Your laptop computer is a delicate beast.

It can take a pounding, perhaps even a dropping, up to a certain point.

That doesnt mean its invulnerable.

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Its just that good.

I know my PSU is working because I have a tester.

Ive triple checked all my connections.

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Does anyone know what the problem might be?

(Heres hoping your work orbrowser tabsautosaved.)

When your systemdoesntturn on is when this process really gets fun.

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Well classify this as a hard bump, not a gentle dusting.

In fact, Id start with them: the fat 24-pin cable and the smaller 4/8-pin cable.

Youll also want to check your systems tiny front-panel connectors.

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Also, ensure youre checking the rear of your system.

Given how long that might take to do, Id save it as a final option.

And if you go this route, bemethodical.

Strip your system to the bare components.

Can you make it into the BIOS?

See if it’s possible for you to borrow an extra power supply to use with your core components.

Do they have any extra RAM you could try?

Will your video card work on their system?