View source for Getting started/STM32MP1 boards/STM32MP157x-DK2/Let's start/Populate the target and boot the image

==Populate the SDCard==
* Set the boot switches (located at the back of the board) to the OFF position.
[[File: STM32MP157C-DK2_jumper_flash.jpg|frame|center|link=|boot switches position to flash the board]]
* Connect the PC to the CN7/USB_OTG port of the STM32MP157x-DK2 board through the USB Type A to Type C cable.
* Power on the board.
* Press the reset button to reset the board.
* Launch '''STM32CubeProgrammer''' to get the GUI:

[[File:STM32CubePro GUI 210.png|800px|center|STM32CubeProgrammer GUI]]

* On the right of the window, select USB (instead of STLINK, set by default) in the connection picklist and click the "Refresh" button. The serial number is displayed if the USB is detected. Then click "Connect".

[[File:STM32CubePro GUI 210 SelectUSB.png|800px|center|Select USB for connection with board]]


* Select the "Open File" tab and choose the "FlashLayout_sdcard_stm32mp157{{Highlight|x}}-dk2-optee.tsv" file in the Starter Package installation folder ("$HOME/STM32MPU_workspace/STM32MP1-Ecosystem-v4.0.0/Starter-Package/{{EcosystemRelease/Package | revision=latest| package=Images package | request=path}}/flashlayout_st-image-weston/optee")

* Fill the "Binaries Path" by browsing to the $[Starter_Pack_Path]/images/stm32mp1 folder.

[[File:STM32CubePro GUI 210 FileSelectedOptee.png|800px|center|open .tsv and fill Binaries Path]]

* Click "Download" to start the flashing process. 
* A progress bar indicates the process progress until a completion pop-up message is displayed.