how much power is needed for a system?

Discussion in 'Linux Hardware' started by enhu, Sep 11, 2012.

  1. enhu

    enhu New Member

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    I would like to replace my power supply since its becoming noisy while the computer is on. But How do we calculate how much power we need for our system?

  2. nooran

    nooran New Member

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    how much power needed for your hardware computer
    power it depend on the hardware
  3. Bill

    Bill New Member

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    What is the power rating on the old power supply?
  4. netwar

    netwar New Member

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    Before you run to replace the old one, if you feel confident, power off your machine and unplug it from the wall. wait 5-10 minutes for things to cool down if its been running, then open the case and remove the PSU (you'll have do this anyways to replace it) and see if there is dust visible from the outside. DO NOT OPEN THE PSU! the power supply has large caps inside it that can store a charge for about 45-60 minutes even with the bleeder resistors. After waiting about 1 hour open the disconnected PSU and check for dust or wires that have come un-tied and are hitting the fan.
    To answer your question more directly it will probably need a 250w ATX power supply but like the above posts, it depends on your hardware.
  5. pane-free

    pane-free Active Member

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  6. netwar

    netwar New Member

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    hahaha I didn't either lol, just figured it was recent since it was on the 1st page.Well i hope the issue was resolved regardless.
  7. aknouche

    aknouche New Member

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    Same for me :)

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