Question about Sony Ericsson P990i Cellular Phone

1 Answer

Touch screen problems

Only the down part of the screen is working na swen i negotiate the upper part it works but only for the items below

Posted by selim on

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1 Answer

Anonymous

It seems to be a hardware problem. you can buy a LCD touch screen on Ebay and replace it, or take your phone to a sony center for the screen to be replaced. there´s no way to solve this problem with software updates or upgrades.

Posted on Sep 12, 2007

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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 out.now 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

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Screen seems OK but there is no way to interface as it does not respond to touch. Unit is 255w and about 2 years old.
The solution to this problem is for you to calibrate the screen. Before calibrating the screen, i will advice you reset the gps. To reset your device, hold down the power button for about 15 seconds, it will restart itself and power up fully, if the touch screen does not still work, then calibrating the screen will do the job for you. To calibrate the screen, follow the steps below:
  1. Turn off your nuvi,
  2. Hold the upper left corner of the screen, then turn on the nuvi,
  3. Release the power key once the garmin screen appears,
  4. Continue to hold the upper left corner of the screen for 30 seconds till a white screen with 'touch dots' appears,
  5. Then follow the rest of the guide from there.
It might take a few tries before it works for you but you have to keep trying till you get it right. I am very certain that this will work for you.

Dec 31, 2010 | Garmin nuvi 255W GPS Receiver

1 Answer

Touch screen not working
Try to remove the battery and insert it back into your gps device and turn it on. If the screen does not still work, then you need to reset the nuvi, by holding down the power button for about 15 seconds, then the unit will restart, that way the touch screen should respond. If it still does not work, then you need to calibrate the screen to get it to work. To calibrate the screen, follow the sreps below:
  1. Turn off your nuvi,
  2. Press your finger on the upper left corner of the touch screen,
  3. While holding your finger on the touch screen, turn on the nuvi,
  4. Continue to hold your finger on the screen for about 30 seconds until the calibration screen appears (white screen with touch dot),
  5. Then follow the on screen instructions.
It might not work trying it once, so you have to try it over time till it works. Calibration is the last resort of all solutions, so if calibrating it does not do the work, then it means it a an internal problem.

Dec 25, 2010 | Garmin nuvi 650 GPS Receiver

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Unable to unlock Nuvi 780 screen. The slideing button on the top left dosen't work, it lost the grip and just move on either direction with out any action. Please help
Try to remove the battery and re insert it back in to see if it will work. Or hold down the power on/off for about 15 seconds, that should do the job.


If that does not do it, then you have to calibrate the screen. To calibrate the screen, follow the steps below:
  1. Turn off your nuvi,
  2. Press your finger on the upper left corner of the touch screen,
  3. While holding your finger on the touch screen, turn on the nuvi.
  4. Continue to hold your finger on the screen for about 30 seconds until the calibration screen appears(white screen with touch dot),
  5. Then follow the on screen instructions.
That should do the job for you. hope this helps.

Dec 24, 2010 | Garmin nuvi 780 GPS

1 Answer

What to do? touch screen just stopped working? worked, and then 30 minutes later nothing...turned off/on several times, can't enter PIN or push "view map".
Try to remove the battery and re insert it back in to see if it will work. Or hold down the power on/off for about 15 seconds, that should do the job.
If that does not do it, then calibrate the screen, to calibrate the screen, follow the steps below:
  1. Turn off your nuvi,
  2. Press your finger on the upper left corner of the touch screen,
  3. While holding your finger on the touch screen, turn on the nuvi.
  4. Continue to hold your finger on the screen for about 30 seconds until the calibration screen appears(white screen with touch dot),
  5. Then follow the on screen instructions.
That should do the job for you. hope this helps.

Dec 24, 2010 | Garmin nuvi 255W GPS Receiver

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Our garmin nuvi 650 na - touch screen does not work.
The touch screen is affixed to the main circuit board by a heated connector, that when it breaks and loses connection, has to be reheated or replaced , and usually at the factory level, unless you're a good fixer-upper. I've seen videos of kids fixing ipod touch screens, and it can be done, but it's quite a process.
You might contact Garmain, and see what they would charge to fix it. Here's their support site:
http://www8.garmin.com/support/warranty.html
You might wait for some after Christmas sales, in case they want too much to fix it.
Good luck, and hope this helps.

Dec 24, 2010 | GPS

1 Answer

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



Hi,

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

2 Answers

My apple iphone(touch screen spoilt
Hi,
I have the same problem my iphone dose not work frome uppers please inform me what can i do?

Thanks,
Ibrahim

May 06, 2008 | Apple iPhone Smartphone

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