USB\VID_1A86&PID_752D

CH345 MIDI adapter driver

USB\VID_1A86&PID_752D is the QinHeng Electronics CH345 MIDI adapter, an USB serial adapter device. It turns USB into a serial COM port. Without the chip driver no COM port appears. Get it from Windows Update or your PC maker first; the chip maker's own package is on wch-ic.com.

Device details

Hardware IDUSB\VID_1A86&PID_752D
Device nameCH345 MIDI adapter
MakerQinHeng Electronics (USB vendor ID 1A86)
Device typeUSB serial adapter
Driver guideCH340 driver for Windows
Latest official packageCH341SER.EXE (CH340/CH341 USB to serial driver) 4.0, June 24, 2026

How to install the driver for CH345 MIDI adapter

  1. Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with USB\VID_1A86&PID_752D.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Some serial chips get their driver here automatically.
  3. Check your PC maker. Enter your model or serial number on its support site and look under the device or board maker's downloads.
  4. Use the chip maker's package. CH341SER.EXE (CH340/CH341 USB to serial driver) on wch-ic.com. Our ch340 driver for windows guide explains which package fits.
  5. Restart and check. Open Ports (COM & LPT) in Device Manager and note the COM number.

Other QinHeng usb serial adapter IDs

Device names: The Linux USB ID list, public data. We never host driver files: downloads come from the maker.