Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing driver download and installation

Cypress EZ-USB 2121S/2125S - EEPROM missing is a USBDevice hardware device. The Windows version of this driver was developed by Obsidian Control Systems. The hardware id of this driver is USB/VID_0547&PID_2125; this string has to match your hardware.

1. Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing - install the driver manually

1. Download the driver setup file for Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing driver from the link below. This download link is for the driver version 16.6.43.737 dated 2022-08-04.
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3. Start the driver setup file from a Windows account with administrative rights. If your User Access Control (UAC) is enabled then you will have to accept of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which should be pretty easy to follow. The driver setup wizard will analyze your PC for compatible devices and will install the driver.
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7. Restart your computer and enjoy the new driver, it is as simple as that.
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This driver was not digitally signed.

This driver was rated with an average of 3.6 stars by 50756 users.

2. How to use DriverMax to install Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing driver

The most important advantage of using DriverMax is that it will setup the driver for you in the easiest possible way and it will keep each driver up to date. How can you install a driver with DriverMax? Let's see!

1. Open DriverMax and push on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your computer.
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3. Take a look at the list of available driver updates. Scroll the list down until you find the Obsidian Control Systems Cypress EZ-USB 2121S/2125S - EEPROM missing driver. Click the Update button.
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5. Finished installing the driver!
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