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I don’t know how to ask this question about my motherboard PLEASE HELP

ilostmyjello
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So.. I have a Dell Optiplex 390 motherboard, and there are no labels on the connectors to plug the power wire in so the power button on my aftermarket case can work right, like I mentioned I have no idea what to search online for this information so if anyone knows or knows where to find a good diagram please let me know!

 

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Can you take a full picture of your motherboard to find the model?

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What are we suppose to be looking at? I see a USB header, SATA headers, what appears to be IDE for either HDD, disc drives, or floppy drive.

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1 minute ago, emosun said:

run a screwdriver along the pins til one of then turns the machine on

The computer turns on every time I give it power, would it work vice versa to see if it turns off?

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Like @emosun said, the ol' screwdriver to the pins as a jumper works a treat

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1 minute ago, Windows7ge said:

What are we suppose to be looking at? I see a USB header, SATA headers, what appears to be IDE for either HDD, disc drives, or floppy drive.

Sorry I thought the pins were in the picture but it’s actually near the ram

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1 minute ago, ilostmyjello said:

The computer turns on every time I give it power, would it work vice versa to see if it turns off?

no , i wouldnt do it once its on

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