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  1. #1
    ROG Member Array
    Join Date
    Feb 2016

    Lightbulb [G752VL] CPU Temperatures

    Hello all!

    I've bought my ROG G752VL brand new in February 2016. With the original BIOS (303 I think) and several reinstallations of windows, it worked fine until one day I couldn't turn it on at all. Since then it has had a malfunction of the motherboard in late 2017, I believe it somehow got fried since the malfunction happened over night and the unit was completely unresponsive.
    Luckily it was under warranty and I could get it serviced free of charge.
    The authorized service technician noted it was a "Moisture" problem. (I've got a vocational HS diploma in IT, and was trained to service and diagnose PCs as well, and I didn't believe that - I do live next to the river where the air is pretty moist but I've never used my laptop outside nor spilled anything on it.)

    The motherboard got replaced completely with a new one. Since the laptop was still under warranty, I couldnt've opened it to check what was done inside.
    A few months after, I noticed an increase in temperatures. I asked the service whether they performed a repaste (or put any actual thermal paste while changing the MB) to which they didn't reply. Sometime after that , the battery completely went out, but by that time the laptop was no longer under warranty.
    The temperatures culminated somewhere this year when they were going up to 60-70C idle, and fairly over 90 when doing medium intensity gaming (think Battlefield 2). The fan sound was unbearable.

    I decided to take a look inside and after a tedious job of opening up a broken and stuck nut and bolt (yes, the serviceman likely used an electric screwdriver and broke it). I cleaned it and dusted it thoroughly.

    After cleaning the temps and fan sounds came back closer to normal.

    Idle: ~40C to ~46C
    Browsing using Chrome: ~60-~70C

    *Low intensity gaming
    • Doom (1993): 59C-67C
    • Battlefield 1942: 71C-76C

    *Medium intensity gaming
    • Fallout 3: 74C-79C
    • Battlefield 2: 72C-76C

    * High intensity gaming
    • GTA V (Gameplay, Ultra settings): 70C-77C
    • GTA V (Benchmark, Ultra settings): 77C-80C
    • Fallout 4 (Modded, Lowered shadows but everything else on Ultra): 79C-89C

    If anyone has the same, or similar laptop, can they say are these temps normal?
    I've researched the internet far and wide and I could only find a few answers which said "they were normal".

    Things I could do to lower my temps now:

    • Repaste - I will do that in the following few days.
    • Update to version 307 BIOS - Read somewhere it might help. Honestly I'm afraid to do that, and it won't let me due to my battery not working. I've heard some workarounds by typing "RISKY" while the flash utillity is on. I haven't tried it, and even when things are all done correctly - people have reported getting their machines bricked.
    • Install a cooling pad - Tried this with a This hama cooling pad with some very mild improvement (2-5C) without removing the dust guard. I might try removing the see-through plastic dust guard under the fans and running the cooling pad and noting the results.
    • Disabling turbo boost - I tried it with ThrottleStop. My OS freezed when I tried to run fallout. I don't recommend that.
    • NoteBook FanControl - Makes the fans blow way louder but it really barely helps. It might wear down the fans. I don't recommend that.
    • Uninstalling ROG Gaming Center - Apparently that "helped" a few people but I don't see how. Didn't see any difference.
    • Uninstalling GeForce Experience - Helps with framerates and the GPU, whose temperatures remain normal even while high instensity gaming (Stable Around 60-69C).

    I'd appreciate any help on this matter. And I'm sorry if this post is too long Cheers.

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