Once the PC restarts, select > Advanced options > Startup Settings > Restart .
Sometimes Windows 10 insists on using its generic, broken driver. This method forces it to use the correct one.
If you’ve followed this entire guide and still face issues, your EZP2019 hardware might be defective (common with cheap clones). Test it on a Windows 7 PC or a Linux live USB (using flashrom ) to verify. If it works there, the problem is purely driver-related on your Windows 10 installation.
Press Win + X and select .
Click and navigate to the ../EZP2019/driver folder on your computer.
Windows will now boot normally, but with the ability to install unsigned drivers.
Installing the EZP2019+ programmer on Windows 10 is a two-part process. Because the drivers are often unsigned, Windows 10 will block the installation by default, requiring you to temporarily disable "Driver Signature Enforcement" before running the setup. Step 1: Disable Driver Signature Enforcement how to install ezp2019 driver windows 10
Right-click the button and select Device Manager .
If the installation is successful, you can skip the more advanced methods. However, if you see an error related to driver signature enforcement, proceed to Method 2.
| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | "Device descriptor request failed" | Damaged USB cable or port | Try a different USB port (USB 2.0 preferred over USB 3.0). Use a high-quality cable. | | "Driver is intended for a different platform" | 64-bit driver on 32-bit Windows (or vice versa) | Ensure you downloaded the correct driver version for your Win10 build. | | "Cannot open programmer. Error: Access denied" | Another program is using the COM port | Close all other software (Arduino IDE, Serial monitors). Reboot PC. | | "Error: IC not responding" | Driver works, but voltage issue | The EZP2019 might be in the wrong voltage mode (5V vs 3.3V). Switch to 3.3V for most BIOS chips. | | "Code 10: Device cannot start" | Corrupt driver or power issue | Uninstall device from Device Manager. Disable USB selective suspend in Power Options. Reinstall driver via Method 3. | Once the PC restarts, select > Advanced options
Once the menu appears, press or F7 to "Disable driver signature enforcement". Your PC will restart normally, but now you can install unsigned drivers. Step 2: Manually Update via Device Manager Connect your EZP2019 to your computer. Right-click the Start button and select Device Manager .
Your computer will reboot normally, but will now allow you to install the EZP2019 driver. Step 2: Install the EZP2019 Driver
Look through the list for an item with a yellow exclamation mark. It will usually be listed under as Unknown device or EZP2019 . Right-click on the EZP2019 device and select Update driver . If you’ve followed this entire guide and still
Comprehensive Guide: How to Install EZP2019 / EZP2019+ Driver on Windows 10
If the installer doesn’t automatically match: