Question Motherboard stop working after updating BIOS

Jan 20, 2021
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Hello,
i have Intel Desktop Board DH87MC it was working fine, i try in update BIOS after downloading a newer version from internet but my PC stop working after that.
When i turn the pc on the power supply functioning normally but no signal on the screen.
i search a lot to fix the problem and i tried many solutions but non of them worked.
An expert told me that i should make flashing for BIOS but i don't know how, so please can some body help me ?
Thanks in advance :)