phenomenon
* In the 9.0.23 version of the PD，If you install the operating system of Windows，You will encounter a small bug，That is the forum said everyone in the discussion about Caton。
description
This is accompanied by Caton tone of，You open the speaker volume，You will hear a similar tone plug U disk，After investigation found the device，Or two，One is the HID keyboard device，Another is the concomitant of USB drive，The result is that both resulted in several more outrageous every once in a while，Incidentally, grab what you mouse focus。
In addition, I found，If you hang a extra USB devices, such as U disk up，The driver stabilizes =。=
Solution
Ok，The official KBIs such that，They have come up in September last year update，As long as you update to the latest version of the PD you should be able to solve the problem：）
[warning]If you do not want to upgrade to the latest version of the PD，Hehe，I understand。Then you can follow the below methods to solve this problem。[/warning]
- Select the corresponding virtual machine”virtual machine”Configuration menu ►… ► Hardware ► startup sequence
- Write the following statement in the boot tag
1devices.usb.ehc=0
Original article written by LogStudio：R0uter's Blog » HID keyboard device in Parallels Desktop 9 keeps connecting and disconnecting the solution
Reproduced Please keep the source and description link：https://www.logcg.com/archives/431.html
