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Amontec JTAGkey Driver Installation on Windows 7

Created on: 18 January 2013

How to install the drivers for the Amontec JTAGkey on a Windows 7 computer. The JTAGkey is a USB JTAG tool from the Amontec company.

Download the JTAGkey Driver

To get the driver, go the Amontec page for the JTAGkey and then scroll down to, or use your browser to search for Amontec JTAG key Drivers for Windows and Linux.

Download the Amontec JTAGkey drivers for Windows, the file will be named something like amontec-jtagkey-driver-d2xx-20091124.zip

Extract the contents of the downloaded zipped file to a suitable folder on your computer.

Installing the JTAGkey Drivers in Windows 7

1. Plug the JTAGkey into a spare USB port

After plugging the Amontec JTAGkey into the Windows 7 computer, Windows will try to find a driver, but fail. Clicking the failure notice will bring up this dialog box:

Amontec driver installation failure
Device Driver Installation Fails

2. Open Device Manger

Close the above dialog box and open the Windows Device Manager.

Click the Windows Start button, right-click Computer and the click Properties.

Starting Windows Device Manager
Starting Device Manager

Now click Device Manager in the dialog box that pops up.

Click Device Manager
Click Device Manager

The Device Manager will show that the JTAGkey was found, but driver installation failed.

Failed driver installation
JTAGkey Found, Driver Installation Failed

3. Install the Drivers

Right-click one of the Amontec JTAGkey entries in Device Manager and then click Update Driver Software... on the menu that pops up.

Choose to Update Driver Software
Choose to Update Driver Software

In the next dialog box, browse for driver software.

Choose to browse the computer for driver software
Choose to Browse the Computer for Driver Software

Click the Browse... button to select the folder from the downloaded Amontec JTAGkey drivers.

Click the browse button
Click the Browse Button to Navigate to the Drivers

Navigate to and then select the driver folder. Click the OK button. Click the Next button and the drivers will start installing.

Select the driver folder
Select the Driver Folder

4. Install the Drivers for the Second Channel

After installation, a success message will be displayed. Now click on the second Amontec JTAGkey entry in Device manager and repeat the device installation for this entry as done above.