Computer wont give a signel when i install a new cpu

Mar 6, 2018
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Hello i have a problem with cpu and i need help asap
I have asus m468t le v2 rev1 and x2 250 my old cpu when i am install new cpu x4 630 and start up a pc wont give a signel on monitor.
and i install latest bios version and still wont start up with new cpu