If you have access to a functional identical board:
If the board came from a touchscreen monitor or medical device, the (not LINCS) may have released a firmware recovery tool. Search for the end product’s model number, not just the PCB. lincs mb 17514-1 rev a bios bin
Finding this file can be difficult as the manufacturer (LINCS) may no longer exist or has been absorbed by a larger conglomerate. If you have access to a functional identical
The term "BIOS BIN" refers to the binary file format containing the firmware for the Basic Input/Output System. This is the lowest-level software that initializes the hardware during the boot process before handing control over to the operating system. lincs mb 17514-1 rev a bios bin
Good luck reviving your board.
After flashing, clear CMOS and test with minimal components (RAM, PSU, display).