![Amazon.com: LINKUP USB 2.0 to USB 3.0/3.1 Upgrade Adapter, Noise Reduction, Shielded, 26 cm, Backed by 1-Year Warranty : Electronics Amazon.com: LINKUP USB 2.0 to USB 3.0/3.1 Upgrade Adapter, Noise Reduction, Shielded, 26 cm, Backed by 1-Year Warranty : Electronics](https://m.media-amazon.com/images/I/71uqvy1DUDL.jpg)
Amazon.com: LINKUP USB 2.0 to USB 3.0/3.1 Upgrade Adapter, Noise Reduction, Shielded, 26 cm, Backed by 1-Year Warranty : Electronics
![I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers](https://preview.redd.it/u7goehyu4dt71.jpg?width=640&crop=smart&auto=webp&s=f916a7efc64e67375851b62dc9d69e4b0ef5417e)
I brought this board from Amazon.It blinks when I plug into my laptop.But I couldn't work with it. It shows as "USB 2.0-Ser!" in the device manager. And I couldn't update drivers
![USB To RS232 Serial Adapter 1.2M USB To Serial Converter DB9 9 Pin Port RS232 Cable for PAD, Serial Modems, Router, GPS, Firmware - Walmart.com USB To RS232 Serial Adapter 1.2M USB To Serial Converter DB9 9 Pin Port RS232 Cable for PAD, Serial Modems, Router, GPS, Firmware - Walmart.com](https://i5.walmartimages.com/seo/USB-To-RS232-Serial-Adapter-1-2M-USB-To-Serial-Converter-DB9-9-Pin-Port-RS232-Cable-for-PAD-Serial-Modems-Router-GPS-Firmware-Update_0b155454-76c8-4bb3-9604-7b258a00622e.d575dd0668da9840f6717a1e6c29df5d.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)