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    150W or 230W?

    Discussion in 'Alienware 17 and M17x' started by SSalp, Jul 5, 2012.

  1. SSalp

    SSalp Notebook Enthusiast

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    Hello everyone!
    My psu doesn't work properly because my sister dropped it and now I need to buy a new one. I saw that there are 150W and 230W units. How do I find out which one I need?
     
  2. bigtonyman

    bigtonyman Desktop Powa!!!

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    You sure its not a 250W adapter? That is the voltage i think you want. I believe the gpu or cpu might throttle under load if you go with the 150W adapter. :(

    Sent from my Asus Transformer tf101 running Revolver 4
     
  3. Douse

    Douse Notebook Deity

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    250w!!!!!!!
     
  4. SSalp

    SSalp Notebook Enthusiast

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    Because when I start my computer it shows me a message:
    "Adapter not recognized, please connect 150W adapter" or something like this.
    The laptop still works but it gets throttled and I can't play games. Would it be bad if I bought an adapter with too much wattage?

    EDIT: on the dell-store (totally overpriced) there are a 150W and a 240W adapter.
     
  5. Douse

    Douse Notebook Deity

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    lol, yeah it is actually a 240 watt adapter :p
     
  6. bigtonyman

    bigtonyman Desktop Powa!!!

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    Check ebay and see if you can find a decent price for either a 240w and 250w adapter. Extra wattage wont hurt the machine, in this instance. :)

    Edit: 240w is the correct voltage. I don't think there is a 250w adapter.

    Sent from my Asus Transformer tf101 running Revolver 4
     
  7. SSalp

    SSalp Notebook Enthusiast

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    oh forgot to mention it is an R3^^
    But thx for the information :)
    case closed :p
     
  8. corius

    corius Notebook Enthusiast

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    Hi,

    Just to avoid confusion, there are usually two parameters specified on power supplies, Watts (which measure output power) and Volts (which measure input voltage)

    Most power supplies nowadays are designed to work with any input Voltage, e.g. 110v in US and 240v in the UK.

    The power rating is a measure of how many Watts the power adapter can provide. The laptop will take only what it needs, so it is generally safe to use an adapter with a higher Power capability than is required by your laptop. The higher the output power capability, the bigger the adapter.

    Note that there is also an output voltage specified. This must be correct for your laptop.
     
  9. Tsunade_Hime

    Tsunade_Hime such bacon. wow

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    150W adapter is fine for your needs, though the 240W PSU will run far cooler.