computer screen is empty

Hello

I have a Lenovo K210 desktop idea; It has closed about 2 days, there is a blank screen (no starts)

My son said hitting the side of the tower with a leg of Chair by accident and it became dark after.

What can I do about it? Thank you very much

Frank

Many thanks, bro.

I removed and re - insert the sticks of memory and motherboard and the machine works perfectly now.

Tags: Lenovo Desktops

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