Question about LG Vu CU920 Cellular Phone

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The touch screen is not working. I can answer a call with the buttons, but the screen is unresponsive. I have take the battery out and placed it back to no avail.

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For touch screen issues you can try to fix it by resetting your phone by removing it's battery letting it sit for 5 minutes and turn it back on. If this won't work chack your phone's warranty to have it replaced. If the phone is already out of warranty try to bring it to a Service Center that fixes phones.

Posted on Sep 09, 2010

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Posted on Jan 02, 2017

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Fix an Unresponsive Ipod Screen
Many of today's electronic devices including cell phones, music players and portable game systems have a touch screen.
When a touch screen fails, it does not respond when you tap it with your finger or a stylus.
This can happen due to several reasons, such as a screen protector, dust or improper calibration.
You can often fix an unresponsive touch screen by cleaning it or resetting the device.
Remove the plastic touch screen protector sheet.
Some protector sheets are too thick and prevent the touch screen from responding to your touch. If you must use a protector screen, only use one that is licensed for your specific device.
Wipe the screen with a soft microfiber cloth.
Clean off any dirt, dust or fingerprints on the screen.

Dry your hands thoroughly.
The touch screen will not respond if your hands are wet.
Reset the device.
If your device does not have a "Reset" button, remove the battery, memory card or SIM card, then reinstall them.

Delete any third-party applications you recently installed.
Some third-party applications can cause your device to lock up or freeze.

Recalibrate the touch screen.
Look in the device's Settings menu for a calibration option and follow the prompts.


http://support.apple.com/kb/ts2771
iPod touch: Hardware troubleshooting
If this fails to fix the problem
Press the "On/Off-Sleep/Wake" button and hold it for a few seconds, until a red slider appears. Press the "Home" button until the frozen app quits.
If this doesn't work, you can try restarting the iPod touch.
Press the "On/Off-Sleep/Wake" button if you need to restart the iPod touch, and hold it until the red slider appears on the screen.
Slide your finger over the slider to turn off the device.
Press the "On/Off-Sleep/Wake" button and hold it until the iPod touch turns back on.
If you can't turn off the iPod touch, you can try resetting it.
Press the "On/Off-Sleep/Wake" button while simultaneously pressing the "Home" button when you want to reset the iPod touch, and continue to hold the buttons for at least 10 seconds, until the screen goes black and the Apple logo appears.

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1 Answer

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Like all electronic devices, iPods sometimes freeze and become unresponsive.
Sometimes iPods lock up when they're dropped on the ground or come in contact with water, but less destructive accidents may also cause them to stop working.
All versions of the iPod have a way to reset their hardware should they stop playing music or refuse to turn off.

Check the "Hold" switch on the top case of your iPod to be sure it isn't activated.
An iPod will appear frozen and unresponsive if this feature is activated.
A lock symbol will appear on your iPod's screen if it is in Hold mode.
Switch the "Hold" button on and off once. Place one finger on the "Menu" button and another on the center button.

Press both buttons at the same time and hold them for up to 8 seconds.
Release the "Menu" and center buttons once the Apple logo appears on your iPod's screen.
Try releasing the buttons and pressing and holding them a second time if the logo does not appear, as it can sometimes take several tries to reset a severely frozen iPod.
Press and hold the top button and the center "Home" button on a frozen and unresponsive iPod touch to reset it.
Hold the buttons for at least 10 seconds and wait for the Apple logo to appear on the screen, then release the buttons.
Connect your iPod to its powerblock or a computer if it is still frozen.
Wait 5 minutes and then try to reset it.
Sometimes an iPod can appear frozen when its battery runs out and just needs a few minutes of power to start working again.

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1 Answer

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Like all electronic devices, iPods sometimes freeze and become unresponsive. Sometimes iPods lock up when they're dropped on the ground or come in contact with water, but less destructive accidents may also cause them to stop working. All versions of the iPod have a way to reset their hardware should they stop playing music or refuse to turn off.

Check the "Hold" switch on the top case of your iPod to be sure it isn't activated. An iPod will appear frozen and unresponsive if this feature is activated. A lock symbol will appear on your iPod's screen if it is in Hold mode. Switch the "Hold" button on and off once. Place one finger on the "Menu" button and another on the center button. Press both buttons at the same time and hold them for up to 8 seconds. Release the "Menu" and center buttons once the Apple logo appears on your iPod's screen. Try releasing the buttons and pressing and holding them a second time if the logo does not appear, as it can sometimes take several tries to reset a severely frozen iPod. Press and hold the top button and the center "Home" button on a frozen and unresponsive iPod touch to reset it. Hold the buttons for at least 10 seconds and wait for the Apple logo to appear on the screen, then release the buttons. Connect your iPod to its powerblock or a computer if it is still frozen. Wait 5 minutes and then try to reset it. Sometimes an iPod can appear frozen when its battery runs out and just needs a few minutes of power to start working again. Hope this helps.

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Like all electronic devices, iPods sometimes freeze and become unresponsive. Sometimes iPods lock up when they're dropped on the ground or come in contact with water, but less destructive accidents may also cause them to stop working. All versions of the iPod have a way to reset their hardware should they stop playing music or refuse to turn off.

Check the "Hold" switch on the top case of your iPod to be sure it isn't activated. An iPod will appear frozen and unresponsive if this feature is activated. A lock symbol will appear on your iPod's screen if it is in Hold mode. Switch the "Hold" button on and off once. Place one finger on the "Menu" button and another on the center button. Press both buttons at the same time and hold them for up to 8 seconds. Release the "Menu" and center buttons once the Apple logo appears on your iPod's screen. Try releasing the buttons and pressing and holding them a second time if the logo does not appear, as it can sometimes take several tries to reset a severely frozen iPod. Press and hold the top button and the center "Home" button on a frozen and unresponsive iPod touch to reset it. Hold the buttons for at least 10 seconds and wait for the Apple logo to appear on the screen, then release the buttons. Connect your iPod to its powerblock or a computer if it is still frozen. Wait 5 minutes and then try to reset it. Sometimes an iPod can appear frozen when its battery runs out and just needs a few minutes of power to start working again. Hope this helps.

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Like all electronic devices, iPods sometimes freeze and become unresponsive. Sometimes iPods lock up when they're dropped on the ground or come in contact with water, but less destructive accidents may also cause them to stop working. All versions of the iPod have a way to reset their hardware should they stop playing music or refuse to turn off.

Check the "Hold" switch on the top case of your iPod to be sure it isn't activated. An iPod will appear frozen and unresponsive if this feature is activated. A lock symbol will appear on your iPod's screen if it is in Hold mode. Switch the "Hold" button on and off once. Place one finger on the "Menu" button and another on the center button. Press both buttons at the same time and hold them for up to 8 seconds. Release the "Menu" and center buttons once the Apple logo appears on your iPod's screen. Try releasing the buttons and pressing and holding them a second time if the logo does not appear, as it can sometimes take several tries to reset a severely frozen iPod. Press and hold the top button and the center "Home" button on a frozen and unresponsive iPod touch to reset it. Hold the buttons for at least 10 seconds and wait for the Apple logo to appear on the screen, then release the buttons. Connect your iPod to its powerblock or a computer if it is still frozen. Wait 5 minutes and then try to reset it. Sometimes an iPod can appear frozen when its battery runs out and just needs a few minutes of power to start working again. Hope this helps.

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turning it off doesn't do much if you don't pull out the battery. Turn it off, pull the battery and let it stay out for 45seconds - a minute. then try again. be patient and don't tap the screen until it prompts you.

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Ok, remove the battery for 5 minute to reset the internal programming. once the 5 minutes are up, re insert the battery and power up. if the screen is still unresponsive, you will need to contact your manufacture for a repair ticket. the internal software that is used for collaborating the touch screen has failed.

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