Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing - two ways of downloading and installing the driver

Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing is a USBDevice hardware device. This driver was developed by Obsidian Control Systems. The hardware id of this driver is USB/VID_0547&PID_2131; this string has to match your hardware.

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

1. You can download from the link below the driver installer file for the Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing driver. The archive contains version 12.57.59.264 dated 2023-04-14 of the driver.
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3. Start the driver installer file from a user account with administrative rights. If your UAC (User Access Control) is running please confirm the installation of the driver and run the setup with administrative rights.
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5. Follow the driver setup wizard, which will guide you; it should be quite easy to follow. The driver setup wizard will scan your PC and will install the right driver.
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7. When the operation finishes shutdown and restart your PC in order to use the updated driver. As you can see it was quite smple to install a Windows driver!
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This driver was not digitally signed.
Driver file size: 0 bytes (0 B)
Driver rating 3.1 stars out of 71856 votes.

2. Installing the Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing driver using DriverMax: the easy way

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. How can you install a driver with DriverMax? Let's take a look!

1. Start DriverMax and push on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your PC.
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3. Take a look at the list of driver updates. Search the list until you locate 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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