Question about LG CU500 Cellular Phone

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Touchscreen does not work

Display of colors no dead pixels looks fine yet Touch screen is unresponsive. After a charge the screen is just not working anymore.

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  • alzft25 May 22, 2009

    I mean Xenon LG xenon this CU500 was just default

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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.

Posted on May 22, 2009

  • Michael Masters
    Michael Masters May 22, 2009

    If the phone is entirely inoperable, this is a main board issue. repair is needed in this case for sure.

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After a charge the screen

Posted on Jun 07, 2009

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Posted on Jan 02, 2017

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1 Answer

Digitizer doesnt work


The Apple iPod is a handy device for listening to your favorite music, but mechanical issues can lead to frustration.

In particular, one problem you may encounter is a touch screen that ceases to function, whether completely or only on certain portions of the screen.

In some cases, a simple fix can solve the problem, while in others, a malfunctioning touch screen may be the sign of a more serious issue.Moisture

Moisture on your fingertips can cause an iPod touch screen to function erratically or not at all. Foreign substances such as hand lotion can also impact the touch screen.
A good practice is to thoroughly wash and dry your hands before using the device.
Wiping the screen with a microfiber polishing cloth can remove any debris accumulated on the touch screen, allowing for the direct fingertip contact necessary for proper functioning.
Barriers

Using a plastic sheet to cover the touch screen provides protection against dirt and smudges. However, the plastic can also create a barrier that prevents essential fingertip contact, especially if it is old and dirty.

Removing the plastic allows you to test the screen to see if it is hindering operation.
Wearing gloves when using your iPod may also inhibit the necessary screen contact, so removing them may also provide a remedy.

Ending Application If your iPod's touch screen freezes or becomes unresponsive when using a specific application, simply restarting the application may solve the problem.

First shut down the application; if this doesn't work, shut down the unit completely and then restart it.
Dead Spots
Instead of a completely unresponsive screen, you may experience difficulty only in specific areas. These "dead spots" are often the result of malfunctioning pixels, which are the components that comprise a digital image.

If you suspect bad pixels are causing your touch screen issues, notify Apple Support for repairs or even replacement.

According to the Tuaw website, Apple's policy has generally been to provide automatic replacement for iPods experiencing pixel problems.

Apr 11, 2014 | Apple iPod touch

1 Answer

Unresponsive touchscreen


You could try updating the phone firmware. If it is already up to date, try to re install the same firmware and see whether the problem gets fixed.

If not ; you may need to replace the touch screen/digitizer of your phone with a working one

Jun 17, 2017 | Cell Phones

1 Answer

Blotted screen in my hp laptop


1.Locate the problem pixel. Display a true black image on your HP's monitor. You can do this by playing a DVD on your HP laptop, and pausing it on the black screen just before the movie starts. Once you bring up a black image on screen, the stuck or dead pixel should be visible.
2.Try applying direct pressure to the problematic pixel. After you've located it, turn off your laptop. Place a soft cloth or rag over the pixel to avoid damaging your screen. A soft chamois works well. Using the tip of a pen, apply gentle pressure to the pixel. You don't need to press hard, as too much pressure can crack or scratch your screen. While applying pressure, boot up your laptop. This should force the pixel to begin working properly.
3.Tap the pixel. With your Toshiba booted up and an image on the screen, gently tap the pixel with the rounded end of a pen cap. Tap hard just hard enough to see a small white flash on the screen. Tap your HP's screen until the pixel begins working properly.
4.Download a stuck pixel program. Several programs, including JScreenFix, UDPix and Pixel Protector, are available for download and can help fix a malfunctioning pixel. These programs display rapidly changing colors and images on your screen. The flashing colors and images can force the pixel to begin functioning properly.
5.Contact HP. If none of the above methods work, your screen may have a pixel that is truly dead. If that's the case, the only option is to replace the display completely. Contact HP customer support at www.hp.com to find an authorized repair service near you.

Sep 19, 2011 | Computers & Internet

1 Answer

Touch screen unresponsive


This is not caused by the cable being loose on the main board. Its caused by a intermittant touchscreen where the resistive grid is not making good contact with the tail (cable) that plugs into the main board.

Its a defect in the manufacturing process and can only be resolved by replacing the touchscreen. Please see this link for more info:

http://www.sharc.net/gps_LCD_repair.htm


- Jim

Sep 30, 2009 | Garmin Nuvi 660 GPS Receiver

2 Answers

Nuvi 650 touch screen dead/unresponsive it worked a few weeks ago, been inside the house in the A/C vs. the hot car and now it won't react to touch. Tried the steps from the manual but never get...


The touchscreen & glass needs to be replaced. I've seen and repaired many of these screens even when they show no physical sign of damage. It's due to a bad production run of screens. Please see this link for more info:

http://www.sharc.net/gps_LCD_repair.htm


- Jim

Sep 11, 2009 | Garmin nuvi 250W GPS Receiver

1 Answer

Nuvi touchscreen dead


settings.

1. Turn the device OFF.
2. Place your fingertip or the eraser end of a pencil in the top right corner of the touchscreen.
3. Apply pressure in the top right corner of the screen.
4. While pressing down on the screen, power ON the unit and continue pressing on the screen. A message displays

to confirm if you really want to delete all user data?
5. Touch Yes.
6. The unit will now restart.
7. Follow the onscreen prompts to set up the nuvi.

Jul 31, 2009 | Garmin Nuvi 350 Car GPS Receiver

2 Answers

Touchscreen stopped working propperly


these phones are **** thats all i know

Sep 09, 2008 | Palm Treo 600 Handheld

2 Answers

Touch screen


I havn't tried this yet but I will tomorrow.

Per the Manual,

To calibrate the touchscreen:

  1. Press the remote or unit MENU key.
  2. Select Display
  3. Press the remote or unit FIND key to begin calibration.
  4. Follow the on-screen instructions
Hope this helps!

Aug 04, 2008 | Garmin StreetPilot 2620 GPS Receiver

3 Answers

TyTn II unresponsive touchscreen


Try to calibrate the touch screen. Also clean it with a soft cloth. But calibrating it should help the film when you tap the screen.

Apr 16, 2008 | HTC TyTN Smartphone

2 Answers

Put in new top screen, now bottom touch screen unresponsive


I know you replaced both top and bottom, and I am assuming that you placed the touch screen as well? it would be the touchscreen that is not working or you did not connect right. connie

Aug 17, 2007 | Nintendo DS Lite Console

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