So stupid me took the panels off my pc. And dusted a few fan covers and the top of my graphics card and psu with a microfibre cloth. I disconnected the power lead before this. Now it won't power up. It powers on for like a second turn shuts itself off. The fans all spin and all leds light up and all normal lights come on but it doesn't power on for any more than a second.

Any help as I need this running today? Thinking I've done something stupid!

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