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Step 8Final thoughts (updated 3/1/10)
I hope someone out there finds this instructable useful! I'm not sure how analogous this is to other brands/models, but I know that most touch screen technology is basically the same, so it shouldn't be a far stretch to do the same thing for your device.
Thank you for reading! Please take a moment to interact, as I greatly appreciate any comments, questions, ratings, or subscriptions you'd like to take the time for!
****UPDATE 8/3/09:
According to user PhilB, while he hasn't actually replaced a digitizer before, he has opened both a Handspring Visor and a Sony Clie. From what he's seen of my pictures, the insides look very similar, so replacing the digitizer on one of these units should be pretty similar to replacing it on the Palm TX.
***UPDATE 8/4/09:
I forgot to mention, you should probably try PhilB's instructable on the crazy digitizer problem first--you may not need a new digitizer at all! It didn't work for me, but after I'd installed the new touch screen, the DigiFix program was better at calibrating the new screen than the basic software.
****UPDATE 3/1/10
User stefpalmtx has noted that sometimes attempts to calibrate the screen when it's all buggy will screw up the calibration after you've replaced it with a new screen. If you install the new screen and it doesn't recognize any taps, don't despair! Try a hard reset first, that might just do the trick.
***UPDATE 5/4/10: If you've repaired your Palm using my instructable, go into the Notepad and write, "Thanks depotdevoid!" or something along those lines. Take a picture of it and post it to the comments below, and I'll send you a DIY patch!***
****UPDATE 1/1/11
User JOHNDWARD1 says that the DigiFix software didn't work for him, but a piece of software called PowerDigi did. This is pay to use software, but it does have a free trial you can use to see if it will work for you!
Thank you for reading! Please take a moment to interact, as I greatly appreciate any comments, questions, ratings, or subscriptions you'd like to take the time for!
****UPDATE 8/3/09:
According to user PhilB, while he hasn't actually replaced a digitizer before, he has opened both a Handspring Visor and a Sony Clie. From what he's seen of my pictures, the insides look very similar, so replacing the digitizer on one of these units should be pretty similar to replacing it on the Palm TX.
***UPDATE 8/4/09:
I forgot to mention, you should probably try PhilB's instructable on the crazy digitizer problem first--you may not need a new digitizer at all! It didn't work for me, but after I'd installed the new touch screen, the DigiFix program was better at calibrating the new screen than the basic software.
****UPDATE 3/1/10
User stefpalmtx has noted that sometimes attempts to calibrate the screen when it's all buggy will screw up the calibration after you've replaced it with a new screen. If you install the new screen and it doesn't recognize any taps, don't despair! Try a hard reset first, that might just do the trick.
***UPDATE 5/4/10: If you've repaired your Palm using my instructable, go into the Notepad and write, "Thanks depotdevoid!" or something along those lines. Take a picture of it and post it to the comments below, and I'll send you a DIY patch!***
****UPDATE 1/1/11
User JOHNDWARD1 says that the DigiFix software didn't work for him, but a piece of software called PowerDigi did. This is pay to use software, but it does have a free trial you can use to see if it will work for you!
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This instructable was helpful for my m500-series Palms. Both look good and work great!
If you do learn anything about what causes this or how to fix it, please let me know and I'll add it to the instructable so anyone who comes here in the future is aware of it.
Either way, contact with the LCD shouldn't matter, as the flexible top layer of the digitizer is designed to make contact with the bottom layer, closing the gap between them and activating it. If it's not an issue with your software, that leaves only three options I can think of:
- A problem with the Palm's other hardware
- Damaged/defective digitizer
- Faulty installation
If it's #1, there's probably nothing you can do about it. I doubt it's #3 as you've gone back over everything. If it's #2, you'll have to get a new one and try again.None of these sound good. Go back over all the connections one more time. If that doesn't work, you'll basically have to make a decision whether you want to spend more money on a maybe by buying another digitizer. Unless you can convince whoever sold you the original one that it was defective (which is actually my guess as to the problem).
Good luck and keep me posted!
It's probably #2 as basically there is an issue with sensitivity, ie fingers are detected but not the find stylus point.
Something new: If I open notepad, I can draw with the stylus on the right side only, BUT if I use my finger I can draw anywhere on the screen, just not very precisely..
I found out that a hard reset was obligatory so that I can perform the calibration anew (before the hard reset, taps were not reconized at all)