Question about HTC Thunderbolt (8 GB) Smartphone

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Upper portion of the screen does not respond to touch commands.

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The glass part of the screen is called a digitizer when the cable comes loose some parts of the screen doesnt work.

Posted on Dec 31, 2012


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I have an android micromax yu4711 Recently my mobile doing ghost touches ,after some observation I found

Hi abhiyewale. Does the problem occurs when you first bought the device? If so, this might be a factory defect and must be handled by the seller, where you have bought your device, if under warranty.

If this was a user issue, the problem might caused by a software bug or a faulty touch screen.

Try resseting your device and see if the problem exist.
If so, send your device to the nearest technician for diagnosis.


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The touch screen on my radio navigation system does not respond to any touch commands

your touch commands has worn out or pushed back by touching to hard..

Aug 31, 2013 | 2005 Hummer H2

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We're is the LCD located in my phone

One of the iPhone's greatest features is its highly intuitive touch screen.
Unlike other electronic device touch screens, your iPhone doesn't operate using the blockage of light to decipher which keys and commands you're pressing.
This makes it a viable choice for cell phone users who may not be able to complete other types of commands.
While you cannot alter the sensitivity of your iPhone, you can toggle certain features that make your phone easier to use.
How It Works

The key to understanding the sensitivity level of your iPhone's touch screen is first understanding how the touch screen actually works.
Instead of detecting light blockages or heat to interpret your finger's movements, the iPhone actually has a grid that lies underneath the surface of the touch screen.
When your finger touches the screen, electrical impulses detect the area on the grid that you're touching to interpret the letter, command or motion you're making to issue the correct response.
Screen Sensitivity
While previous models of the iPhone did offer the ability to change the screen sensitivity and the speed by which your phone responds to commands, the iPhones 4 and 4S no longer offer the option.
Instead, the touch sensitivity on newer phones is automatically calibrated for the fastest speeds, which means your phone responds quickly to your touch.
If this frustrates you and results in commands and calls you didn't mean to make, locking the screen by pressing the button on the top right-hand rim of the phone helps stop unwanted commands.
Assistive Touch
Update iPhones running on iOS 5 with an option known as "AssistiveTouch," which allows users who may not have complete control over their bodies and motions to use the iPhone.
This program allows you to change the speed at which the phone responds to your touch.
By tapping the "General" icon, then touching "Accessibility" and "AssistiveTouch," you'll enter the assistive touch menu.
When you turn on the option, an overlay appears on the screen that allows you to give commands by touch, rather than by shaking, swiping or pinching the screen.

When setting up AssistiveTouch, you'll have the opportunity to select your command tracking speed, which deals with how sensitive your iPhone is to your various gestures and custom commands.
Case Issues
Your touch screen isn't the only place where your phone is sensitive to movements.
Your iPhone has a feature called a proximity sensor.
The role of the proximity sensor is to sense the closeness of your face during a phone call. When the phone senses that your face is close to the phone, it locks your screen to prevent you from accidentally activating the touch screen with your cheek or ear.
This is handy, except when the proximity sensor is partially obscured by a case and is no longer sensitive to the position of your face.
The proximity sensor is found on the upper right-hand corner of your screen, so ensure that it remains uncovered to preserve its sensitivity.

Jul 14, 2013 | Cell Phones

1 Answer

My touch screen is not responding.

Most common problem of a touch screen mobile is when :

1. dropped the phone into high range.
2. water damage
3. and when the touch screen panel is broken.

(D-I-Y) if you have the parts with you,unscrew all sides were screws are located at the back housing portion using T6 precision screwdriver,just lift up the upper portion of the housing,be careful cause most of touch screen is attached with a strong adhesive towards the LCD,lift up the clip of the touch screen flex connector and pull it you can remove and replaced touch screen panel on the upper portion of the housing and assemble it,then try if its working properly, some instances that the replacement parts has a factory defect so you can go to the parts supplier and ask for a change item.

but if you can't do it on your own,just bring the mobile to a phone service technician nearest you.

Jun 17, 2011 | LG KM555 Cell Phone

1 Answer

Touch screen not working properly, i touch down part of screen and it activate upper options. upper part of screen not responding



the touch screen of the phone you are using is weak and it is not responding properly again.

in other to resolve the problem,you will need to replace the touch screen with a new one.

For touch screen replacement , Contact a technician.

Take care.

Jun 28, 2010 | Samsung SGH-D980 Cell Phone

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Problem with touch screen

what i tried was a warm reset, then doing the digitizer like 12,000,000 times.

Mar 02, 2008 | LG KU990 Viewty

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Ds lite not responding to commands

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