Ub93 Driver Windows 10

Does it work? Occasionally, Microsoft pushes a basic USB-to-serial driver that recognizes the UB93’s hardware IDs (VID_067B&PID_2303 or similar). But in 80% of cases, this fails. Proceed to Method 2.


The term "UB93" most commonly refers to a USB 2.0 to DVI / HDMI / VGA External Graphics Adapter. These adapters are manufactured under various brand names (such as StarTech, Sabrent, CableCreation, or generic unbranded units). The core chipset inside is often the Fresco Logic FL2000 or a similar DisplayLink-based chip.

Primary Use: Adding an extra monitor to a PC or laptop that only has one video output.

Important Note: If "UB93" appears as an unknown device in your Device Manager with a yellow exclamation mark, Windows 10 does not have a built-in driver for it. You must install the correct driver manually. ub93 driver windows 10

Before attempting to download a driver, it is critical to confirm the hardware ID. Because "UB93" is often printed on the casing of generic USB Wi-Fi dongles, the internal chipset may vary.

Procedure to Identify Hardware ID:

Common Hardware IDs associated with UB93 adapters: Does it work

  • Disable driver signature enforcement (temporarily, for unsigned drivers):

  • Download and extract the FL2000 driver ZIP.

  • Install manually:

  • If automatic fails:

  • After install: Adapter will appear under Sound, video and game controllers as FL2000 Graphics Adapter.


  • Windows 10 does not include native signed drivers for CH340/CH341, and for older PL2303 chips, the inbox driver may cause a Code 10 error (device cannot start) due to driver deprecation. The term "UB93" most commonly refers to a USB 2

  • If it’s a common chipset (e.g., Prolific, CH340/CH341, FTDI, Realtek):
  • If no official driver is found:
  • To use unsigned drivers: