Replacing thermal grease ok?

Got two lightnings 7970 BE's, damn fine things.
Both cards hash fine, but I won't go into detail, apparently most people condemn miners.
Now, the second card runs as 71c, ok in my opinion.
The first card, however, runs at 78c, a bit too hot considering fanspeed is also 100% ( not nice for the lifetime of the card ).
So I was wondering, how can I reduce the temperature?
First thing that came to mind is replacing thermal grease.
I'm not really a noob to this, I've installed an Acc. Xtreme on a 480 before and mounted a VF3000A on a 5870, I'd consider myself experienced in cooler replacement / removal and whatnot.
Now, will this void the warranty of the cards? That'd really suck since these bad boys are just over two months old.
And, well, these are just over two months old, would I see a decrease in temps? Even 2c will matter.
Regards,
Nos.

Quote from: flobelix on 08-January-14, 04:05:30
There could very well be a difference of 2°C if quality paste is used. The factory paste is not too good.
Replacing will not void the warranty. Only damaging the card while trying would. The sticker is meant to scare off those trying to careless unmount the cooler. If you need a confirmation from your local MSI branch contact them: >>How to contact MSI.<<
Registering for my local MSI ( NL ) is a total mess, I can't register.
That's why I tried asking it here first.
Thanks for the fast reply though! I'll give it a shot.
Bonus question, if you know the answer.
I got three different brands of Thermal Grease.
Noctua ( came with NH-D14 )
Scythe ( came with Mugen 2 )
Arctic ( came with freezer 14 )
Which one of them would you recommend?
All reviews tend to lead to the same conclusion: Results are compareable.

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    This question was solved.
    View Solution.

    All thermal grease is acceptable. It is more an issue of how it is applied than the brand of the compound you use. The trick is to cover just the processor core as thin as possible while providing full coverage but not slopping over. A drop the size of a BB is usually about right. If you can find it my favorite brand is Arctic Silver with the highest possible metal content which is usually noted on the label. But even the inexpensive "ketchup pack" white stuff will work fine. 
    If this is "the Answer" please click "Accept as Solution" to help others find it. 

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    SH

    Isn't there still a sufficient amount of grease on
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    SH,
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    its glued strong, you have carefully slide it, left/right xx times until it take it off eazy. do not use force
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    Also would like to know if I will void my warranty by doing that?
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  • T60 replacement fan - thermal grease

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    eetolaa, welcome to the forum,
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    Andy  ______________________________________
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  • Thermal grease replacement in G62-B21ER Notebook.

    Hi!
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    Hi,
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    Jdiablo7 wrote:
    Hi!
    I have just replaced a new thermal grease in my laptop G62-B21ER to reduce the temperature of my GPU and CPU, and cleaned the radiator from dust. So, that is funny because my laptop didn't switch off before, but after this replacement it has begun! I used good thermal grease and it shouldn't switch off but temperature is about 90 (C) ~ 194 (F) in gaming.  There is 3 processors that touch thermal-cooling system and I've put the thermal grease on each proc.
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    Kind regards,
    erico
    ****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
    2015 Microsoft MVP - Windows Experience Consumer

  • Laptop doesn't turn on after re-assembl​y and replacing thermal paste. Please help!

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  • MBP vs MB - thermal grease...

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  • FYI For Everyone Fixing their Thermal Grease

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  • What kind of thermal grease for CPU?

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  • Replacing thermal paste : void warrantly?

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