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    Overheating dv7t

    Discussion in 'HP' started by da9, Feb 13, 2009.

  1. da9

    da9 Notebook Guru

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    Hey guys, I'm having some issues with my dv7t.

    Brief specs:
    dv7t
    P6800
    nVidia 9600M GT
    4gb OCZ RAM (I installed this)
    2x 7200RPM HD's
    Integrated TV Tuner

    And the thing gets hot when I watch over-the-air HD.

    CPUID Hardware Monitor data:
    ACPI
    THRM 35*C Min / 90*C Max
    CPU
    Core0 20*C Min / 20*C Max (shows 70/70 now...)
    Core2 21*C Min / 21*C Max (shows 70/70 now...)
    GeForce 9600M GT
    GPU 52*C Min / 106*C Max
    HD's
    HD1 35*C Min / 49*C Max
    HD2 37*C Min / 54*C Max

    It doesn't get this hot normally, just when I watch TV. I know that media center automatically records whatever you're watching, so I'm assuming that is heating up the proc and HD, but holy crap 106*C? It seems a little excessive. Where is the video card on these things so I can try and make sure that is always in open air. Any help appreciated, thanks.
     
  2. Euquility

    Euquility Notebook Deity

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    that is way hot for a 9600M GT have you tried using an external cooling fan and also blowing out your vents. Your CPU temps and HD temps actually look pretty good but your GPU is really heating up, its even a tad warm for idle. Have you tried updating drivers also?
     
  3. timesquaredesi

    timesquaredesi MagicPeople VooDooPeople

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    your 2 7200rpm hard drives might be the culprit... when i installed a 2nd 320gb hard drive in my dv7t (only a 5400rpm), it did increase my temps while gaming. I never got over 70C before the hard drive and after the hard drive installation, i've gotten as high as 72C.

    since my machine is a desktop deplacement, i started using it without the battery in and i think that lead to a negligable decrease in tempratures... but still, it's a decrease...

    im running the t9600 proc too, and have the rear of my dv7t raised about half an inch to aide in airflow beneath the unit.
     
  4. Tippey764

    Tippey764 Notebook Deity

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    I see your cpu temperature sensors dont work either.
     
  5. da9

    da9 Notebook Guru

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    Edited my first post to reflect more accurate idle data and possibly better CPU data.

    I'm not propping the thing up. Next on my list is to blow the thing out with air. Where is the video card located on these computers?
     
  6. Tippey764

    Tippey764 Notebook Deity

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    http://h10032.www1.hp.com/ctg/Manual/c01550113.pdf should answer your question about hardware locations. By the way your CPU sensor dosent work none of them do with the new bios it reads once upon bootup / wakeup. Watch turn your laptop off all night leave the window open so it gets really cold ( mine gets around 10°C ) then turn it on and play a game. Look at the graphics card at 80°C and the cpu at 10°C. Then put your laptop to sleep and wake it up quickly and you will see it will magically jump to around 50°C
     
  7. Tippey764

    Tippey764 Notebook Deity

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    Oh i just read about you were watching tv. Im pretty sure that tv tuner gets really hot i know my express card tuner gets so hot you cant touch it.
     
  8. da9

    da9 Notebook Guru

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    I downloaded the service manual, and it doesn't specifically say where the video card is located. Only that it's party of the motherboard.
     
  9. Tippey764

    Tippey764 Notebook Deity

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    Didnt you scroll down to the part where it shows the dissembly and it shows the motherboard?
     
  10. da9

    da9 Notebook Guru

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    Affirmative. Just shows the motherboard, not the specific location.
     
  11. Pranalien

    Pranalien Notebook Veteran

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    My advice is if you are not experienced with deassembling an HP laptop, don't take the risk. You have to remove all the components of the PC in order to get to the motherboard which is way too risky. Moreover for the Pavilion series, the video card doesn't exist as a removable entity and is in fact fused with the motherboard by solder. Just take it to the service center and get it inspected.
     
  12. Yurkooo

    Yurkooo Notebook Guru

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    I have DV 7T which was overheating just because a mistake in engineering.
    When it stands on the table the distance between laptop bottom and the table which it stands on is too close. So it is hard for the fan to get any air inside.
    Thats why the fan needs to run extra high speed trying to chill my T9400. Which was making really annoying loud noise.
    MY SOLUTION: I increased the distance between laptop and table by sticking 2 cubic rubber supports which are higher whan hp facrory supports so it’s more easy for the fan.
    here are some pictures:
    view of the bottom with supports
    [​IMG]
    closer look of the support
    [​IMG]
    increased distance
    [​IMG]
    by the way hp usa didn’t found any other solution, but not selling dv 7t with any 35 watt intel core 2 duo processor.
     
  13. da9

    da9 Notebook Guru

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    oops wrong thread :p
     
  14. da9

    da9 Notebook Guru

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    I wish they'd sell a big battery for these things. Usually those prop up the back of laptops enough to help cooling.

    I think I'm not being clear in the post. I'm just looking to know where specifically the video card is. I know that there's not much I will be able to do to fix the problem, but I just want to know where to keep propped up off the desk. Maybe the front is a better place to prop than the back, who knows.
     
  15. da9

    da9 Notebook Guru

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    What is it I hear of people changing the thermal paste for reducing temperatures?
     
  16. da9

    da9 Notebook Guru

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    Bueller? i know the thermal paste can be applied to the processor heatsink, is there any place to apply thermal paste to a video card heatsink? I'd rather not take the computer apart just for giggles...
     
  17. ZeroHour

    ZeroHour Newbie

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    btw I have the exact same issue. I have had mine power off the cpu is running so hot (105C btw) and the GPU hits 106 playing wow ffs. I have undervolted my cpu which helped a little but it still does it. I have only had this laptop since January and it seemed fine for a month then it started getting really hot and powering off. I sadly did not run a monitor before I started with these problems so its not 100% for sure but the laptop def felt cooler then it does not.
    I cant claim it on warranty either as I won it on as a prize so i dont have a warranty. Can I send it to HP and pay and has anyone done this before? How much roughly?

    See my original thread here:
    http://forum.notebookreview.com/showthread.php?t=357134
     
  18. ZeroHour

    ZeroHour Newbie

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    screenshot of my result after playing DoW 2
    BTW I disabled the x10 multiplier as well for this (using rightmark)
    One question, you know you hear the fan spin in at a different pitch when you cover a fan, does your back vent that pumps the air out, pump the air out over the whole gap or just the furthest half?
    When I cover half the vent the other half does not start putting air out so I may have a blockage?
     

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  19. da9

    da9 Notebook Guru

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    I'm just going to send the thing back eventually.
    • Overheats
    • Hard drive makes clicking noises
    • dust between the screen and infinity plastic
    • the keyboard rubs on the infinity plastic

    I'm gonna hail-mary and try reinstalling Vista, but I doubt that will solve anything. I have a sneaky suspicion it's the recent BIOS updates.
     
  20. ZeroHour

    ZeroHour Newbie

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    hmm I have not installed any bios updates but it is a new laptop so its maybe already in it.
    TBH I see what yurkooo was saying, the clearance is very bad for the vent. I have put a couple of wedges to increase the clearance but I dont know if it will help much.
    How much air comes out of your vents? is it across the full vent or only part?
     
  21. da9

    da9 Notebook Guru

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    My temperatures drop about 10 degrees when I wedge the back up, for what it's worth.
     
  22. ZeroHour

    ZeroHour Newbie

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    My laptop now seems to almost hit 100c when I boot it. I think something may be seriously wrong tbh as I cant believe it can be this bad.
     
  23. da9

    da9 Notebook Guru

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    I broke down and I'm sending my laptop back to HP. I don't feel confident that they're going to fix the issue though.
     
  24. da9

    da9 Notebook Guru

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    Just an update. It's a year later and it still overheats the the point of crashing. Gonna send it in one last time.
     
  25. sendmarksmail

    sendmarksmail Notebook Evangelist

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    If this is your third time, and it still isn't fixed, you could get a replacement.