Connectiion error

I am using STM32H743XI(we made board)

However, an error occurred when connecting using the existing ST Link v2 product.

An error occurred (No debug probe found connected to the USB port Session aborted)

IAR 8.40.1 using

The firmware(ST-Link) was also upgraded.

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Guru

Has it ever worked on this board? Assume we know nothing about the specifics of your implementation.

Use the STM32 Cube Programmer Tool when doing initial tests.

Check SWDIO, SWCLK, NRST, VTARGET and Ground connectivity. If the part doesn't start/function you aren't going to be able to connect to it.

Check supplies, and VCAP voltages and capacitors.

Check the state of NRST

Try with BOOT0 pulled HIGH

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Associate II

okay I see

thanks

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