Navigation button doesnt respond

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.

Sounds like you should try recaliberating the touch screen. Calibration must be done with a stylus. Please note: Using a unlicsensed screen protector can lower the sensitivity of the screen, making calibration difficult. If the problem you are encountering started happening after installing a screen protector, this may be the cause of the problem. Remove all games from the Nintendo DS. Turn the system on by pressing the POWER button. Press the A Button when the "Touch the Touch Screen to continue" message appears. When the main menu appears, use the Control Pad to to place the cursor over the Settings Menu Panel at the bottom of the screen, and press the A Button. should look like this :

Use the Control Pad to place the cursor over the orange icon that looks like crosshairs (the right-most icon), and press the A Button. should look like this:

Use the stylus, and tap the red square that appears on the screen. Do this each time the square moves. You must touch the red square precisely at each of the three positions, otherwise the test will continue to re-start If the touch screen is not responding properly, hold the Nintendo DS at an angle so that you can see where the edges of the Touch Screen meet the housing of the system. Look around the entire edge of the Touch Screen for any foreign material (such as crumbs, etc.) that may be wedged in between the Touch Screen and the housing of the DS. Foreign material in this area can cause the Touch Screen to work incorrectly. When complete, four squares will appear, allowing users to test the touch screen sensitivity. (Testing is optional.) Tap the "Confirm" button in the lower-right corner. Wait for the the confirmation message to disappear, then tap "Quit," then "Yes" to exit. The unit will shut down automatically to save the settings. hope this helps

You'll need to send the phone to Cell Phone CPR to have it properly repaired.
Here's the link:
http://www.cellphonerepair.net/

There is no map data or it has become corrupted get the maps reinstalled

YEA PLEASE CAN YOU HELP MEE BECAUSE MY Sylvania SMPK8854B WILL NOT LETT ME TOUCH THE SETTING AND I REALLY NEED HELP!! WITH MY Sylvania SMPK8854B!!
THANK YOU THEY MUCH!♥

Try calibrating your screen. Please use the stylus to calibrate!
The fastest way is to be on the slide-lock screen & hold the side volume button in the Up position until
"Press volume down key to check" comes up onscreen. This may or may not work on all firmware versions
on the current i9, but works on most. Make sure to hold the button firmly in the Up position. You will first
see the normal volume speaker icon show onscreen and the volume rise, but just keep holding it Up, and
eventually you should see the pop-up box noted earlier. The moment you see that pop up onscreen,
immediately press the side volume button in the down position. A white calibration screen should now
show & you can calibrate the touch screen using the stylus. Try to tap as close to the center of the little
pulsating icons as possible, as this will more accurately calibrate your touch screen. If the calibration
screen didn't come up using that method, then you can get to it from the Main menu screen.
Select "Settings", then select "Pen calibration", & follow the previous instruction.

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i did all things described to get the screen workin,pressed the red n green buttons simultaneously n with the friggin stylus i pressed the reset button underneath, pulled the battery out a coupla million timesn put it in, but it jus doesnt unlock, the touchscreen aint workin, i can call, mssag or do anything except recieve calls, Arpan

My touch screen has not been responding but my navigation buttons are working. I'm not able to check my contacts too.. .

This is straight from Palm Support...
1.Press and hold the UP button on the front panel of your device.

2.While holding the UP button, use an unfolded paper clip, or the reset tool at the tip of your stylus, to gently press the RESET button inside the hole on the back of your device


3.The Palm Computing Platform screen will appear. Release the UP button when you see it.

On the front pannel you have the 4 buttons and the central navigation key. Press simultaneous the first and the last of this buttons (1 and 4) and then with your stylus (while keeping these buttons pushed) press the soft reset button (bottom of the device, a small hole). Keep these pressed alltogether for 4-5 sec then release them and do a soft reset. Your PDA should now be in factory settings. If not, try again. It will work.