Question about Toshiba Satellite 1730CDS PC Notebook

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Totaly dead after power input got shortcircuited

When I tried to replace the battery,accidently power connector pins shortcircuited while the charger was also connected.The computer is dead now.When inspecting the motherboard found some physical damages to miniature power mosfets.Replaced the same but the fault remains.Mother board is not drawing any power now.Pl help me to get my old laptop back to normal.Thank you.

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