![i recently brought an Arduino uno clone and used the ch340 driver to connect and it worked fine but after a while,it started having problems uploading code but i closed and reopened i recently brought an Arduino uno clone and used the ch340 driver to connect and it worked fine but after a while,it started having problems uploading code but i closed and reopened](https://preview.redd.it/bo3f209ln2c71.jpg?width=640&crop=smart&auto=webp&s=5ba45f4c94d4c4014ee4490150c909766b895ee4)
i recently brought an Arduino uno clone and used the ch340 driver to connect and it worked fine but after a while,it started having problems uploading code but i closed and reopened
![Arduino not recognized, COM port missing, not appearing in device manager - Installation & Troubleshooting - Arduino Forum Arduino not recognized, COM port missing, not appearing in device manager - Installation & Troubleshooting - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/3/b/d/3bdff299d5876f442174fb2ee7b00948e6b0d280.jpeg)
Arduino not recognized, COM port missing, not appearing in device manager - Installation & Troubleshooting - Arduino Forum
![dstike "v1.6" board does not detect via USB port · Issue #615 · SpacehuhnTech/esp8266_deauther · GitHub dstike "v1.6" board does not detect via USB port · Issue #615 · SpacehuhnTech/esp8266_deauther · GitHub](https://user-images.githubusercontent.com/15982510/30937345-54aca956-a38b-11e7-85a0-0c47c7614b84.png)
dstike "v1.6" board does not detect via USB port · Issue #615 · SpacehuhnTech/esp8266_deauther · GitHub
![When ever i connect my arduino uno to my pc, it says usb device not recognized and it does not appear on the com port either : r/arduino When ever i connect my arduino uno to my pc, it says usb device not recognized and it does not appear on the com port either : r/arduino](https://external-preview.redd.it/when-ever-i-connect-my-arduino-uno-to-my-pc-it-says-usb-v0-Pcmo2glfYQn_LVod38pcXCDG7ybsDEGOQMzrvna2w3k.png?width=640&crop=smart&format=pjpg&auto=webp&s=4ec74dfa157652e079ead45708501492c6d48260)
When ever i connect my arduino uno to my pc, it says usb device not recognized and it does not appear on the com port either : r/arduino
![Arduino uno not recognized on device manager (device descriptor request failed) - IDE 1.x - Arduino Forum Arduino uno not recognized on device manager (device descriptor request failed) - IDE 1.x - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/b/6/6/b66487840a411fd3310e62d9f6efbf6b0ec923d5.png)
Arduino uno not recognized on device manager (device descriptor request failed) - IDE 1.x - Arduino Forum
![Sparkfun Pro Micro "USB device not recognised" after loading sketch - Microcontrollers - Arduino Forum Sparkfun Pro Micro "USB device not recognised" after loading sketch - Microcontrollers - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/5/4/0/540c410125e7050f0a5e0203db8f0ea515001e3f.png)
Sparkfun Pro Micro "USB device not recognised" after loading sketch - Microcontrollers - Arduino Forum
![arduino uno keyestudio model windows this device not recognized error - Programming Questions - Arduino Forum arduino uno keyestudio model windows this device not recognized error - Programming Questions - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/f/b/8/fb8877a7b8a488060164bb1e3a43cd588b08af98.jpeg)