Ethernet no link detection

Dear all I have build my own custome board using STM32F407IGT6 device and used ST802RT1A as the PHY, when I start debugging and I break at main,my PC recognize the Ethernet link, but when I start the...
No st-link detected

When I tired to download the program the flash, I get the error "No st-link detected". I get the same error when I try to connect with STM32 ST-LINK Utility.Do I have a hardware problem or a driver problem...
no ST-Link detected

I compile my very first project with no error. I was wondering what to do next and I find the 'download' icone. Why not ! I clic on it and i get a message 'ST-Link not detected'. What did I miss ? ...
Ethernet no link detection

Dear all I have build my own custome board using STM32F407IGT6 device and used ST802RT1A as the PHY, when I start debugging and I break at main,my PC recognize the Ethernet link, but when I start the...
no ST-Link detected

I compile my very first project with no error. I was wondering what to do next and I find the 'download' icone. Why not ! I clic on it and i get a message 'ST-Link not detected'. What did I miss ? ...