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  1. #1
    ROG Member Array
    Join Date
    Apr 2020

    G74SX Shutting down on medium load

    Hello all,

    I am facing some trouble with my 8 year old G74SX-3DE, honestly, it has served me so well that I wouldn't even be mad if I can't fix it.
    The laptop works great, I never had any overheating issues as I open it and clean it every 5-6 months and reapply the thermal paste, and have been doing so for the last 4-5 years. but for the last couple of days when I play some games (Mostly medium heavy nothing to fancy) it shuts down randomly. Tested this with benchmark software, and the same happens, so I know its not a software issue (I also did a clean re-install of widows and the same is happening). The temperature never goes above 70 c for the GPU and CPU likewise, with CPU having higher fluctuations as it cools down faster I guess. All in all the temperature is more than fine as far as I can tell, but it can't hold for too long once its above 60 c. I can have it on for the entire day if I am just surfing the web, doing light work, etc...
    Also, doing only a CPU stress test will not shut down the laptop.
    First It used to crash right as the GPU reaches 60 degrees. then i swapped the fans as I suspected something wrong with the sensors (and they look identical). and now it can hold for about an hour before shutting down. benchmark got it to 76 c without shutting it down, but i never left the benchmark running more than 15minutes. I swapped the fans back to see if it will again shut down immediately, but it stil holds on for a longer period, although I had it shut down in 2minutes once.
    what is also strange, is that using HWiNFO64 i was able to see the CPU and GPU fan speed under ASUS NB EC, but as I swapped the fans around (and also after I swapped them back) I can no longer see (Screenshot attached) and the sensor is enabled.
    This randomness is what is confusing me so much, is it the fans? is it the sensor? is it some safety feature that I can turn off? as I always monitor temperatures and I never see it overheat.
    If you guys have any ideas or suggestions, please let me know.

    Thanks in advance!
    Miniatura de Adjuntos Miniatura de Adjuntos HWiNFO64.JPG  

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