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  1. #71
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    I don't think a new board layout is necessary. A 230W PSU especially designed for the GL502VS and a firmware/EC upgrade for the machine to recognize the charger would suffice. The notebook then can set the energy management as needed.

  2. #72
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    Hey guys.
    So after posting this topic I have talked to the costumer service via this forum.
    They told me that I should go to my local service team and ask them to replace it "for a correct and suitable adapter".
    They said that my adapter is working well but can not provide the needed voltage and I should ask for a bigger one.
    I am going to put my machine in my local service team and will ask them to take care of it.

    I hope they could provide me a bigger adapter and fix the backlight leak that I have got one my machine (you can take a look at this thread).

  3. #73
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    Urgent message for ASUS techs

    Dear Asus Techs,
    I am a computer technician myself. I have repaired and built computers for 25 years. I personally own 6 laptops and 6 desktops at all times. I have diagnosed and troubleshot the problem of the Asus GL502VS battery draining while plugged in and gaming. I bought this laptop a week ago and almost returned it as I noticed this problem right away, but I decided to help all of you guys. I also own a Sager 8153-S, which is the EXACT same machine spec wise as this Asus. It has an i7 6700HQ, 16gb DDR4, Nvidia 1070 graphics, same IPS panel and drive configurations. The Sager DOES NOT drain battery while plugged in and gaming EVER! Also the sager CPU runs 20C COOLER (75C vs 95C on this Asus) and the GPU runs 5C cooler (72C vs 78C on the Asus) during heavy gaming. The Sager has a slightly thicker chasis with more powerful fans, so that is to be expected, but the Sager also has 4 fan profiles to choose from, one being maximum, which really is loud but cools it to below 70C gaming both gpu and cpu. Anyhow, ASUS TECHS LISTEN UP BECAUSE HERE IS THE TRUTH AND ANSWER:
    1)The Sager comes with a 230W AC PSU adapter, so I figured since the Asus comes with a 180W adapter and my kilowatt meter is reading 180W at the wall, the Asus adapter is underpowered and therefore draining even while plugged in because I see the 1070 GPU using up to 125W and 45W cpu then add the display, ram, drives, mobo, fans, speakers, wifi, etc. and you are WAY OVER 180W, not surprising the battery is being used to get up to about 200W that the system is pulling. So I used my Sager psu (has the exact same connector and volts / amps but is 230W, Alienware also had this problem where they shipped last years laptops with 180w adapters and had battery drain while plugged in, so they SENT EVERYONE A FREE 230W and did a bios update and it SOLVED THE PROBLEM FOR EVERY SINGLE LAPTOP). But to my surprise, even the 230W Sager adapter did not help, the adapter was not burning hot like the Asus, but it still had the battery drain and only pulled 180w from the wall, even though capable of more. SO PEOPLE it is not going to help to JUST have Asus send a 230W psu, that is only 90% of the problem. They DO need to send everyone at least a 225W PSU though.

    2)With a proper psu of >220W, the battery SHOULD NOT DRAIN WHILE GAMING. I can run prime 95 in the background to peg CPU at 100% and game to peg GPU at 100% and even then on the same speced Sager, THERE IS NO BATTERY DRAIN, and it is pulling about 220W from the wall to game and charge the battery. SO, there is something in the Asus bios (and I have the newest 300 version) that even with my proper 230W PSU, WILL ONLY ALLOW 180W TO GO INTO THE SYSTEM. THAT IS ABSURD! If this is the case, a simple new bios release to increase the wattage allowed to come in and charge the battery plus a new adapter >220W for everyone is all that is needed.

    3)My nightmare scenario, and if this is true I will be returning mine for a full refund and buying a competitors notebook. And I am an Asus fanboy, I have 12 Asus destop gpus, 6 Asus desktop mobos, and countless other Asus products that I am very happy with. But if there is a defect in the GL502VS motherboard or a component that restricts the system to not getting over 180w, then there is NO fixing this. I surely hope there is not this situation, and we only need another 40W added to the PSU and getting into the laptop to game and not drain the battery while plugged in. I would sure hope the Asus engineers are not completely incompetent and I have no idea how they could not have seen this issue or turned a blind eye. We are talking about a top speced $1700 laptop, not a a $300 unit. There is no excuse for the battery to be draining while gaming and plugged in.

    Lastly, I can even get the battery to drain while plugged in and NOT gaming or using the cpu barely at all. If you run just a GPU intensive benchmark or gpu only rendering with cpu almost idling, it still does this. The reason is because the most the cpu ever takes is 45W, But the 1070 shouldn't be using over 100W, and I see it using up to 125W! The 125W plus everything else just to idle the computer is already at 180W so battery drain.

    So Asus techs and engineers, the problem is the inadequate psu, something limiting a better psu from powering the system fully, and the 1070 is over volted or running way over specs. Maybe a bios release with less voltage to the 1070 would fix this as it would use A LOT less power saving 25W, and it should not be any slower, downclocked, or any problems. Actually the system will run cooler with the 1070 having less voltage. I have not found a utility to allow me to change the 1070 voltage or I would have done this myself and tested it with less voltage to get it within 100W part spec. I have tried throttlestop for the CPU at -.1 and while it doesn't do enough to solve the battery draining problem, it does get the CPU under full load down from the ridiculous 98C to about 88C, so that is worth doing. Sorry for the long post, but there is too much hoping, praying, RMAing (that doesn't work), and non-tech people in these forums trying larger psus and thing to figure this out, and they all don't work. And it is not an isolated few laptops, it is EVERY ONE made. So please get back to me and resolve this or let me know your plans so I can know whether to return this or not.

    Thanks, sincerely

  4. #74
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    Again, welcome to the forums and thanks for taking the time to post your reply to help with this issue.

    Almost don't want to post anything about it because I'm not completely in the loop and don't want to give people the wrong idea either way what will happen, but may just say for now there aren't any guarantees unless someone can post an official reply (which I wouldn't consider my post to be).

    Did want to check which bios version you were running and find out if you tried that 300 bios version.
    It doesn't seem to solve the problem, but I'm curious if anybody has seen the battery drain while plugged in and using the 300 bios while the battery is below 60%.
    Above 60% charge though expecting to hear the battery drain issue.
    Also not sure if there are any trade-offs using that 300 bios if someone wants to check into that.

    Anyway, just wanted to share a little more information about what I've heard. Thanks.
    Last edited by cl-Albert@ROG; 12-20-2016 at 02:57 AM.

  5. #75
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    I noticed the battery drain after played 3 hours of GOW4. The battery drop to 97%. I had updated to new bios 300.

  6. #76
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    Quote Originally Posted by hotstocks View Post
    Dear Asus Techs,
    I am a computer technician myself. I have repaired and built computers for 25 years. I personally own 6 laptops and 6 desktops at all times. I have diagnosed and troubleshot the problem of the Asus GL502VS battery draining while plugged in and gaming. I bought this laptop a week ago and almost returned it as I noticed this problem right away, but I decided to help all of you guys. I also own a Sager 8153-S, which is the EXACT same machine spec wise as this Asus. It has an i7 6700HQ, 16gb DDR4, Nvidia 1070 graphics, same IPS panel and drive configurations. The Sager DOES NOT drain battery while plugged in and gaming EVER! Also the sager CPU runs 20C COOLER (75C vs 95C on this Asus) and the GPU runs 5C cooler (72C vs 78C on the Asus) during heavy gaming. The Sager has a slightly thicker chasis with more powerful fans, so that is to be expected, but the Sager also has 4 fan profiles to choose from, one being maximum, which really is loud but cools it to below 70C gaming both gpu and cpu. Anyhow, ASUS TECHS LISTEN UP BECAUSE HERE IS THE TRUTH AND ANSWER:
    1)The Sager comes with a 230W AC PSU adapter, so I figured since the Asus comes with a 180W adapter and my kilowatt meter is reading 180W at the wall, the Asus adapter is underpowered and therefore draining even while plugged in because I see the 1070 GPU using up to 125W and 45W cpu then add the display, ram, drives, mobo, fans, speakers, wifi, etc. and you are WAY OVER 180W, not surprising the battery is being used to get up to about 200W that the system is pulling. So I used my Sager psu (has the exact same connector and volts / amps but is 230W, Alienware also had this problem where they shipped last years laptops with 180w adapters and had battery drain while plugged in, so they SENT EVERYONE A FREE 230W and did a bios update and it SOLVED THE PROBLEM FOR EVERY SINGLE LAPTOP). But to my surprise, even the 230W Sager adapter did not help, the adapter was not burning hot like the Asus, but it still had the battery drain and only pulled 180w from the wall, even though capable of more. SO PEOPLE it is not going to help to JUST have Asus send a 230W psu, that is only 90% of the problem. They DO need to send everyone at least a 225W PSU though.

    2)With a proper psu of >220W, the battery SHOULD NOT DRAIN WHILE GAMING. I can run prime 95 in the background to peg CPU at 100% and game to peg GPU at 100% and even then on the same speced Sager, THERE IS NO BATTERY DRAIN, and it is pulling about 220W from the wall to game and charge the battery. SO, there is something in the Asus bios (and I have the newest 300 version) that even with my proper 230W PSU, WILL ONLY ALLOW 180W TO GO INTO THE SYSTEM. THAT IS ABSURD! If this is the case, a simple new bios release to increase the wattage allowed to come in and charge the battery plus a new adapter >220W for everyone is all that is needed.

    3)My nightmare scenario, and if this is true I will be returning mine for a full refund and buying a competitors notebook. And I am an Asus fanboy, I have 12 Asus destop gpus, 6 Asus desktop mobos, and countless other Asus products that I am very happy with. But if there is a defect in the GL502VS motherboard or a component that restricts the system to not getting over 180w, then there is NO fixing this. I surely hope there is not this situation, and we only need another 40W added to the PSU and getting into the laptop to game and not drain the battery while plugged in. I would sure hope the Asus engineers are not completely incompetent and I have no idea how they could not have seen this issue or turned a blind eye. We are talking about a top speced $1700 laptop, not a a $300 unit. There is no excuse for the battery to be draining while gaming and plugged in.

    Lastly, I can even get the battery to drain while plugged in and NOT gaming or using the cpu barely at all. If you run just a GPU intensive benchmark or gpu only rendering with cpu almost idling, it still does this. The reason is because the most the cpu ever takes is 45W, But the 1070 shouldn't be using over 100W, and I see it using up to 125W! The 125W plus everything else just to idle the computer is already at 180W so battery drain.

    So Asus techs and engineers, the problem is the inadequate psu, something limiting a better psu from powering the system fully, and the 1070 is over volted or running way over specs. Maybe a bios release with less voltage to the 1070 would fix this as it would use A LOT less power saving 25W, and it should not be any slower, downclocked, or any problems. Actually the system will run cooler with the 1070 having less voltage. I have not found a utility to allow me to change the 1070 voltage or I would have done this myself and tested it with less voltage to get it within 100W part spec. I have tried throttlestop for the CPU at -.1 and while it doesn't do enough to solve the battery draining problem, it does get the CPU under full load down from the ridiculous 98C to about 88C, so that is worth doing. Sorry for the long post, but there is too much hoping, praying, RMAing (that doesn't work), and non-tech people in these forums trying larger psus and thing to figure this out, and they all don't work. And it is not an isolated few laptops, it is EVERY ONE made. So please get back to me and resolve this or let me know your plans so I can know whether to return this or not.

    Thanks, sincerely
    Wow. This is very informative. I've been having mine for 2 weeks now. I'm not sure if i can RMA in my country, it would be very great if they just change the PSU and a BIOS update and fix this problem. I really like this laptop and it comes with ROG Cerberus headset and Sicca mouse. Would be a shame if i RMA it

  7. #77
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    The upcoming GL502VSK has a 230w adapter.

    It would suck if Asus weren't able to update the GL502VS to take the 230w adapter and told you all to pound sand.
    I hope Asus has a backup plan.

  8. #78
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    Underclock

    So I also noticed that underclocking the gpu 100 mhz actually increases FPS, probably cuz it is not throttling. But also sometimes this gpu is running way out of spec. Max boost should be 1645mhz per Nvidia, and I have seen mine at over 1900 mhz at default settings!!! No wonder it is so hot. Yes I am on 300 bios. They really need to put out a new bios that caps the 1070 at 1645mhz boost properly, turns the gpu voltage down about -.5v, since it should be running at about 875-900mv and is running at over 1.1mv, and allow larger chargers to supply more than 180w to the laptop.

  9. #79
    ROG Guru: Green Belt Array Dreamonic PC Specs
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    Laptop (Model)ASUS GX800VH-XS79K
    MotherboardASUS GX800VHK (Intel CM238/IDA154) w/Custom BIOS
    ProcessorIntel Core i7-7820HK @ 4.8Ghz (+150mV) FCBGA 1440
    Memory (part number)64GB (PC4-22400) @ 18-18-18-38-53 (76.D305G.D060B)
    Graphics Card #1NVIDIA GeForce GTX 1080 8GB (GP104) OC @ +200/+800 w/Custom VBIOS
    Graphics Card #2NVIDIA GeForce GTX 1080 8GB (GP104) OC @ +200/+800 w/Custom VBIOS
    MonitorASUS PG348Q 34" 3440x1440 @ 100Hz w/G-SYNC (mDP-to-DP)
    Storage #13x Samsung 512GB NVMe SSD RAID0 (S316NY0HA00959)
    CPU CoolerASUS GX800VHK Water Cooling Dock
    CaseASUS GX800VHK Chassis
    Power SupplyASUS 2x 330W Power Adapter (AC 100~240V, 50/60Hz, 16.9A/19.5V)
    Keyboard ASUS ROG Claymore
    Mouse ASUS ROG Spatha
    Headset ASUS STRIX 7.1 Gaming Headset
    Mouse Pad ASUS ROG Whetstone
    OS Windows 10 Pro x64 / Arch Linux w/KDE Plasma
    Network RouterAsus ROG Rapture GT-AX11000 + GT-AC5300
    Accessory #1 Kensington 4 Port USB 3.0 Hub (K33978WW)
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    Pascal GPUs function this way. What you see in GPU-Z or NVIDIA specs is half the story and not the "max" 3D boost clock possible. 1645Mhz ~ 1911Mhz is achievable based on my finds already here: https://rog.asus.com/forum/showthrea...-quot-WIP-quot

    When you OC Pascal, the "max" 3D boost clock is ALSO raised by the value defined, not just the TDP boost clock. Essentially increasing the RANGE with it.

    It also hits a TDP limit of 115W and DOES in fact go over it momentarily until throttling occurs to stay under the limit. I've seen well over 125W myself under certain conditions at stock but clocks dynamically decrease/increase per meeting or exceeding these limitations of GPU Boost 3.0. I've had well over 170W+ with a shunt mod to the VRM of my 1070 already. Battery power drain was at a rate that after every FIRE STRIKE benchmark run, I was under 80%. This however, allowed me to keep boost clocks well above 2050+ with +200 to the core and +600 to the memory.

    I've got the G752VS model and just flashed the GL502VS 1070 VBIOS to see if any differences are present after thoroughly comparing both. Besides the lower power drop-off when TDP throttling does occur, which is higher in the 1070 G752VS VBIOS compared to the GL502VS 1070 VBIOS, and is such, that the GL502VS 1070 VBIOS allows me to keep core clock around 1800+ and higher on average whereas the G752VS 1070 VBIOS was near 1700+ due to the time it takes for boost clocks to reach highest attainable given the TDP limit defined in the VBIOS already. Suppose you try flashing the G752VS 1070 VBIOS and see what results you get with it, or don't! Enough said there.

    The voltage at higher boost clocks stayed the same in both ROMs. I get the same battery drain as well with my model in stock configuration even, despite shipping with a 230W adapter which is more than sufficient power for the 1070 laptop model given the limits in the VBIOS already (clocks are already lower than desktop 1070 GPUs). This battery behavior has been around since before the early G75 series even, it's just more apparent since these newer models finally allow (although I don't get the allure) substantially better gaming performance on battery now. Since people still seem to use these notebooks for gaming away from a wall outlet. Therefore, the shared power delivery is designed in such a way to use the battery primarily before switching to full AC.

  10. #80
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    I updated to BIOS 300 and what I found out so far is this: I get better temps while gaming, but I usually raise the unit by an inch on the back to improve airflow. Also when playing Forza Horizon 3 (a very demanding game) The battery would discharge to about 91 % and then be charged up again while gaming. I didn't notice any worrying fps-drops. Its hard to tell I guess as FH3 runs very inconsitantly to begin with.

    Also the battery won't charge at all before it loses charge below 95 %, which is part of a battery conservation mechanism. So even when idling it will eventually discharge while being plugged in. It just happens quicker while gaming. I don't think this discharging issue is as bad as it sounded at first. Still I would be really happy to get a more suitable PSU so the unit would become totally indepentend from the battery.

    [EDIT]
    @Dreamonic
    Wow, thanks for taking the effort and sharing your insights with us.
    Does thar also mean that the GL502VS' 1070 should perform slightly better than the one of your GL75VS?
    Last edited by apemonkeychimp; 12-20-2016 at 10:33 AM.

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