Question about Palm Z22 Handheld

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Touch Screen Fails To Sense Stylus

Most of the screen area is erratically sensing the stylus, if at all.  The lower portion containing the icons and spelling pad area does not detect any touch at all.

 

I have reset the unit and the screen is stuck at the prompt asking me to hit the targets; one in the upper left corner and the other in the lower right corner.  It just goes back and forth between the two targets.

 

I read a repair tip for this on older units.  I have partially opened the case (the top end of the case will not release from the body) and blew a can of air into the compnent board areas.  This did not correct the problem.

 

Thanks for your help.

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  • donguy Nov 10, 2007

    this is exactly my problem. I have been using a pen and paper agenda since August!

  • WML6067 Jan 14, 2008

    I have the same problem. Anyone have an idea on how to fix this problem.

  • Anonymous Apr 08, 2008

    Touchscreen of my palm z22 handheld is not sensing stylus. Menu is not opened. When Touchscreen in preferences is opened even target shifting is not done. Once tapping each target was easy, but now it is not working. So I could not Hotsyncronise to back up my data before hard reset. please notify me if solution is found.

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  • 16 Answers

I had the same problem and tried several of the solutions here, from cleaning around the edges of the screen, to soft and hard resets. They worked for a time, but eventually, the pointer didn't register at all. Before you throw out your unit, look on Ebay for the replacement digitizer. There are or were many when I looked, ranging from about $8 to considerably more. None of the low cost ones came with instructions, but did come with tools. Higher priced offerings were for having them replace the digitizer for you. I ordered the low priced one and figured I could figure it out. The tools they send are two tiny screw drivers with special tips and a small plastic device to pry the sections apart. If you want to do it yourself, I will be happy to explain what I did. Remember to be really gentle when you do every step. First use the pry tool on the place where the cord plugs in to connect the device to the usb slot on your computer. It is tight, but gently pry out the small black rectangle. You will see two tiny screws inside. Remove those, carefully with one of the screwdrivers that come with the digitizer and set them someplace save. These two screws or bolts have nuts, that you can't really see until the next step. Watch for them if they fall out. The next step is to use the pry tool around the edges of the white plastic face of the Z22 and separate it from the back. I would lay it on the back while you do this. There is a small u-shaped piece that is part of the reset button and it fits on a peg on the back part of the device. Carefully ease the front and back apart. There are 4 small screws that still need to be removed. Save them to replace when done. Remove the innards of the device, but Don't totally separate the sections. There are foil connectors that attach the parts and they need to be intact. Gently ease the digitizer from the white plastic face. It will have another white plastic box on it's back side. Use the pry device to separate the glass digitizer from that white box. You will see there is a gold striped foil connector on your new digitizer, about midway up the side of the device. Find the one that is connected to the old digitizer and ease it out of the slot. Remove the old digitizer. Slide the new connector into the slot. Position the new glass digitizer correctly over the white plastic box and place the innards face down into the white face of the Z22. Replace the 4 screws. Gently close the case, laying the front onto the back, so you don't displace the reset button part. Snap together and replace the two tiny screws into the section near the power cord connector. (Hopefully you didn't drop the little nuts out, during the process. If you did, you may have to back track until you can see the small white boxes that they slip into, in that location. Email me if you have problems with this. It sounds a lot worse than it was. When I finished, I was really disappointed, because it didn't turn on, the whole screen was black, which was worse than when I started. But, after I plugged it in, and let it charge about 3 hours, it worked perfectly! I am so excited! You can do this if you are patient and gentle.

If you partially opened the case, you may have had the restart button piece shift out of place. You need the tools that come with the new digitizer, or a very delicate tool to pry out the rectangle,around the power cord connection, and remove two tiny screws, before you can separate the front and back. The tool they send to do that is sort of soft plastic, tiny spatula shaped piece which can squeeze into the grooves and gently separate that piece and the front from the back.

Posted on Aug 19, 2010

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Posted on Jan 02, 2017

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