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I bought a few HP's back around November of 2011 which were the DV6t quad I7 machines. The fans never stopped running, the performance wasn't what I had hoped for, and I was disappointed to say the least as I was troubled with constant lags and the system hanging. 16gb of ram did not help too much and when I placed a solid state drive in I knew something was wrong. Versus sending in the laptop and hoping someone would do more than clean the system I took the plunged and opened it up. The findings were completely shocking.
So why do we all have problems you ask?
Well.......it's a little hard to cool the pc if the factory isn't using properly forged heatsinks or even tightning them down all the way. I know the core is basicallyglass and britle but that doesn't explain why I have two heatsink pads still in perfect square shape since after all they never touched the north or south bridge of the mainboard. The cpu heatsink was installed ok but you could easily see a faint gap when looking at it closely before removal.
So an I7 has this problem......what about my older G71-340us? Yep, same problem there too and in fact after I fixed the issue by properly installing the heatsink and using arctic silver 5 my performance jumped on the g71 so much I doubt I would have upgraded to begin with. The i7, now I finally have the performance I bought and on an SSD this machine can fly.
How to know if your affected:
Can you hear the fan almost the entire time you are on the machine? Do CPU temps show it hovering at 65c at idle? My temps now hover at 49c at idle and 65c at full load.
My advice, don't send your machine into hp. If they couldn't id the problem prior to this what makes you think they will do anything more than blow it out with compressed air and move on to the next repair? I must say though, I love the recommendation by hp to always run the pc in battery saver mode to avoid problems, Isn't that why we all bought the I7 so in the end we could all have i3 performance.
And to all those who say this isn't possible look at the evidence for yourself. The heatsink pads on laid on top of a ram upgrade box. See both still intact?
HP.............some U.S. customer support would be nice. The advice you offer your customers is nothing more than an insult when we have supported you for this long.
I will never buy one of your inferior products again. Will only buy from a company who can properly attach 8 screws to a motherbard.
Thanks 
, but no need to park cores. I can set my laptop in my lap now with all cores rolling, a game in full swing and still not hit the temps I used to reach when I first pull the laptop out of the bag. No joke, my computer ran hotter at idle a few weeks ago than it does now on a full blow cpu burn in test with all cores maxed to 100% for over 30 minutes. I would hate to know how many people reading this are affected by the same flaws but if you have the guts to do it yourself or billfold to pay someone else to do it for you I highly urge you to. Not only did it make a difference in my machine, but now I know it will last longer than 12 months. No comptuer would last long under the conditions it was in prior. That much heat will kill everything!
So we can all be clear on what ssd in a bad mood guy said:
It shows you how to unpark the cores manually!
If it were a rattler. . . .
Thanks for clearing that up via PM. Next time if you think someone is confused perhaps you should clear it up where the confusion actually lay. Why go through any of that mess if you don't need to? Why not just fix the root of the problem and be like everyone else in America who doesn't have to do that crap so their PC will run?
