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

Cypress EZ-USB 2131Q/2131S/2135S - EEPROM missing is a USBDevice hardware device. The developer of this driver was Obsidian Control Systems. The hardware id of this driver is USB/VID_0547&PID_2131.

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

1. Download the driver 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 16.47.9.686 dated 2022-02-07.
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3. Run the driver setup file from a Windows account with administrative rights. If your UAC (User Access Control) is running then you will have to accept of the driver and run the setup with administrative rights.
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5. Follow the driver installation wizard, which should be quite easy to follow. The driver installation wizard will analyze your PC for compatible devices and will install the driver.
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7. Shutdown and restart your PC and enjoy the updated driver, as you can see it was quite smple.
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Obsidian Control Systems applied a digital signature to this driver.
Download size of the driver: 2625983 bytes (2.50 MB)
This driver received an average rating of 4.1 stars out of 74633 votes.
This driver will work for the following versions of Windows:

• This driver works on Windows 2000 64 bits
• This driver works on Windows Server 2003 64 bits
• This driver works on Windows XP 64 bits
• This driver works on Windows Vista 64 bits
• This driver works on Windows 7 64 bits
• This driver works on Windows 8 64 bits
• This driver works on Windows 8.1 64 bits
• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

2. The easy way: using DriverMax to install Obsidian Control Systems Cypress EZ-USB 2131Q/2131S/2135S - 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 easy can you install a driver using DriverMax? Let's see!

1. Start DriverMax and click on the yellow button that says ~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. 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. That's it, you installed your first driver!
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