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CPU : Thermal compound

Discussion in 'A+' started by timelord, May 29, 2011.

  1. timelord

    timelord New Member

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    Hi everyone,
    I’ve just finished doing a practice exam. I’m a little confused with one particular question. The question was how often should you reapply thermal compound to the CPU?
    Personally I don’t think it is necessary to reapply thermal compound. I think once is enough. What do you guys think?
     
  2. Beerbaron

    Beerbaron Megabyte Poster

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    I've not done the A+ so couldn't tell you what Comptia's answer is but personally i would just reapply if changing cpu and/or heatsink, cpu temps have risen or if needed over time. I have had the same tube of arctic silver for years
     
    Certifications: BSc (Hons), MSc, ITIL v3F, MCP, MCDST, MCITP: edst7, MCTS, MCSA: Server 2003, MCSA: Windows 7, N+, NVQ IT lvl 3, MCSA Windows 7, VCP5, CCENT, CEH
    WIP: CISSP
  3. melhiore

    melhiore Bit Poster

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    Regardless what CompTIA expects you should clean and reapply compound every time you taking heat sink off CPU. I do not remember very well but that's good practice and CompTIA also suggest doing it therefore I would follow these step.
     
    Certifications: CompTIA A+, CCENT
    WIP: CCNA, CCNA Security, CompTIA N+,S+, CWTS/CWNA
  4. greenbrucelee
    Highly Decorated Member Award

    greenbrucelee Zettabyte Poster

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    Every time you move or take of the cpu cooler.

    But thermal compound can degrade but this can take a number of years.
     
    Certifications: A+, N+, MCDST, Security+, 70-270
    WIP: 70-620 or 70-680?
  5. jk2447

    jk2447 Petabyte Poster Moderator

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    I've only ever had to do that on Xbox 360's. It seems like an odd question to me, just knowing that there is a compound which is generally silver or carbon is enough for most people to know
     
    Certifications: BSc (Hons), HND IT, HND Computing, ITIL-F, MBCS CITP, MCP (270,290,291,293,294,298,299,410,411,412) MCTS (401,620,624,652) MCSA:Security, MCSE: Security, Security+, CPTS, VCP4, CCA (XenApp6.5), MCSA 2012, VCP5, VCP6-NV
  6. kfoulks2011

    kfoulks2011 Bit Poster

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    i think comptia's answer is anytime you take the heatsink off the CPU. only thing i can find in my book. doesnt exactly say how often though.
     
    Certifications: A+, Net+, MCP (70-270)
    WIP: 70-680
  7. nugget
    Honorary Member

    nugget Junior toady

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    As mentioned above, every time you remove the heatsink for whatever reason or if the temperature rises.
     
    Certifications: A+ | Network+ | Security+ | MCP (270,271,272,290,620) | MCDST | MCTS:Vista
    WIP: MCSA, 70-622,680,685
  8. kfoulks2011

    kfoulks2011 Bit Poster

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    or possibly one of the options might be when the paste changes colors. Unusual color of paste is sign of overheating. doubt that they will throw that on there but its another option that i found in this book. this book seems kind of vague lol
     
    Certifications: A+, Net+, MCP (70-270)
    WIP: 70-680

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