0

ItsyBitsy not entering bootloader Mode - Windows does not re
Moderators: adafruit_support_bill, adafruit

Please be positive and constructive with your questions and comments.

ItsyBitsy not entering bootloader Mode - Windows does not re

by MurdochRyan on Tue Jun 15, 2021 12:25 pm

I recently purchased 10 ItsyBitsy 32u4 5V 16mhz devices.
After following the setup guide here: https://learn.adafruit.com/introducting-itsy-bitsy-32u4
2 of the 10 units do not respond when connected, windows does not recognize the devices.

I found a posting that has my exact symptoms and the result there was to contact support via email.
The forum post: viewtopic.php?f=62&t=179347

Device manager shows the 2 as “Atm32U4DFU” under Other Devices. The device LEDs also do not flash like they should.
For the other 8, they connect under Ports (COM & LPT), USB Serial Device (COM6). LED flashes while connected.
Double pressing the reset button didn’t help, neither has holding it for 2 seconds.
I have tried manually assigning them as serial devices with both windows usbser drivers and specifying the devices as ItsyBitsy (800E:00) from your driver package, no luck here either.

Throughout testing and setup I used the same Micro USB cable for all devices and tried different cables with the 2 non functional devices with no luck.
Is there anything else I should try before considering these as DOA?

MurdochRyan
 
Posts: 2
Joined: Tue Jun 15, 2021 12:23 pm

Re: ItsyBitsy not entering bootloader Mode - Windows does no

by adafruit_support_carter on Tue Jun 15, 2021 1:26 pm

When you double pressed the reset button, the red LED still did nothing?

Also try this with one that works to verify the red LED behavior. It should pulse for a bit.

adafruit_support_carter
 
Posts: 20602
Joined: Tue Nov 29, 2016 2:45 pm

Re: ItsyBitsy not entering bootloader Mode - Windows does no

by MurdochRyan on Tue Jun 15, 2021 1:31 pm

Yes, double pressing the reset button didn’t help.
On the 2 nonfunctional devices, the LED does not light up at all.
On the functional devices, the LED starts blinking right as it's plugged in and is properly identified in device manager.

MurdochRyan
 
Posts: 2
Joined: Tue Jun 15, 2021 12:23 pm

Re: ItsyBitsy not entering bootloader Mode - Windows does no

by adafruit_support_carter on Tue Jun 15, 2021 1:33 pm

OK, let's replace them. Send an email to support@adafruit.com with a link to this thread and your order number and they can send you 2 new Itsy 32u4's.

adafruit_support_carter
 
Posts: 20602
Joined: Tue Nov 29, 2016 2:45 pm

Re: ItsyBitsy not entering bootloader Mode - Windows does no

by adafruit_support_carter on Wed Jun 16, 2021 2:24 pm

Hey @MurdochRyan , just some info that'll help us - where did you order the boards from? Thanks.

adafruit_support_carter
 
Posts: 20602
Joined: Tue Nov 29, 2016 2:45 pm

Please be positive and constructive with your questions and comments.


cron