=========================== USB Port4 =========================== Connection Status : 0x02 (Device failed enumeration) Port Chain : 2-4 Properties : 0x01 IsUserConnectable : yes PortIsDebugCapable : no PortHasMultiCompanions : no PortConnectorIsTypeC : no ConnectionIndex : 0x04 (Port 4) CompanionIndex : 0 CompanionHubSymLnk : USB#ROOT_HUB30#4&15fdb2bd&0&0#{f18a0e88-c30c-11d0-8815-00a0c906bed8} CompanionPortNumber : 0x10 (Port 16) -> CompanionPortChain : 2-16 Device Manager Problem : 43 (CM_PROB_FAILED_POST_START) Used Endpoints : 0 ======================== USB Device ======================== +++++++++++++++++ Device Information ++++++++++++++++++ Device Description : 未知 USB 设备(设备描述符请求失败) Device ID : USB\VID_0000&PID_0002\5&2630A0C1&0&4 Hardware IDs : USB\DEVICE_DESCRIPTOR_FAILURE Driver KeyName : {36fc9e60-c465-11cf-8056-444553540000}\0101 (GUID_DEVCLASS_USB) Driver Inf : C:\Windows\inf\usb.inf Legacy BusType : PNPBus Class : USB Class GUID : {36fc9e60-c465-11cf-8056-444553540000} (GUID_DEVCLASS_USB) Enumerator : USB PDO : \Device\USBPDO-3 Location Info : Port_#0004.Hub_#0002 Manufacturer Info : (标准 USB 主控制器) Capabilities : 0x64 (Removable, SilentInstall, RawDeviceOK) Status : 0x01806400 (DN_HAS_PROBLEM, DN_DISABLEABLE, DN_REMOVABLE, DN_NT_ENUMERATOR, DN_NT_DRIVER) Problem Code : 43 (CM_PROB_FAILED_POST_START) Address : 4 HcDisableSelectiveSuspend: 0 EnableSelectiveSuspend : 0 SelectiveSuspendEnabled : 0 EnhancedPowerMgmtEnabled : 0 IdleInWorkingState : 0 WakeFromSleepState : 0 Power State : D3 (supported: D0, D3, wake from D0) ---------------- Connection Information --------------- Connection Index : 0x04 (Port 4) Connection Status : 0x02 (DeviceFailedEnumeration) Current Config Value : 0x00 (Configuration 0) Device Address : 0x00 (0) Is Hub : 0x00 (no) Device Bus Speed : 0x02 (High-Speed) Number Of Open Pipes : 0x00 (0 pipes to data endpoints) Data (HexDump) : 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 02 ................ 00 00 00 ... --------------- Connection Information V2 ------------- Connection Index : 0x04 (4) Length : 0x10 (16 bytes) SupportedUsbProtocols : 0x03 Usb110 : 1 (yes, port supports USB 1.1) Usb200 : 1 (yes, port supports USB 2.0) Usb300 : 0 (no, port not supports USB 3.0) -> but Companion Port 2-16 does ReservedMBZ : 0x00 Flags : 0x00 DevIsOpAtSsOrHigher : 0 (Device is not operating at SuperSpeed or higher) DevIsSsCapOrHigher : 0 (Device is not SuperSpeed capable or higher) DevIsOpAtSsPlusOrHigher : 0 (Device is not operating at SuperSpeedPlus or higher) DevIsSsPlusCapOrHigher : 0 (Device is not SuperSpeedPlus capable or higher) ReservedMBZ : 0x00 Data (HexDump) : 04 00 00 00 10 00 00 00 03 00 00 00 00 00 00 00 ................ ---------------------- Device Descriptor ---------------------- bLength : 0x00 (0 bytes) ----------------- Device Qualifier Descriptor ----------------- bLength : 0x0A (10 bytes) bDescriptorType : 0x06 (Device_qualifier Descriptor) bcdUSB : 0x201 (USB Version 2.01) bDeviceClass : 0x02 (Communications and CDC Control) bDeviceSubClass : 0x00 bDeviceProtocol : 0x00 (No class specific protocol required) bMaxPacketSize0 : 0x40 (64 Bytes) bNumConfigurations : 0x02 (2 other-speed configurations) bReserved : 0x00 Data (HexDump) : 0A 06 01 02 02 00 00 40 02 00 .......@.. -------------------- String Descriptors ------------------- String descriptors are not available (because the device has problem code CM_PROB_FAILED_POST_START)