Plug the USB sound card directly into a motherboard USB port (do not use a USB hub).
Click "Update." Once finished, unplug and then re-plug the USB sound card to complete the "power cycle". Troubleshooting & Official Sources hyperx_cloud_ii_firmware_updater_rev_0010 .exe file
It does exactly what it promises: it fixes the audio. However, the requirement for a manual firmware update to fix a hardware production change is frustrating for consumers. If your Cloud II sounds quiet, this file is a lifesaver. If your headset is already loud, ignore this file to avoid unnecessary risk. Plug the USB sound card directly into a
Ensure the sound card is plugged directly into a motherboard USB port , not a USB hub. If the error persists, try uninstalling the device in Device Manager and reconnecting it. However, the requirement for a manual firmware update
Like any firmware flasher, if you unplug the headset or lose power during the split-second write process, the USB dongle will be "bricked" (rendered unusable). You will then have to deal with HyperX support for a replacement dongle.