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  1. #1
    New ROGer Array
    Join Date
    Jan 2019
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    Question New ASUS G531GW Laptop Seeing two GPU's and no Screen Backlighting.

    I have a bit of an odd error with my SON's just received Laptop. Out of the box it appeared the laptop was not booting up. We could however see HDD access and keyboard was lighting up etc... So we hooked up an external Monitor and the laptop was indeed working. We completed the initial setup hoping it was a driver error or something. After a couple updates and installs the screen was still not coming on.

    In windows 10 it was showing two displays and what I find odd is it says Internal Generic Monitor is using a Intel UHD 630 as its graphics adapter and the external is using the RTX 2070. I have honestly never seen this before. it was at this time we noticed as a sunlight was casting across the screen the monitor was working but there was no Backlighting.

    Tried to boot into the bios but when in the bios it wouldn't display to the external and I can only see it is in the bios menu by using a flashlight pointed at an angle to screen.

    Part of me wants to remove the base and see if there is a cable loose or something simple but as this is a brand new laptop I am not sure of warranty if I do this and there is something else majorly wrong.

    Anyone ever experience this issue? Bad Laptop or something shake loose in Shipping? Will Contact store we bought it from but they were out of stock and Son would hate to wait for a replacement if it is possible it is just something simple.

  2. #2
    ROG Guru: Orange Belt Array navis995's Avatar
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    Oct 2014
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    The fact its seeing 2 laptops is due to the optimus.

    IF you do not get any screen out of the box while very unlikely it sounds like you have backscreen issue especially since you said you can see it if you shine direct light to it. If it was the cable then you wouldn't see anything at all but who knows, it could have been the cable.

    Its annoying to be dealt with since its a new laptop but trying to see if its the cable or not it would save you a lot of hussle since you can get a new one for pennies and replacement is pretty easy.

    If would recommend to try and see if its the cable as it won't void your warranty and if you found out it is the cable indeed unless you're really anti tech savvy I'd advise you replace it yourself as otherwise you'll be without a laptop for week or even longer, unless they give you a brand new unit.
    Asus Rog G750JZ
    Screen: 1920x1080 17.3'
    CPU: Intel® Core™ i7-4700HQ (3.0Ghz @ -70mV)
    GPU: GeForce GTX 880M 4GB (OC +70Mhz Core, +400Mhz Memory @ 1.000V)
    RAM: Samsung 32GB 1600MHz
    Storage #1: Samsung Evo 840 250GB
    Storage #2: Samsung Evo 850 500GB
    Storage #3: Seagate Barracuda 2TB
    Storage #4: Samsung Evo 128GB MicroSD

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