2024/04/12 · Device Descriptor: bcdUSB: 0x0200 bDeviceClass: 0xEF bDeviceSubClass: 0x02 bDeviceProtocol: 0x01 bMaxPacketSize0: 0x40 (64) idVendor: 0x045E ...
Hi there, I am having this issue connecting my own personal pcb to computer. Device manager shows USB device descriptor request failed.
![STM32メモ] USBでCDCを2つ持つ複合デバイスを作る ディスクリプタ編 ...](https://www.google.co.jp/imgres?imgurl=https://qiita-user-contents.imgix.net/https%253A%252F%252Fqiita-image-store.s3.ap-northeast-1.amazonaws.com%252F0%252F296170%252Fa7184a5b-7103-fe75-b2a8-6bb418829131.png?ixlib%3Drb-4.0.0%26auto%3Dformat%26gif-q%3D60%26q%3D75%26s%3D57eb59c272f9cf9767dcef0784c9f59e&imgrefurl=https://qiita.com/stm32p103/items/9493ecd1c65f5131452c&h=470&w=780&tbnid=W4DzApHiUxxrfM&q=Device+Descriptor&tbnh=86&tbnw=142&usg=AI4_-kQUi_FZG7o_2gjSA54hP9OpUH_LVQ&vet=1&docid=PAbOWmKRH-WOKM&hl=ja&client=fenrir&sa=X&ved=2ahUKEwjcwurtkOiFAxX3iK8BHW8NAf0Q9QF6BAgDEA4)
2021/07/10 · Open the application, check the "Everything" checkbox, and click "Scan" to see the system and device information. The Intel® SSU defaults to ...
2021/07/10 · Updating the drivers for all the USB devices and restarting. Running a "chkdsk" command prompt thing that didn't seem to do much.