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I have a recently built PC with Z170 mobo and 6700k/980Ti and a Corsair Strafe (backlit) keyboard. I had some issues with the Ethernet interface not appearing anywhere, which I solved like other people with the same specs on Ubuntu 14.04.

After I boot on Ubuntu, it takes 2-3 minutes for the keyboard to start responding. Also, if I try to adjust its brightness, it will stop responding again. I have no idea where to start looking, since I can't find similar problems online. I have a 750 Watt supply, so I don't think it has to do with high power needs.

Note: The problem with the keyboard existed from the beginning..along with the ethernet thing

UPDATE: I bought a Razer Deathadder and it also takes the same amount of time to start working on boot.

kalfasyan
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1 Answers1

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If you can reproduce the issue with another keyboard there may be another device that is causing the issue. Some good troubleshooting steps if you haven't already tried them:

  • Try a live boot CD/DVD to see if the issue still occurs when booting into another OS (or a generic Ubuntu install)
  • Unplug everything external except power, primary display, and the keyboard. This includes any USB dongles for wireless devices. Reboot and see if it still happens.
  • Also try unplugging any internal USB headers such as front facing ports or control panels.
  • Nuclear option is to start removing PCIe add-on cards.

If it is a software/driver issue it should start working after the first step. If it is a hardware issue you'll have to keep digging to find the cause.

Greg Bray
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