I got blue screen and now my elitebook 8440p screen does not come on at all

I installed TuneUp Utility and after use and restart my system, I got blue screen. I restarted in safe mode and still had the blue screen. Now, my screen does not come on at all. When I start it up, all the lights come on. caps and num locks juices flashes three times and turns off.
I don't know what that is... problem can someone help pls?
thnx Toffby

If the lights Flash 3 times when its engine, it is a failure of RAM or problem with RAM slot on the motherboard. You can find more information here

Tags: Notebooks

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