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  1. #1
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    Issue with G751JY (flipping between AC/Battery)

    I'm sorry if this has been posted before but i couldn't find an appropriate thread, or i couldn't seem to get the right search terms. I've had my G751JY since around March of 2016 and i have been noticing an odd issue. As of about a week ago the laptop will flip between AC and Battery power(as if I am plugging and unplugging my laptop), it seems to be only games that are more intensive on my graphics card or with periods of use for a long time. I can run 2d games, or light 3d games very well, but I cant even play Rocket League without it happening. It also seems that my AC input and plug(the plug that goes into the laptop) get hot , although that might just be me noticing it more because I'm paying more attention to my plug now. Again this only happens when i play 3d intensive games, and its really getting on my nerves.
    Last edited by Phishd; 10-14-2017 at 12:35 PM.

  2. #2
    ROG Guru: Gold Belt Array Clintlgm PC Specs
    Clintlgm PC Specs
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    Yes under heavy loads your notebook demands power from both AC and your battery This is normal
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  3. #3
    ROG Guru: Green Belt Array haihane PC Specs
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    Quote Originally Posted by Clintlgm View Post
    Yes under heavy loads your notebook demands power from both AC and your battery This is normal
    wasn't there major issue(s) with GL502VS (63 pages now) because consumers were pissed this happened?

    not that there's anything wrong with what you said; but, from a user perspective, if i plug the plug in, i expect it to not slowly kill my battery.
    no siggy, saw stuff that made me sad.

  4. #4
    ROG Guru: Gold Belt Array Clintlgm PC Specs
    Clintlgm PC Specs
    Laptop (Model)Asus G752VY DH72
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    Yes at times things are what they are we just work around them. Also if you unplug your CPU and GPU with throttle down to power level present. These have been known for some times since the G751, I don't remember the issue with the G750 or G75. Compromises are made to get these powerful CPU and GPU to work in such a small crowded format as a notebook computer.
    G752VY-DH72 Win 10 Pro
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  5. #5
    ROG Guru: Green Belt Array haihane PC Specs
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    i really want to believe you, that it's something that can't be avoided. :/

    honest question: can't this thing be solved with a bigger powersupply brick out of the factory?
    no siggy, saw stuff that made me sad.

  6. #6
    ROG Guru: Gold Belt Array Clintlgm PC Specs
    Clintlgm PC Specs
    Laptop (Model)Asus G752VY DH72
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    I have no Idea haihane, I don't play games so I haven't every actually seen the issue, just know about it from reading this forum. I personally stay plugged on all the time Desktop replacement. I pack up and move from job to job but once I'm on a project I stay plugged in My G75VW lasted me nearly 5 years on the same battery it was still working as a UPS when I handed it over to a family member whom continues using it today. I'm almost a year now with this G752VY, I guess it will raise it ugly head right after my 2 year warranty runs out.
    G752VY-DH72 Win 10 Pro
    512 GB M.2 Samsung 960 Pro
    1 TB Samsung 850 pro 2.5 format
    980m GTX 4 GB
    32GB DDR 4 Standard RAM

    Z97 PRO WiFi I7 4790K
    Windows 10 Pro
    Z97 -A
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  7. #7
    ROG Guru: Green Belt Array haihane PC Specs
    haihane PC Specs
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    i like your answer, i can feel honesty in it. thanks.
    no siggy, saw stuff that made me sad.

  8. #8
    ROG Guru: Gold Belt Array Clintlgm PC Specs
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    Laptop (Model)Asus G752VY DH72
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    Well were all here to learn and try to help each other out
    G752VY-DH72 Win 10 Pro
    512 GB M.2 Samsung 960 Pro
    1 TB Samsung 850 pro 2.5 format
    980m GTX 4 GB
    32GB DDR 4 Standard RAM

    Z97 PRO WiFi I7 4790K
    Windows 10 Pro
    Z97 -A
    Windows 10 Pro

  9. #9
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    But i never had this issue previously. It just started happening in the past week. I dont understand how, games i played previously can just suddenly start causing the laptop to flip between AC and Battery power. It causes a massive drop in my FPS due to the laptop throttling the cpu and gpu down(even when on high performance mode) and is really hindering my ability to use this gaming laptop to play games.

  10. #10
    ROG Guru: Yellow Belt Array
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    I have G751JY too and I have never noticed what are you writing. Including the hot plug – never observed. I used to play The Witcher 3, Call of Duty Infinite War, Titanfall 2… for 2-3 hours per session and it is always ok.
    Looks like your power brick is defective (or battery, or some”shortcut”). I would count on the power brick. Maybe just the power cord is defective, the one with the plug… Someone maybe bent it too much or stepped/pressed it with some chair leg? Or similar? That would explain the hot plug. So it looks like your rig does not receive enough power the time it is needed = during playing heavy GPU/CPU tasks… so rig simply switches to the battery supply.
    Try to borrow some other power brick and test…

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