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I am completely clueless when it comes to laptop CPUs! Need help!

post #1 of 6
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Hey everyone. So I posed a thread a few days ago in the Laptop forum about how my work gave me a free laptop because it was in a million pieces and the screen was shattered. Well, after a day of some TLC, and $65 later (for a new screen), this laptop is as good as new! It is an HP Probook 4520s and it is a very nice machine. This is the base model though, and only has a Core i3 M350, which is rated at 2.27 GHz and has HyperThreading.

I would really like to upgrade the CPU in this laptop, but I'm quite uneducated in the laptop genre. I opened up CPU-z and it gives all the specs of the CPU, and it says "Socket G1." Doing a quick search on eBay, I found a nice Core i7 CPU that is Socket G1, so I am hoping that is compatible. Here is a link to the CPU that I would like to purchase for it:

http://www.ebay.com/itm/Intel-Core-i7-Mobile-i7-740QM-SLBQG-Socket-G1-1-733GHz-6MB-CPU-Microprocessor-/280873572382?pt=CPUs&hash=item41655e981e#ht_4581wt_1270

Here is a screenshot of the CPU-z to show what this laptop currently has:
390

Basically, will the i7 be compatible? I don't know anything and I'm not sure if the i7 has a higher TDP or not, which may or may not affect the compatibility. If that i7 is not compatible, what would be - or could I not upgrade the CPU at all? Any help would be great! Thanks!
    
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post #2 of 6
It might not because some motherboards don't except some CPU's, at least in my experience. I would read up on the model more and see if there are any models that have i7's in them. Even if it does work, it would be really hard to remove it as sometimes the chips are soldered on, or the heatsink is glued to the case.
    
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post #3 of 6
Thread Starter 
Quote:
Originally Posted by Willanhanyard View Post

It might not because some motherboards don't except some CPU's, at least in my experience. I would read up on the model more and see if there are any models that have i7's in them. Even if it does work, it would be really hard to remove it as sometimes the chips are soldered on, or the heatsink is glued to the case.

Yeah I should definitely check my CPU physically first i guess, lol. The CPU in my X300 is soldered on, but I don't think the one is the Probook is. I know the Probook goes up to Core i7's, so that's why I was thinking about it. My main concern really is if it is just plain compatible or not, and also if it is, would I need more robust cooling for the i7 (i.e. could my laptop's heatsink handle an i7)?
    
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post #4 of 6
the pins dont match so no?
i7-740QM is a PGA988
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by Coolwaters View Post

the pins dont match so no?
i7-740QM is a PGA988

That was another thing I was unsure about. CPU-Z says PGA 989, but Core Temp says PGA988 lol. I don't know what pinset my laptop uses frown.gif
    
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post #6 of 6
From Quickspecs for HP ProBook 4520s Notebook PC:
Quote:
Processors
Intel Core i5-520M Processor (2.4 GHz, 3 MB L3 cache)* Up to 2.93 GHz with Intel Turbo Boost Technology
Intel Core i5-480M Processor (2.66 GHz, 3 MB L3 cache)* Up to 3.18GHz Turbo Boost Technology
Intel Core i3-370M Processor (2.4 GHz, 3 MB L3 cache)*
Intel Core i3-350M Processor (2.26 GHz, 3 MB L3 cache)*

I am not sure if I found the correct pdf, you better check it by yourself.

And if you go for a higher CPU than those mentioned, they may not be supported in the BIOS.
Edited by TonyGrunt - 5/4/12 at 4:06am
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