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    Reapplying thermal paste for cpu?

    Discussion in 'Toshiba' started by mwake, Apr 15, 2017.

  1. mwake

    mwake Notebook Guru

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    I have the Toshiba S50D-A laptop and Ibe noticed that for about a year now the fan keeps coming on more than I would like even when doing non intensive tasks.

    I have already cleaned the fans so it's not a dust issue. I believe that it could be the thermal paste issue. However, I was wondering if anyone has managed to successfully reapply thermal paste into their Toshiba laptop? I have only seen the odd YouTube video and have never done this but wondering if the average man like me should try to attempt it or leave it to a professional. Also what is the best type of thermal paste to go for?
     
    mwake, Apr 15, 2017
    #1
  2. DooBrown

    DooBrown Newbie

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    Youtube is a great source for finding a video on how to do it for your exact model. I've done it a few times with very little computer hardware repair and it's work great. I bought Arctic Silver (not sure which type). I don't know if it's the best, but I remember reading reviews and choose that one.

    This first computer I replaced the thermal paste on has been running almost daily with no problems. Good luck.
     
    DooBrown, May 11, 2017
    #2
  3. Hair_Tech

    Hair_Tech Notebook Enthusiast

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    I guess Arctic Silver will also work for him. Been using it for many of my CPU and i even use it on PS3 and it works well.
     
    Hair_Tech, May 21, 2017
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  4. fire3element

    fire3element Notebook Consultant

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    Just for future reference, I would not use Arctic Silver for my first repaste job. The stuff is pretty thick and slightly difficult to work with.
    MX-4 is a decent paste and will allow you much easier application.

    If you are not sure if you are putting too little or too much on the CPU/GPU, go ahead and try what you think is the right amount, remount your headsink, tighten the screws down, then remove the heatsink again.
    Look at the heatsink and CPU to see how well the paste spreads, then gauge if you need more or less.
    Clean your CPU, reapply paste, mount heatsink. Done..
     
    fire3element, Feb 5, 2018
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    videobruce likes this.
  5. videobruce

    videobruce Notebook Enthusiast

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    1. Use Isopropyl Alcohol to clean BOTH surfaces (100%, not the watered down stuff found in a drug store),
    2. Use thermal past, NOT those 'pads' (that manufactures use to save time).
    3. If the paste spills over the sides, that's fine.
     
    videobruce, May 28, 2018
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  6. epguy3

    epguy3 Notebook Evangelist

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    do realize that the Toshiba S50D-A laptop has an AMD A10 series APU that is soldered (integrated) onto the system board and cannot be removed/replaced. OP needs to be very careful when removing old thermal paste on the integrated APU chip.

    also isopropyl alcohol 91% should also be good enough for cleaning
     
    epguy3, Jul 5, 2018
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