Fix: Check your USB cable or try a different USB port (preferably a USB 2.0 port instead of USB 3.0). Recheck Device Manager to see if the driver is active.
To download and install the software for the (a common USB-based EEPROM/Flash/BIOS programmer), follow these steps:
Click Write or Program . Ensure the Verify checkbox is enabled; this cross-checks the written data against the source file to guarantee there are no corrupt sectors. Troubleshooting Common EZP2020 Errors "Device not found" or "Programmer disconnected": Check your USB cable connection. ezp2020 programmer software download install
Find the device (often listed under "Other Devices" or as an unknown device, possibly named "USB Memory Bar" or similar).
The most common issue users encounter is the software showing a or "Programmer disconnected" error. This happens because Windows requires signed digital drivers to communicate with the programmer's USB controller chip. For Windows 10 and Windows 11 Users: Fix: Check your USB cable or try a
The EZP2020 is a popular, cost-effective tool used by electronics enthusiasts, technicians, and repair professionals for flashing, reading, and writing 24, 25, 93, and 45 series EEPROM and Flash chips. It is frequently used for BIOS repairs, router firmware updates, and TV/LCD repairs. 1. Downloading the EZP2020 Software
The first and most critical step is downloading the correct software. Unlike mainstream peripherals, EZP2020 does not have an official, centralized website maintained by a single corporation. Instead, the software is typically provided by the seller or found on third-party tech forums. Because of this, caution is paramount. Ensure the Verify checkbox is enabled; this cross-checks
Place your EEPROM or Flash chip into the programmer's ZIF (Zero Insertion Force) socket. Ensure correct orientation by aligning Pin 1 of the chip with the handle indicator on the socket. If using an SOP8 test clip, connect it properly to the adapter board.
Installation on modern Windows systems (8, 10, and 11) requires a specific workaround due to unsigned drivers. Disable Driver Signature Enforcement: Update & Security Under "Advanced startup," click Restart now After restart: Troubleshoot Advanced options Startup Settings to "Disable driver signature enforcement". Run Installer: Extract the downloaded software. installer_x64.exe (for 64-bit) or install_x86.exe (for 32-bit). If the automatic installer fails, open Device Manager , right-click the "Unknown Device," and select Update Driver Browse my computer to point to the 3. Setting Up the Software new USB SPI Programmer. Wanted working software! - EEVblog
: Windows XP, 7, 8, 10, or 11 (32-bit and 64-bit architectures). Interface : USB 2.0 or USB 3.0 type-A port. Storage : Less than 50 MB of free hard drive space.
Click . If a red warning pop-up appears warning that Windows cannot verify the publisher, click "Install this driver software anyway" .