBILE phone, and the talkback is on, I can't get to the Assisablity screen in the settings. How can I disable this?


get your manual here,
LG Support USA Customer Service and Technical Support LG USA

1.From the Home screen, touch the Menu Key .
2.Touch Settings > Privacy > Factory data reset.
Read the warning and touch Reset phone

If your phone does not restore to the original condition, use a Hard Reset (Factory Reset) to initialize it.
When the phone is turned off, press and hold the
power/lock key and down volume,after 5 seconds, keep pressing the previous keys and touch and hold the Menu Key + Back Key (must be done before the touch key LED lights turn on). When the LG logo appears, release the Power/ Lock Key but keep pressing the rest of the keys. The phone will perform a factory reset immediately. WARNING: If you perform a Hard Reset, all user applications, user data and DRM licenses will be deleted. Please remember to back up any important data before performing a Hard Reset

May 14, 2015 | LG Cell Phones

1 Answer

My garmin 260w froze will not do anything


If the Touch Screen is not working properly, calibrate the touch screen

Turn unit off then back on.

Slide Power Key to right ( lock )

Hold finger on sceen for 30 seconds until the calibration screen appears

Follow on screen instructions

Oct 29, 2010 | Garmin nuvi 250W GPS Receiver

1 Answer

How do you recalculate the screen.


Do you mean Re-Calibrate...?

If the Touch Screen is not working properl, calibrate the Touch Screen

Turn the unit off then back on

Slide Power Key to the right ( lock )

Hold your finger on screen for 30 seconds until calibration screen appears

Follow on screen instructions

Oct 29, 2010 | Garmin nuvi 200W GPS Receiver

1 Answer

Touch screen stopped working...Garmin nuvi 650 jvdurham@windstream.net


If the Touch Screen is not working properly, calibrate the touch screen.....Turn unit off then back on

Slide Power Key to the right ( lock )

Hold your finger on the screen for about 30 seconds until the calibration screen appears.

Follow on screen instructions

Oct 28, 2010 | GPS

1 Answer

Touch screen is unresponsive


If the Touch Sceen is not responding properly, calibrate the touch screen.. Turn the Nuvi off then back on Slide Power key to the right (lock) Hold your finger on the secrren for 30 seconds until the calibration screen appears Follow the on-screen instructions

Oct 26, 2010 | Garmin GPS

1 Answer

Touch screen problem


If the touch screen is not responding properly, calibrate the touch screen.

Turn the Nuvi off and then back on. Slide Power key to the right (lock ).

Hold your finger on the screen for about 30 seconds until the calibration screen appears.

Follow the on screen instructions.

Oct 23, 2010 | GPS

1 Answer

Touch screen on my garmin nuvi 205 stopped responding


If the touch screen is not working properly, calibrate the touch screen.

Turn Nuvi off and then back on.

Slide power key to the right (lock). Hold your finger on the screen for about 30 seconds until the calibration screen appears.

Follow the directions on screen instructions

Oct 23, 2010 | Garmin nuvi 205 GPS Receiver

1 Answer

I cant use the touch screen.. it wont work


If you have a Garmin 700 series unit, if the screen is not responding properly, Calibrate the touch screen.

Turn the unit off and then back on

Slide Power key to the right ( lock )

Hold your finger on the screen for about 30 seconds until the calibation screen appears.

Follow the on-screen instructions.

Oct 21, 2010 | GPS

1 Answer

Touchscreen don't work..


If the Touch Sceen is not responding properly, calibrate the touch screen.. Turn the Nuvi off then back on Slide Power key to the right (lock) Hold your finger on the secrren for 30 seconds until the calibration screen appears Follow the on-screen instructions

Jul 30, 2010 | Garmin nuvi 255W GPS Receiver

1 Answer

My garmin (nuvi 670) touchscreen does not respond to any touch


If the Touch Sceen is not responding properly, calibrate the touch screen.. Turn the Nuvi off then back on Slide Power key to the right (lock) Hold your finger on the secrren for 30 seconds until the calibration screen appears Follow the on-screen instructions

Apr 08, 2010 | Garmin 010-00358-00 GPS Receiver

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