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  1.    #1  
    A co-worker of mine gave me a touchpad he couldn't fix. He bought it for $50 because the seller said it was bricked.
    The original owner said he replaced the battery so I am thinking that it is a hardware problem. Maybe he broke a connection or something?
    CM9 was installed.

    Here are the symptoms:
    -When you turn it on you can see that the backlight is on even though it is a dark screen.
    -You can only turn off the backlight by holding down the Power and the Home button.
    -Every once in a while you get a vertical column of multi-color static off center to the right.
    -Holding down the Power and Volume Up buttons doesn't have any effect

    I took the TP completely apart, double checked all the connections when I put it back together.
    I got webOS Doctor to see it but after 8% of its process it gives me the message "We were unable to reset your device"

    Anyone ever see anything like this?

    If it is a software problem how do I unbrick it?
    If it is a hardware problem which part needs replacing?
    Attached Images Attached Images
  2. #2  
    Heya... Welcome to the forums.

    webOS Internals is a great source.

    Here's a page from their wiki that will help: How To Recover - WebOS Internals


    Lumia 1520.3 (the Beastly Unicorn): Windows 10 Mobile

    Windows Central Senior Ambassador

    Mobile Nations Devotee
  3. #3  
    Looks hardware to me. Either damaged screen or loose/damaged ribbon.
  4. #4  
    Could it not be a corrupted drive from improper CM removal?
    Lumia 1520.3 (the Beastly Unicorn): Windows 10 Mobile

    Windows Central Senior Ambassador

    Mobile Nations Devotee
  5.    #5  
    Hey, thanks for helping with my problem.

    I want to add another symptom. When I charge it the back light always turns on. I can only turn it off by holding the power and the home button down but after a few seconds the back light turns back on.

    I don't know if that helps the diagnosis.
  6. #6  
    Holding home and power reboots the device, so that's normal. If you can, try to go into USB Recovery mode, then shell in with Novaterm. If the device is still operational, you'll see a large USB logo on the screen.
  7.    #7  
    Quote Originally Posted by GMMan View Post
    Holding home and power reboots the device, so that's normal. If you can, try to go into USB Recovery mode, then shell in with Novaterm. If the device is still operational, you'll see a large USB logo on the screen.
    Shell in with Novaterm? How do I do that?
  8. #8  
    Quote Originally Posted by GMMan View Post
    Looks hardware to me. Either damaged screen or loose/damaged ribbon.
    I think it is the ribbon cable that connects to the display chip... not the touchpanel ribbon...

    One or more of the wires are pulled out or broken...

    it is repairable, most users get a new screen to test first


    Quote Originally Posted by Jim Savage View Post
    Shell in with Novaterm? How do I do that?
    Many ways (novacom unv. installer), woqi, webOS 3.0.5 SDK.... one you have it installed novacom is a method to talk to the device (even bootie, the boot loader will talk to novaterm)....

    if you power off, (home and power), hold on to the volume + (up), if you can novaterm then bootie is available... if not could also mean a partition issue, with the boot logo image corrupt, and bootie also corrupt?

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