@Kai-Heng Feng,
i had this keyb for more than one year, and in windows I never had a problem
like this. I often switch OS rebooting the whole machine, and no problem
occures even in UEFI and/or GRUB menu at boot...
Problem occures only in Ubuntu after kernel module loading.
I started using an ex
I'm using the keyboard using Ubuntu 17.04 stock kernel with an external,
independent powered, usb 2.0. It has a 3.0 Ampere power supply, not so big for
these days, but powerful enough to avoid power problems for this keyboard.
I'm using it for a while, several reboots and power-cycles, and I have
Same problem for me using Ubuntu Zesty (17.04)
I noticed two different types of error:
The first one has error code -71, and I don't know what does it means:
Jul 15 10:15:17 achille kernel: [ 202.060450] usb 3-14: new full-speed USB
device number 14 using xhci_hcd
Jul 15 10:15:18 achille kernel:
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