Hi Kunal,
What operating system do you work with?
officially we support:
Host operating systems:
Microsoft® Windows® 7/8/10
Ubuntu Linux® (64 bit)
Mac OS X 10.11 and later
Please refer User guide "16.9 Using and troubleshooting LPC-Link2 " for trouble shooting:
https://www.nxp.com/docs/en/user-guide/MCUXpresso_IDE_User_Guide.pdf
Refer this discussion to update board interface in case on board interface firmware is damaged.
LPC54608 board doesnt see any debug probes
Have a great day,
Jennie Zhang
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