Motherboard dead or power supply?

By SandraTrying
Sep 5, 2011
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  1. Just to let everyone know first, I'm not very techy/good at this stuff. I know several things but I'm far from good haha.
    So my problem:
    Every time I turn on the power for my computer the fans run but the light on the power button blinks once and then stays off. I have to try several times to hold the button/turn it off and then try turning it on again before it totally starts. I'm wondering if this is just a power supply problem or a motherboard issue? I've got an Acer Aspire AX3400-E2202 AMD Athlon IIX2 215 dual-core processor.
    Also, if I were to get a new power supply unit would I have to stick to the watts of what it is now or could I move up to something like 300?

    Thanks in advance :)
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    Yes try a new power supply first... 350 to 500 watts is okay
  3. mike1959

    mike1959 TS Evangelist Posts: 1,034   +55

    Changing PSU

    It might sound obvious, but it would be a good idea to take a few photo's of the whole PC motherboard, and some close-up's also, so that you plug all the wiring into the right places.
    It's REALLY EASY to leave a plug out when re-building a board, and not to be able to remember what it was like before.
    Look at the main power connector onto the motherboard, it is made up of a long plug AND a small plug. It's very easy to forget to plug the smaller one in, and the PC will not run, of course.

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