其中一段話
"Check the settings>USB to see if all "devices" are active. (make sure to click the "refresh" button) When the mainboard or watchman board is not active it can be a loose power connection to the HMD. Re-seating the cable on the HMD side can improve things. If you see a specific device that stays greyed out (even after a vive reboot or two) you at least have a culprit to refer to with the RMA"