[SOLVED] Unable to load J-Link drivers in Windows 10

DUrbano · Jun 15th 2016, 5:08pm

Hi,
this is my first time I write in this forum and I hope someone can help me with a big problem I'm facing in the last days. I have a Nordic nRF52 DK with an on-board J-Link debugger; I have installed Keil and nRF Tools (in which there is the SEGGER software pack 5.12f) but in device management (my PC has Windows 10 64bit) the J-Link has always a question mark becuase it cannot load the right drivers. I tried to install the Keil with the latest version of SEGGER software pack, but nothing has changed. I tried on another PC and all works perfectly (J-Link gets the right drivers without problems) so I'm wondering how find the problem on my PC; is it possible to get a log or something like this to learn where is the problem ? Or anyone have a problem like mine ?
Regards

SEGGER - Niklas · Jun 15th 2016, 5:10pm

Hi,

this is most likely not a general issue with J-Link.
A lot of customers use Windows 10, and we also have a Windows 10 Test machine here, where it works flawlessly.

Could you please give J-Link Commander a try?
J-Link commander is part of the J-Link software package, which is available free of charge here . (Please use our installer for testing.)

Start J-Link Commander (jlink.exe)
Type "connect" in order to start a debug session
Type in the target device name if asked (Or type "?" for a target selection Dialog)
Choose the correct target interface (JTAG/SWD/etc..)
Use a valid speed (Default: 4000kHz, try 100-500 if default does not work)
[JTAG only]JTAG conf can be default(most of the times)
You should now be successfully connected.

If anything fails, could you post a screenshot of the complete session?

Best regards,
Niklas

DUrbano · Jun 16th 2016, 9:52am

Thanks Niklas for your help; I have disinstalled anything related to SEGGER or Keil, downloaded the SEGGER sw pack as you told me and when I connected the board to the PC this is what I see in device management:

so I started J-Link Commander:

but when I clik on NO this is what happens:

As you can see I can't load the drivers on my J-Link. Could you tell me how solve the problem ?
Regards

SEGGER - Niklas · Jun 16th 2016, 1:32pm

Hi,

Could you please check if there is an usb.inf in your %systemroot%\inf folder?
Context:

It seems that the usb.inf is missing in your %systemroot%\inf folder. The J-Link is a composite device containing multiple interfaces. In order to work with it on Windows, Windows loads a composite Device driver.
The information for this driver are in the usb.inf. Once the composite device driver is installed all other interfaces of the J-Link will be installed automatically.

In order to fix this:

Please copy the usb.inf from the following location: %systemroot%\System32\DriverStore\FileRepository\usb.inf_*
[eg. C:\Windows\System32\DriverStore\FileRepository\usb.inf_amd64_neutral_42d7284868af1f40]
to %systemroot%\inf
Disconnect the J-Link and re-connect it once again.
After that Windows should recognize the J-Link as a USB composite device and will install all the drivers for the J-Link interfaces.

Please note: This seems to be a generic problem of Windows. Neither SEGGER nor other companies which are using SEGGER J-Link technology are responsible for this error or causing this error. This error also occurs on Windows PCs where no J-Link has ever been connected to it nor its driver has been installed on it.

Best regards,
Niklas

DUrbano · Jun 17th 2016, 9:36am

Dear Niklas,
while waiting your answer I have disinstalled all and check for a previous version of SEGGEER sw pack; I found the 5.00 version (the last version is 5.12g) and installed it and all seems to work perfectly. So I want to thank you for your patiance and support.
Regards

SEGGER - Niklas · Jun 17th 2016, 9:52am

Hi,

Good to hear that you are up and running!

Best regards,
Niklas

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