Quanta Microsystems, Inc. QMI EM503 11n Wireless LAN Card - two ways of downloading and installing the driver

QMI EM503 11n Wireless LAN Card is a Network Adapters hardware device. This Windows driver was developed by Quanta Microsystems, Inc.. The hardware id of this driver is PCI/VEN_1814&DEV_0681&SUBSYS_05031A32; this string has to match your hardware.

1. Quanta Microsystems, Inc. QMI EM503 11n Wireless LAN Card driver - how to install it manually

1. Download the setup file for Quanta Microsystems, Inc. QMI EM503 11n Wireless LAN Card driver from the location below. This is the download link for the driver version 4.00.03.0000 released on 2012-06-25.
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3. Start the driver installation file from a Windows account with administrative rights. If your User Access Control (UAC) is running then you will have to confirm the installation of the driver and run the setup with administrative rights.
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5. Follow the driver installation wizard, which should be pretty straightforward. 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, it is as simple as that.
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This driver is digitally signed by Quanta Microsystems, Inc..
Size of this driver: 963642 bytes (941.06 KB)
This driver was rated with an average of 4.8 stars by 55222 users.
This driver is compatible with the following versions of Windows:

• 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. Installing the Quanta Microsystems, Inc. QMI EM503 11n Wireless LAN Card 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 using DriverMax? Let's take a look!

1. Open DriverMax and press 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 available driver updates. Search the list until you find the Quanta Microsystems, Inc. QMI EM503 11n Wireless LAN Card driver. Click on Update.
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5. That's it, you installed your first driver!
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