My board is in BOOTLOADER state，what should I do if I want to use MCUXPresso LinkServer？For Example， what file should i put in the BOOTLOADER?
and the IDE always in the state as follow。
Can you tell what board you are using?
If it is a FRDM board with OpenSDA, maybe you need to revover your board, see Recovering OpenSDA Boards with Windows 10 | MCU on Eclipse
I hope this helps,