Download and install Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing driver

Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing is a USBDevice hardware device. This Windows driver was developed by Obsidian Control Systems. In order to make sure you are downloading the exact right driver the hardware id is USB/VID_0547&PID_2131.

1. Manually install Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing driver

1. Download the setup file for Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing driver from the location below. This is the download link for the driver version 12.57.59.264 dated 2023-04-14.
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3. Start the driver installation file from a Windows account with the highest privileges (rights). If your UAC (User Access Control) is started then you will have to accept of the driver and run the setup with administrative rights.
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5. Follow the driver setup wizard, which should be pretty straightforward. The driver setup wizard will scan your PC for compatible devices and will install the driver.
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7. Shutdown and restart your PC and enjoy the new driver, as you can see it was quite smple.
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This driver is not digitally signed.

Driver rating 3.5 stars out of 56179 votes.

2. How to install Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing driver using DriverMax

The most important advantage of using DriverMax is that it will install the driver for you in the easiest possible way and it will keep each driver up to date, not just this one. How can you install a driver with DriverMax? Let's follow a few steps!

1. Start DriverMax and click on the yellow button that says ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
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3. Take a look at the list of detected driver updates. Scroll the list down until you find the Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing driver. Click the Update button.
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5. Enjoy using the updated driver! :)
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