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  1. #1
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    Laptop looses connection with the power adapter g750jh

    Hello,

    Twonweeks ago my laptop stopped recognizing the power adapter at all, I took it for a repair and the guy replaced the power adapter on the mother board along with the battery and the power supply.
    Now it does show a connection and charging but while playing games it looses the connection every 2 minutes for 5-10 seconds causing fps drops and lags which makes it totally unusable. Is there anything I can do to repair it or is it just a bad bach? If so will asus replace the laptop entirely?
    Thank you for your time.

  2. #2
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    I can't really help much, but I can tell you that you're not the only one experiencing this problem. Mine has just recently started doing this as well.

  3. #3
    ROG Guru: Platinum Belt Array hmscott PC Specs
    hmscott PC Specs
    Laptop (Model)Asus G750JH-DB71 (legacy)
    MotherboardAsus G750JH Intel HM87
    ProcessorIntel i7-4700HQ XTU Cores 36x/35x/34x/34x Cache 36x -50mV undervolt
    Memory (part number)Hyundai Electronics HMT41GS6AFR8A-PB 1.35v DDR3L-1600MHz
    Graphics Card #1Nvidia 780m Asus GPU Tweak OC 932mhz/6300mhz
    Sound CardRealtek v6.0.1.7469 driver
    MonitorAUO B173HW02 V1 Custom Refresh 85hz
    Storage #1RAID0 2x M.2 SATA Crucial MX200 512GB CT500MX200SSD6
    Storage #2Crucial 512GB 2.5" MX200 CT500MX200SSD1
    Power Supply230w AC Power Adapter 19.5v
    Keyboard Logitech k400 Wireless KB/Trackpad
    Headset Sony MDR-XB500 Wired and Sennheiser RS-220 Wireless TOSLINK
    OS Windows 8.1 + 8 Linux VM's + Windows 10 Technical Preview
    Network RouterAsus RT-AC68U DLINK DIR-655

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    Quote Originally Posted by Mops4ever View Post
    Hello,
    Twonweeks ago my laptop stopped recognizing the power adapter at all, I took it for a repair and the guy replaced the power adapter on the mother board along with the battery and the power supply.
    Now it does show a connection and charging but while playing games it looses the connection every 2 minutes for 5-10 seconds causing fps drops and lags which makes it totally unusable. Is there anything I can do to repair it or is it just a bad bach? If so will asus replace the laptop entirely?
    Thank you for your time.
    Mops4ever, Asus will still fix it for you. Just tell them what happened, and ask politely to please help you out of this jam. They might complain about a 3rd party doing non-warranty repairs, but let them know you apologize for doing that and would they please help.

    They don't have to, since you voided the warranty by having a non-Asus approved shop fix it - I am assuming they aren't an Asus shop - if they are then take it back and ask them to please fix their work.

    Asus won't replace the laptop, but they can fix the problem for you.

    https://vip.asus.com <== create a login, register your laptop, file a Technical Inquiry giving Asus the symptoms and ask for their help to debug/RMA repair the laptop.

    Please come back and let us know how it works out

  4. #4
    ROG Guru: Yellow Belt Array code9523 PC Specs
    code9523 PC Specs
    Laptop (Model)ASUS G750JH 3D Custom!
    MotherboardG750JW Motherboard REV 2.0 PCB Made in China)))
    ProcessorIntel Core i7 4700HQ
    Memory (part number)4x8GB DDR3 1600MHz HMT41GS6AFR8A-PB
    Graphics Card #1NVidia GTX780M with G750JZ Copper Heatsink
    Sound CardRealtek Hig Definition Audio
    MonitorSamsung LTN173HT02 [17.3" 120Hz 3D LCD]
    Storage #1120GB (OS) 240GB (Games) Kingston HyperX Fury SSD's
    Storage #2750GB WD Black (7200 RPM)
    CPU CoolerStock G750JH cooler
    CaseStock G750JH
    Power Supply230W (ADP-230EB)
    Keyboard Mod G750JZ
    Mouse ASUS ROG Gladius
    Mouse Pad CYBORG G.L.I.D.E.7
    Headset/Speakers SVEN =)
    OS Windows 10 Home x64
    Network RouterZTE
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    Hi guys try to uninstall power 4 gear. It helped for me when battery was discharging while gaming.
    Asus G74SX> Asus G55VW 3D> Asus G75VW 3D> Asus G750JW> Asus G750JX> Asus G750JH

  5. #5
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    > you're not the only one experiencing this problem.

    Thats interesting - are there any threads with this issue?

    I ask because I've noticed a VERY strange power issue on my G750jh. I'm still trying to work out what exact sequence of events triggers the problem but it goes something like this,

    1) I let the battery run down and the orange power light starts to flash.
    2) After this, *sometimes*, the laptop will refuse to recognise the charger. No lights will come on and and the laptop will refuse to charge.
    3) If I leave it a few days, *eventually* it will suddenly recognise the charger, the orange light will come back on and it will charge back up.
    4) Once charged up, it will be absolutely fine charging for a few days to a few weeks except every so often it will switch from AC to battery.
    5) *sometimes* it just refuses to recognise the charger again after 4 above.

    I'm now on my 4th or fifth cycle of this happening and I've only not RMA'd it until now due to using it as a desktop!

    I'd assumed it was something to do with the power jack BUT the way it suddenly bursts into life again with rock steady stability suggest that it isn't (also there is a lack of heat on the charger tip which I have had before with other laptops and power jack issues), I've tried two different chargers with the same issue so it isn't the charger. I've tried removing the battery without any luck.

    Oh, and I ask if there are any threads on this because, once again the laptop is charging and if I send it back I get the feeling that the techies will just think I am wasting their time.

  6. #6
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    I think I have the same problem, however, I couldn't really find a lot of other threads describing this issue.

    If I start my g750jh without the battery, then it will work for a couple of minutes, then suddenly shut down. If I keep the battery in, it will sometimes just lose detection of the charger and drain the battery, even if the notebook is plugged in. Sometimes after playing a game I just realize that it drained the battery down to 75% or something like that. If it is discharging however, the estimated time remaining seems way to high (5 hours), so I guess it is still somehow using the charger, too.

    I'm running a dual boot with Win 8.1 and Ubuntu and it happens on both systems, so in my opinion it must be something beneath the operating system. Thus I've upgraded the BIOS to the latest version, but the only noticeable effect is that it doesn't recognize my external monitor anymore until the OS is up and running :-( The problem still remained the same.

    Does anyone have the same issue? It seems like I can only send it in to be fixed, but that is a very big fuss, so I'd like to avoid it if somehow possible. I haven't tried a different charger, but I've measured my charger and it seems to work and supply steady power. So I doubt that replacing the charger would fix it, also it seems very erratic, not like a loose contact or similar (since it happens without movement as well).

  7. #7
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    The thing is that no one from asus will help you... they do nothing! really! i even recorded on phone how my laptop starts to switch power. but in service they done nothing for 3 weeks. i guess i just sit hee and wait till some one willfind the answer... 1200$ wasted

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