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Thread: Changing a Laptop CPU

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    Changing a Laptop CPU

    Is this possible? My sister's laptop is basically getting scrapped and I was wondering if the core2duo from that could replace the centrino single core in my dad's laptop. Any chance they would be compatible?
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    Bows out! CAT-THE-FIFTH's Avatar
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    Re: Changing a Laptop CPU

    Even if the CPU will work in the other laptop you will need to make sure that the TDPs of the two CPUs are similar otherwise the laptop will overheat.


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    Re: Changing a Laptop CPU

    Would be best if you'd let us know exact models of processors and laptops.
    Laptop CPUs are not as easy interchangeable as Intel likes to change the socket pin-outs with every change to default FSB...

    BTW Centrino is just a brand of mobile platform including Intel's CPU/chipset/Wireless and has been utilized for long time on various hardware generations. It is not an indication of compatibility.

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    Re: Changing a Laptop CPU

    Quote Originally Posted by CooperXS View Post
    Would be best if you'd let us know exact models of processors and laptops.
    Laptop CPUs are not as easy interchangeable as Intel likes to change the socket pin-outs with every change to default FSB...

    BTW Centrino is just a brand of mobile platform including Intel's CPU/chipset/Wireless and has been utilized for long time on various hardware generations. It is not an indication of compatibility.
    Yeah, It's actually a celeron I think, I just meant is it practically possible or does it require a lot of work? I think I'm just going to leave it for now tbh.
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    Re: Changing a Laptop CPU

    It depends on the factors described in my initial post. If you will provide the requested information you just may get the answer you are after. ppl cannot read thoughts and minds on distance to know what you exactly dealing with

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    Re: Changing a Laptop CPU

    CPU Z the laptop and see what chipset it has then you will have some idea if its compatible.

    If you can get to the CPU easy enough just try it, if it work then great if not never mind.

    If your dad does basic desktop stuff with the machine and not maxing out the cpu then it
    should be ok heat wise. I stuck a 1.9 GHz Pent M in a 1.5 GHz cele M and it actually run cooler

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    Re: Changing a Laptop CPU

    Quote Originally Posted by Kumagoro View Post
    CPU Z the laptop and see what chipset it has then you will have some idea if its compatible.

    If you can get to the CPU easy enough just try it, if it work then great if not never mind.

    If your dad does basic desktop stuff with the machine and not maxing out the cpu then it
    should be ok heat wise. I stuck a 1.9 GHz Pent M in a 1.5 GHz cele M and it actually run cooler
    The Pentium M has SpeedStep unlike the Celeron M and in many cases has a similar TDP.
    Last edited by CAT-THE-FIFTH; 23-04-2011 at 12:24 PM.


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    Re: Changing a Laptop CPU

    Even bearing similar TDPs in mind/chipsets etc, the bios still might not support the new CPU, its normally best to see if the laptop model was ever fitted with that CPU as a option so it might be a possibility.

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    Re: Changing a Laptop CPU

    Sometimes SpeedStep will not be activated so Notebook Hardware Control can be useful:

    http://www.pbus-167.com/


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    Re: Changing a Laptop CPU

    They're compatible, I simply can't find the CPU in the HP, you have to take out the keyboard and then all of the screws on the bottom and the screen and it's still not possible to get to the cpu...
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    Re: Changing a Laptop CPU

    That is really odd thing you have there. Most common components are accessed from the bottom.
    Again you would get way more help by actually telling us what are the laptops you dealing with.

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    Re: Changing a Laptop CPU

    Some of the cheap laptop's I've taken apart before were a nightmare to access the CPU, not at all designed to be user replaceable... Look for the big heatsink, and follow the heatpipes back to source, lift up the copper plate and twist the screw, then it should just fall out.

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    Re: Changing a Laptop CPU

    It's an HP G7090EM and I can see the cpu, but I can't get the plastic panel covering it off...
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    Re: Changing a Laptop CPU

    I'd be surprised if it was in a socket. I'd have thought most laptop CPUs would be in a "ball grid array" (BGA) package (little solder balls covering the underneath of the chip) that would be soldered straight to the board and would be impossible for someone to take off without specialist tools, and even then, it's pretty dicey.

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    Re: Changing a Laptop CPU

    The only CPUs on laptops I have seen which were soldered to the board were netbooks.

    Nibbler, you can def get into it you just have to take all the screws off and probably have to prize
    the base apart. See if you can find a similar model being taken apart on you tube.

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    Re: Changing a Laptop CPU

    Yeah, I think it just takes confidence I don't have... I thought i'd pulled the screen and the keyboard off yesterday and it was just those ribbones which go straight back in... it's all new to me and I don't like having to force things apart :/
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