Windows 8 and 8.1 Forums


Laptop Shutting down at random while playing 720p videos

  1. #21


    Posts : 467
    Windows 8 Pro


    Quote Originally Posted by jenil View Post
    Quote Originally Posted by JustATest View Post
    Did you clean the surfaces properly and apply a new (very thin layer) of thermal compound before reattaching?
    No i didnt haf a thermal compound to apply.. however i did clean the surfaces properly including the fan... i ripped open the fan and cleaned its fins and put it back together...
    STOP , stop using it , you must now keep it powered off until you or someone else re-applies a coating of thermal paste back to that CPU , you now stand a % chance of burning out your CPU with little or no heat being transfered off the chip to the heatsink/fan.


    You should never remove thermal paste from a surface without replacing it before using the machine again.

      My System SpecsSystem Spec

  2. #22


    Posts : 27
    Windows 8.1


    Quote Originally Posted by Wullail View Post
    Quote Originally Posted by jenil View Post
    Quote Originally Posted by JustATest View Post
    Did you clean the surfaces properly and apply a new (very thin layer) of thermal compound before reattaching?
    No i didnt haf a thermal compound to apply.. however i did clean the surfaces properly including the fan... i ripped open the fan and cleaned its fins and put it back together...


    STOP , stop using it , you must now keep it powered off until you or someone else re-applies a coating of thermal paste back to that CPU , you now stand a % chance of burning out your CPU with little or no heat being transfered off the chip to the heatsink/fan.


    You should never remove thermal paste from a surface without replacing it before using the machine again.
    I haven't removed the thermal paste... I just removed the heat sink, cleaned it from dust and put it back and cleaned the fan and attached it back and screwed the laptop back...
      My System SpecsSystem Spec

  3. #23


    Posts : 467
    Windows 8 Pro


    Quote Originally Posted by jenil View Post
    Quote Originally Posted by Wullail View Post
    Quote Originally Posted by jenil View Post

    No i didnt haf a thermal compound to apply.. however i did clean the surfaces properly including the fan... i ripped open the fan and cleaned its fins and put it back together...


    STOP , stop using it , you must now keep it powered off until you or someone else re-applies a coating of thermal paste back to that CPU , you now stand a % chance of burning out your CPU with little or no heat being transfered off the chip to the heatsink/fan.


    You should never remove thermal paste from a surface without replacing it before using the machine again.
    I haven't removed the thermal paste... I just removed the heat sink, cleaned it from dust and put it back and cleaned the fan and attached it back and screwed the laptop back...
    Ok , thats not quite as bad , but the old paste which was causing your heat problems would have been made a lot worse by the removal of the fan , it dries out really quickly when exposed to air and when you placed the fan back on , the chances are not all of the heatsink surface was re-covered to the same thickness , leaving small gaps of air between the plate and CPU , this will keep things running hot.

    Best thing is to get someone in the know to clean off the old paste properly , re-place it with a new thin even layer of paste and re-seat the fan.
      My System SpecsSystem Spec

  4. #24


    Posts : 27
    Windows 8.1


    Quote Originally Posted by Wullail View Post
    Quote Originally Posted by jenil View Post
    Quote Originally Posted by Wullail View Post



    STOP , stop using it , you must now keep it powered off until you or someone else re-applies a coating of thermal paste back to that CPU , you now stand a % chance of burning out your CPU with little or no heat being transfered off the chip to the heatsink/fan.


    You should never remove thermal paste from a surface without replacing it before using the machine again.
    I haven't removed the thermal paste... I just removed the heat sink, cleaned it from dust and put it back and cleaned the fan and attached it back and screwed the laptop back...
    Ok , thats not quite as bad , but the old paste which was causing your heat problems would have been made a lot worse by the removal of the fan , it dries out really quickly when exposed to air and when you placed the fan back on , the chances are not all of the heatsink surface was re-covered to the same thickness , leaving small gaps of air between the plate and CPU , this will keep things running hot.

    Best thing is to get someone in the know to clean off the old paste properly , re-place it with a new thin even layer of paste and re-seat the fan.
    Whew.. Kinda scared the crap out of me for a moment there...
    Ive been running my laptop for the past hour or so...
    everytime i launch a new application, the temps spikes upto 90c or more and then it immediately cools down to 60c-70c
    Nt optimum i knw bt hell of a lott bttr den originally experienced...
    I will buy a thermal paste and apply it myself as soon as i figure out which one is the best.. Caz i haf zero knowledge abt which is gud and which is not...
    A quick google search and conclusions r coolermaster and arctic ones...
    Torn between them..
    any suggestions?
      My System SpecsSystem Spec

  5. #25


    Posts : 467
    Windows 8 Pro


    Quote Originally Posted by jenil View Post
    Quote Originally Posted by Wullail View Post
    Quote Originally Posted by jenil View Post

    I haven't removed the thermal paste... I just removed the heat sink, cleaned it from dust and put it back and cleaned the fan and attached it back and screwed the laptop back...
    Ok , thats not quite as bad , but the old paste which was causing your heat problems would have been made a lot worse by the removal of the fan , it dries out really quickly when exposed to air and when you placed the fan back on , the chances are not all of the heatsink surface was re-covered to the same thickness , leaving small gaps of air between the plate and CPU , this will keep things running hot.

    Best thing is to get someone in the know to clean off the old paste properly , re-place it with a new thin even layer of paste and re-seat the fan.
    Whew.. Kinda scared the crap out of me for a moment there...
    Ive been running my laptop for the past hour or so...
    everytime i launch a new application, the temps spikes upto 90c or more and then it immediately cools down to 60c-70c
    Nt optimum i knw bt hell of a lott bttr den originally experienced...
    I will buy a thermal paste and apply it myself as soon as i figure out which one is the best.. Caz i haf zero knowledge abt which is gud and which is not...
    A quick google search and conclusions r coolermaster and arctic ones...
    Torn between them..
    any suggestions?
    Personal preference , but when I was building PCs/laptops I used arctic pastes , I know people who just used generic unbranded versions with no problems.
      My System SpecsSystem Spec

  6. #26


    Posts : 27
    Windows 8.1


    Okay! so i bought some thermal paste and applied it to the gpu and processor and sealed the laptop...
    In initial testing, for abt 10 mins, i played a 720p video, during which the temp spiked about 3-4 times and at the fourth time, it didnt cool down and reached 107 and the laptop shut down...

    However i was able to achieve d minimum temp of 50 which a couple days ago was impossible!
    So it didnt xactly solve the problem, bt made it a lill bttr...

    I'll watch for a couple of days.. if it aggravates, den i will give it in lenovo for diagnostics and repairing...

    P.S.
    A guy i met for this thermal paste said that there can be various reasons for the laptop to shut down, like the fan running at low rpm or the graphics card malfunctioning... He said graphics card malfunctioning is rare so i must check the fan speed and rpm..

    However he said that for checking that, there are no softwares available and that i must keep the laptop with him so that he will check it..
    I'm nt sure i believe him and/or trust him..
    Is there any ways to check the rpm and speed of the fan using any software?
    If so any links for such software would b appreciated!!
      My System SpecsSystem Spec

  7. #27


    Posts : 5,139
    Win8.1Pro - Finally!!!


    Is this you also? Laptop Shutting down automatically while watching 720p Videos (NO BSOD) - Page 3
    There's not a problem with this, I just want to avoid repeating myself.
      My System SpecsSystem Spec

  8. #28


    Posts : 27
    Windows 8.1


    Quote Originally Posted by usasma View Post
    Is this you also? Laptop Shutting down automatically while watching 720p Videos (NO BSOD) - Page 3
    There's not a problem with this, I just want to avoid repeating myself.
    well yeah dats me...
    I figured the more ppl read dis, d bttr.... ;P

    P.S.
    I gave up.. sent the laptop in lenovo for diagnostics...
    Lets see wat they come up with..
    Will post an update as soon as i get one...
      My System SpecsSystem Spec

  9. #29


    Posts : 5,139
    Win8.1Pro - Finally!!!


    Not a problem with posting around - the more the merrier!

    Good luck with Lenovo!
      My System SpecsSystem Spec

  10. #30


    Posts : 27
    Windows 8.1


    So had a chat with lenovo people...
    They seem to think that mayb the speakers are the ones causing the problems..
    D thing is i recently broke down the left hinge of the laptop and had given it for repairs..
    Also my speakers were fried since the past two months...
    So i askd them to replace the hinge and the speakers as well so that it would be done with..

    Wat i failed to mention here was that this problem started occuring as soon as i gt the laptop repaired and new hinges n speakers fit...
    Caz i thot there would b no connection between the two events..
    They said they would test it 2mrow after removing the speakers and see if the problem exists...
    If it exists then they said it would b a graphics chip problem which they are afraid has no solution...

    Can any1 tell me if such a problem can occur due to change in hardware?
    Or is it crazy to think my laptop is rejecting the new speakers like a bad organ transplant...
      My System SpecsSystem Spec

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Laptop Shutting down at random while playing 720p videos
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