![]() I use this for my fiscal printer at work, which is so important! Any support would be greatly appreciated. ![]() Did I mistakenly press any keyboard shortcuts to turn them off? I didn't change my Windows settings or install any application when this thing stopped working, so I'm really at a loss as what it could be. File name: qvsserialtousb.exe Version: 1.4.6 File size: 6. It acts as if the cable/device is dead - but it's not, I've tested it on my other laptop.įurthermore, the computer does make a sound when I plug it in, but it just doesn't show on Device Manager. Below you can download qvs serial to usb driver for Windows. I tried uninstalling and reinstalling every Port and USB on Device Manager - nothing. I tried Add New Hardware and installing the (new) Prolific drivers - nothing. ![]() The Prolific USB-to-Serial Comm Port remains greyed out. It's as if I mistakenly turned off my Comm Ports or When I plug it in, I don't see any changes in the Device Manager. Works with Windows 98, 98SE, ME, 2000, XP, Vista, 7, 8. Usb To Serial Driver free download - VIA USB 2. It provides speed of up to 12Mbps and full duplex capabilities. Supports all RS232 serial devices such as printers, modems, barcode scanner, PDA, and digital cameras. I've been using my USB-to-Serial adapter for years until it suddenly stopped working yesterday. USB to DB9 Male RS232 Serial Adaptor Cable Connects any serial device with a DB9 female port to your computer USB port.
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