Laptop screen cracked; shorted out motherboard?

[Olive72]

So the screen was cracked on my HP Envy Notebook. A touch-screen. I took the functioning laptop to the local computer repair place and they returned it four days later saying the cost of repairing the screen wasn't worth it. I asked if I could attach a external monitor and still use it and was assured that I could do this. When I arrived home, after buying a monitor, the laptop would not power on. Nothing, zilch, not even a beep. I took it back to the computer repair store and a week later was told that due to the screen being broken, "the display cable shorted out the motherboard". It was working when I brough it in, it was a door-stop when I got it back. My question is, is it possible that, due to a cracked screen, "the display cable shorted out the motherboard"? 

Thank you for your responses

[sandytechy20]

@Olive72

Welcome to HP support community.

This seems to be a hardware issue.

I request you to talk to HP support.

They might have multiple options to help you with this.

1) Click on this link - www.hp.com/contacthp/

2) Click on "Continue as guest".

3) Enter the serial of your device.

4) Select the country from the drop-down.

5) Click on "Show Options".

Fill the web-form. A case number and phone number will now populate for you.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.

Cheers.