Hyppää sisältöön
Hyppää sisältöön
Etusivulle

Ucom 704 Driver Download Free

If the driver installs but shows "This device cannot start (Code 10)" :

A: Use the Wayback Machine (web.archive.org) . Enter the original Prolific download URL. For community mirrors, try Reddit’s r/techsupport or the "Driver" section on MajorGeeks.com – both are safe.

  • Reboot if prompted.
  • Confirm the device appears under “Ports (COM & LPT)” with an assigned COM number.

    • ✅ Yes, if downloaded from:

    ❌ Avoid:

    ⚠️ Warning: The UCOM 704 driver is always free. Never pay for it. ucom 704 driver download free

    Scenario A: You have a genuine UCOM 704 or a high-quality cable.
    👉 Download: Official Prolific PL-2303 Driver (latest version) from Prolific.com.tw – Free & Safe.

    Scenario B: You have a generic eBay cable or get a Code 10 error.
    👉 Download: Legacy Prolific Driver v3.3.2.102 from a trusted tech archive – Free, but needs manual setup. If the driver installs but shows "This device

    Scenario C: You have no idea which chipset.
    👉 Download: CH340 Driver from WCH.cn (covers 80% of all no-name serial adapters) – Free & Universal.