Question about Cell Phones

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We're is the LCD located in my phone

Lights Come on on the bottom of my touch screen phone but the screen do not come on can you help

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  • Cell Phones Master
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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.

http://www.gadgetvenue.com/how-the-iphone-touch-screen-works-02223447/


http://www.appleinsider.com/articles/11/07/11/inside_apples_ios_5_assistive_touch_allows_accessible_gesture_commands/

Posted on Jul 14, 2013

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I cannot slide open my LG phone. I hear my Messages but can't open the phone, no matter what


What is your phone model?

These answers were given assuming that you're using a LG smartphone with a touch screen :

Scenario 1 : Can you see the screen lights up and any sort of graphical image when you hear incoming message ?
A : If you can, and still you cannot slide unlock, your touch screen has gone. Get a replacement touch.

Scenario 2 : You cannot see anything on the screen. It stays dark when you hear incoming messages/calls
A : Your LCD has gone. A replacement LCD or a Touch/LCD combo would fix the issue.

I hope you saved your back by either way.

May 29, 2017 | LG Cell Phones

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How do you get a touch screen to work the phone is working but the touch screen isnt


LG has released a line of cellular phones that come equipped with a sleek touch-screen LCD display. Since these screens are high-tech and sensitive, they can be prone to damage or scratches. If the touch screen on your LG is damaged, and you don't have the money to take the device to a service technician, you can open up the phone and replace the touch screen yourself.

1. Turn off your LG and slide the back battery door down and off of the device. Lift the battery out of its compartment and use your Phillips screwdriver to remove the four screws located on each corner of the compartment.
2. Use your fingers to remove the back panel from the phone. The green motherboard will be revealed underneath.
3. Unplug the four ribbon cables that connect at the middle of the motherboard. Unplug the antenna cable in the top-right corner of the board. Lift the motherboard out of the phone housing and set it aside.
4. Use your Phillips screwdriver to remove the two screws located at the top of the phone housing, then separate the back frame from the front housing of the phone.
5. Lift the damaged LCD screen out of the phone housing. Replace it with a brand-new LCD screen (available from your LG retailer or online) and reassemble your phone in the reverse order you took it apart.

I hope you find it very helpful. Best regards.

Aug 18, 2011 | LG Vu CU920 Cellular Phone

1 Answer

The phone screen goes blank each time i touch a button but now it has gone completely but i can still accept calls and texts,just cant see anything on the screen! Help!


The screen is damaged, the only solution is to replace the LCD with a new one. opening the phone is quite easy for its only bolted by 6 screws, and the housing snaps out and you can see the LCD part already. Browse through Google or look around local repair shops in your location for a replacement LCD.

Oct 27, 2010 | Sony Ericsson K850i Mobile Phone

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How to do a hard reset on sprint samsung seek cell phone


Software reset Samsung Seek M350: -From the Home menu screen , touch the Main menu tab, located at the bottom
-Touch Settings
-Scroll down to the bottom of the menu
-Touch Reset
-Touch Reset Settings
-Read the statement displayed then touch Proceed
-Enter the 4 digit number then touch Done
Hard reset Samsung Seek M350:
-From the Home menu screen , touch the Main menu tab, located at the bottom
-Touch Settings
-Scroll down to the bottom of the menu
-Touch Reset
-Touch Reset Phone
-Read the statement displayed then touch Proceed
-Enter the PIN then touch Done to confirm the Phone Reset
Your Samsung Seek M350 will run quicker after resetting it. You can check it, hope you like my work.

Good Luck and please rate 4 thumbs up for the free answer

Sep 22, 2010 | Samsung Cell Phones

1 Answer

Iphone - bottom portion of touch screen not working


my cell iphone 's screen is not working. it became black with an arrowhead.

Sep 29, 2009 | Apple iPhone Smartphone

2 Answers

Unable to unlock my phone


Your device might have a problem in the touch screen.

In iPhone 2G the touch panel and the LCD screen are one unit that cannot be separated.

You shoud try to replace the iPhone screen with a new one and the problem should be fixed.

Aug 28, 2009 | Apple iPhone Smartphone

1 Answer

HTC Touch Pro LCD Going black and then sometimes working


is there the "calendar" and "contacts" menu buttons on the bottom of the black screen?

that's what would happen to me. i just turned off the touchFLO 3D on the today screen (by going to settings, then today screen options) and it seems to not go black anymore... even after being untouched for hours.

not sure if the same thing is happening to you, but it worked for me.

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Potentially dead Nintendo DS lite LCD screen. (bottom)


Hey, I can help you.


Yes, the Bottom LCD is dead. You will have to exchange it.

Below I have two links you should follow through. One to purchase a bottom LCD for a very cheap price and the other will show you how to replace the bottom LCD.


REMEMBER.. To place a plastic pad under the bottom lcd so it doesn't ground out the board. Forgetting to do this could potentially blow a fuse and you will have to replace those!!


1.) http://www.amazon.com/dp/B000RWXCE2?tag=wit08-20&camp=14573&creative=327641&linkCode=as1&creativeASIN=B000RWXCE2&adid=0JJ799NSS5VV0XTY8DYK&

2.) http://www.instructables.com/id/S3ZZJPKFA0CVIFO/

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1 Answer

My compaq presario lcd is working but it has no lights


If by lights, you mean the LED lights located around the exterior of the laptop (like the power light, hard drive light, etc.) then you may have accidentally switched those off.

First you need to locate the 'FN' key. On most laptops it's located on the bottom left of the keyboard, under the 'shift' key.

Next you will need to look for a symbol on the keyboard that would represent the LEDs. It's usually a light bulb, and is almost always located on the 'Fx' keys on the top of your keyboard (F1, F2, F3, etc.).

Once you have located the correct key, you need to hold the 'fn' key that we found earlier, and press the 'Fx' key that corresponds to the LED (or light bulb) button.

For example, on a older model Gateway laptop, I will hold the 'FN' key on the bottom left, and press 'F1'.

If by lights you mean the backlighting for the LCD screen, which would make the LCD screen appear very dim, then you will have to have the screen serviced or replaced.

I hope that helps, and if you have any questions, please let me know.

Dec 11, 2008 | Computers & Internet

1 Answer

Touch screen doesn't light up


Your problem is with the LCD behind the touch screen. The bottom scren on your DS is actually two screens. An LCD and a touch screen on top of it. Either your cable has come loose inside the DS or the LCD is possibly bad. This can be fixed.

The other option is that the electronics feeding the LCD have gone bad in which case you might as well buy a new DS. But check the screen first.

If the DS is under a year old you can send it to Nintendo for free repair.

Mar 04, 2008 | Nintendo DS Console

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