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Released in 2015, Known as Dell OptiPlex 5040.

Pc not turning on?

Once my friend turned off the power plug switch so my PC quickly shuts improperly so after that my PC don't have electricity th lights are not working overall ni electricity

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Hi @drawwithabhinav

Try pressing the PSU's BIST button (Built In Self test) on the PSU on the back of the PC to check if the problem is with the PSU or the motherboard.

Here's an article that explains what to do.

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3条评论:

I did that and with all the wires the there is green light until I hold it but still pc doesn't power on

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Bro I tested with all the wires one by one it was green until I hold it but still my PC doesn't start

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@drawwithabhinav

Does the power button light on the front of the case turn on when you press it?

If it does what colour is it?

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