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I have a pronto TSU7500 remote. Suddenly the backlight stopped working. The hard buttons and the touch screen work fine but I cannot see the touchscreen. It is fully charged. Any suggestions?

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  • 46 Answers

SOURCE: screen orientation

PDAs that use touch screens have a very thin membrane over the screen itself that responds to pressure. If this membrane becomes damaged, which it sounds like what has happened, then you're more than likely going to need to have it replaced. You can try doing it yourself, but it's WAY up on the difficulty factor because of the complexity of the connection to the circuit board on the Vx.
To determine if your unit is, in fact, actually damaged, you should first make sure that you've syncronized the unit (which may not be possible if you don't have it set to automatically activate HotSync when the device is attached) then do a "hard reset" to restore it to the factory default. To do this, hold the reset button while simultaneously holding the power button for, at least, three seconds. You will get a message asking you to press up on the control pad to reset to factory defaults. Once the unit is reset, try the screen again... touching even the outer areas to see if there's any response. If it reacts, or beeps at all, then it may be an issue of recalibrating (using the "Digitizer") once it's fully reset. If not, it will need repair/replacement.

Posted on Nov 08, 2007

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SOURCE: Touchscreen does not respond to touch

Thanks, Your the best! I love my old beat up Treo 600. Everytime something goes wrong I panic, buy a new phone, and then find a fix for the Treo. This was a corker
I had exactly the problem listed. Taken the phone apart and put it back with no luck. After this post I took the Treo apart again but removed the Screen Saver and cleand all of the surfaces. Back together and BINGO! I'm in business again. The only problem now is what do I do with the HTC Touch Cruise on the way? Thanks again.

Posted on Apr 14, 2008

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SOURCE: T-mobile Wing - Touch screen stopped working

ok,

finally found the fix for this problem..
i had the same problem -
when you are the welcome screen align section
continue holding your stylus on the marker until marker moves to the next location
and continue this process with all four corners and the screen will go past the tap align screen

enjoy, glad i came across another forum for this problem

Posted on Sep 19, 2008

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SOURCE: Touch screen not working...

Hi guys,

i post this solution for those wo will be in the same situation in th next future. I had the same problem with my HTC TyTN (Herm 200). The touch-screen was simply not working. I read many 'solutions' on the net but none worked. I did not try the hard-reset because i was convinced this is not a software problem, and resetting the WM5 will not help. So i brushed the corners, looked for small particles which were pressing on the cover of the touch screen. but it did not work. finally i found one post (i don't remember where exactly) where a guy used a credit card and pushed it all around the touch-screen under the metal case (a bit harder). i tried it and it worked. i pressed harder especially in the lower part, above the buttons. and simply it worked ! no problem since then.

Posted on Jan 25, 2009

  • 1 Answer

SOURCE: My tytn ii touch screen is not responding

I have had the same problem but have finally got past the alignment screen by putting a new text document called welcome.not onto the memory card. At least the phone is working now, but the screen is not. HTC have sent me the phone back wanting £360 because they say it is water damaged even though it is less than 12 months old.

Posted on Mar 03, 2009

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REMOTE SEEMS TO HAVE DIED - RED LED VS GREEN


There is a very strong chance that something foreign has gotten into the touch membrane for your remote control or the link from the touch pad to the circuit board. If it is still under warranty, get it replaced. If it is not under warranty a new universal remote may be on your next shopping list. Repairs to OEM remote controls cost more than a new one.

Hope this helps...

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1 Answer

Frozen Pronto


Hi

Thankyou for the offer, but I finally fixed it.

I searched high and low on the Internet and finally found a document that led me to believe it was WIFI problem. I reset (switched off and on) the WIFI receiver, and removed/replaced the battery in the remote control and hey presto. it worked and is still working.

Daryl

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