Strange problem with Teensy 3.1 I can not program "Teensy did not respond to a USB"

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sunsina

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Strange problem with Teensy 3.1 I can not program "Teensy did not respond to a USB"

I am using windows 10 -64 bit pro to program my Teensy 3.1,
Firstly I have installed Arduino IDE 1.6.8 + Teensyduino 1.28-beta1 (Teensyloader 1.28-beta1).
Then in the installation process Teensyduino it did not install the USB driver by and the installation app showed "Windows 10 USB Serial Driver Found".

As soon as I connect Teensy 3.1 to the Windows 10 it shows as a USB Serial Device COM3 (General Serial Device) in Device Drivers [VID.16C0/PID0483]
Even I uninstalled the driver and the windows install the same driver automatically again and again.

In fact when I connect teensy 3.1 to windows it does not blink for couple of seconds and even worse when I choose to upload program on teensy in Arduino IDE I get following message
"Teensy did not respond to a USB-based request to automatically reboot.
Please press the PROGRAM MODE BUTTON on your Teensy to upload your sketch."

While the Teensyloader is on the screen and I press the program button on the Teensyboard nothing happens and no program get uploaded.

I tried different settings such as programmer "USBap","AVRISP","Arduino ISP","Arduino as ISP",... and none of them worked.

How can I program Teensy? shall I burn bootloader again? How?.

What are the correct setting for programming Teensy 3.1 via USB, in the case if the bootloader is damaged what is the simplest way to flash the bootloader (which programmer and how to connect)?

How can I install a working driver for Teensy instead of using Windows builtin drivers?

Thanks in advance
 
Good news:
- You can't destroy the bootloader on the teensy. So it is ok, for sure.
- You don't need to select any programmer.
- It uses a driver that comes with windows, no need to install/uninstall anything,..

Try the following:
Make sure to select the Board "Teensy 3.1/3.2" from the menu. Select "Serial" as usb mode.
Compile your sketch. The LED is on PIN 13.
For the very first upload, it may be neeeded to use the following procedure:

Start Upload ("->" in Arduino-menu). Disconnect teensy. press and hold button. Connect Teensy to USB while pressing the button. Release button.
 
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I had a similar issue last evening and it was most frustrating. I had set my Teensy 3.2 up connected to a USB hub which also had my BlueTooth dongle for my keyboard and mouse (Logitech set). Once I took the Logitech bluetooth dongle out of the same usb hub and used another usb port set so that the Teensy and dongle were not together the issue went away and I could upload successfully to my Teensy. Not sure if it pertains directly here but is similar.

Best
 
I remember long ago I had something similar to this happen. I think changing the device to COM1 under device manager helped. Not sure... it was very long ago.

In addition, maybe try just installing the windows serial driver from the PJRC website. I know it shouldn't be required but still: https://www.pjrc.com/teensy/td_download.html

Finally, is there any other computer you can try this on? A Mac perhaps since there is no setup required.
 
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