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  1. #1
    ROG Member Array crazyc PC Specs
    crazyc PC Specs
    MotherboardAsus Z170 Pro Gaming
    ProcessorIntel I6700K
    Memory (part number)32GB Gskill
    Graphics Card #1Asus STRIX GTX 1070 8GB OC
    Sound CardOn board
    MonitorTwin Samsung 24inch
    Storage #1250gb EVO 840 Pro
    Storage #2500gb EVO 850
    CPU CoolerCorsair Hydro H105
    CasePhanteks Evo Luxe
    Power SupplyXFX 850W
    Keyboard Logitech G710
    Mouse Logitech G502
    Headset Gamcom 788
    OS Windwos 10 Pro 64b
    Network RouterAsus AC68U

    Join Date
    Jul 2016
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    Unhappy Strange Power Issues

    Hey all
    I have some really strange issues creeping into two 12 month old builds.
    Specs are a s follows
    Z170 Pro Gaming motherboard
    Intel Core i7 6700K
    G.Skill Ripjaws V series F4 2400OC 32gb
    Strix GTX 1070 8GB OC
    Samsung 850 Pro 256gb SSD
    Samsung 850 Evo 500gb SSD
    XFX Pro Sereies 850w PSU
    Phanteks Enthoo Luxe Chassis
    Windows 10 64bit
    Bios Current 3501

    Both machines are identical, on one machine I am having an issue that when you shut down the machine using windows shut down and go to turn the machine back on using the power switch the led lights turn on in the motherboard and the main case fan turns on but that is it. You have to physically unplug the power and wait 3 or 4 minutes flush the power and plug back in and off it goes. If you do a restart it restarts no problem while in windows it flys without a single issue.
    In diagnosing the issue I have reset the power management plan in windows to default, gone into bios and turned of Fast Boot and turned on ERP S4/S5. I have also upgraded the bios which was at 1901 to the latest 3501.
    I am yet to clear the CMOS, test the memory or swap out the PSU.

    The second machine has an issue where you cannot enter bios, at first i though it was simply just booting too fast so I turned off fast boot but the same problem, the Logitech G510 keyboard simply does not send the del comand. I can enter BIOS if i plug in a PS2 keyboard. This issue only arose a day after upgrading the Bios to 3501.

    Has anyone come across either of these issues and can offer some advice..
    Edit...
    I see two other similar issues posted
    @cmoxie https://rog.asus.com/forum/showthrea...-wont-power-on
    and
    @elysium https://rog.asus.com/forum/showthrea...-won-t-boot-up

    Many thanks the craZy C
    Last edited by crazyc; 07-13-2017 at 06:44 AM. Reason: Additional information

  2. #2
    ex-ASUS Employee Array Eleiyas PC Specs
    Eleiyas PC Specs
    MotherboardASUS 970 PRO GAMING/AURA
    ProcessorAMD FX 8370
    Memory (part number)Corsair 8GB XMS3 PC3-12800 1600MHz DDR3
    Graphics Card #1XFX AMD Radeon HD 6950 - 2G
    MonitorLG Flatron E2240T 21.5'' 1080p Monitor
    Storage #1Samsung 1TB 7200RPM 32MB
    Storage #2Seagate Barracuda 2TB 7200RPM 64MB 6GB/s
    CPU CoolerAMD Wraith Cooler
    CaseNZXT Lexa S
    Power SupplyCorsair CX600 600W (Bronze)
    Keyboard Logitech Wireless AZERTY
    Mouse Microsoft Wireless
    Headset Evil Witchcraft II Gaming Headset (Black/Red)
    Mouse Pad Wild Wolf Hunter
    Headset/Speakers 4Gamers 2.1 Sound-System
    OS Windows 10 Professional - Creator's
    Network RouterZiggo

    Join Date
    Mar 2017
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    The first issue; I am sure I have seen someone else having the same thing happen - you might have to browse this sub-forum a bit to find the thread...

    The second issue you describe I have heard of - although I'm not sure if I heard it about the same motherboard.
    Something about Logitech peripherals only receiving power after POST/BIOS...

    I'll see if I can't find the corresponding threads and post them here:


    https://rog.asus.com/forum/showthrea...light=logitech
    Last edited by Eleiyas; 07-13-2017 at 10:55 AM.

  3. #3
    ROG Member Array crazyc PC Specs
    crazyc PC Specs
    MotherboardAsus Z170 Pro Gaming
    ProcessorIntel I6700K
    Memory (part number)32GB Gskill
    Graphics Card #1Asus STRIX GTX 1070 8GB OC
    Sound CardOn board
    MonitorTwin Samsung 24inch
    Storage #1250gb EVO 840 Pro
    Storage #2500gb EVO 850
    CPU CoolerCorsair Hydro H105
    CasePhanteks Evo Luxe
    Power SupplyXFX 850W
    Keyboard Logitech G710
    Mouse Logitech G502
    Headset Gamcom 788
    OS Windwos 10 Pro 64b
    Network RouterAsus AC68U

    Join Date
    Jul 2016
    Reputation
    10
    Posts
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    Thanks Elyius

    As I previously stated it is very strange that this has occurred 12 months down the track

  4. #4
    ROG Member Array crazyc PC Specs
    crazyc PC Specs
    MotherboardAsus Z170 Pro Gaming
    ProcessorIntel I6700K
    Memory (part number)32GB Gskill
    Graphics Card #1Asus STRIX GTX 1070 8GB OC
    Sound CardOn board
    MonitorTwin Samsung 24inch
    Storage #1250gb EVO 840 Pro
    Storage #2500gb EVO 850
    CPU CoolerCorsair Hydro H105
    CasePhanteks Evo Luxe
    Power SupplyXFX 850W
    Keyboard Logitech G710
    Mouse Logitech G502
    Headset Gamcom 788
    OS Windwos 10 Pro 64b
    Network RouterAsus AC68U

    Join Date
    Jul 2016
    Reputation
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    Posts
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    Update: Well ran another test 12 hours on memtest 86 and no errors, checked memory voltages and settings and all normal, reseated all connections to the PSU and low and behold system back to shutting down and turning off as it should. Well for 8 hours anyway. After leaving the machine off overnight I went to turn it on again the next day. Back to having to unplug and flush power.
    Waiting for a support request to be answered by XFX before RMA to the supplier....
    I am also experiencing a similar issue on the machine now where 1 out of 4 starts hangs but no need to unplug power. It really has done my head in.

  5. #5
    ROG Member Array crazyc PC Specs
    crazyc PC Specs
    MotherboardAsus Z170 Pro Gaming
    ProcessorIntel I6700K
    Memory (part number)32GB Gskill
    Graphics Card #1Asus STRIX GTX 1070 8GB OC
    Sound CardOn board
    MonitorTwin Samsung 24inch
    Storage #1250gb EVO 840 Pro
    Storage #2500gb EVO 850
    CPU CoolerCorsair Hydro H105
    CasePhanteks Evo Luxe
    Power SupplyXFX 850W
    Keyboard Logitech G710
    Mouse Logitech G502
    Headset Gamcom 788
    OS Windwos 10 Pro 64b
    Network RouterAsus AC68U

    Join Date
    Jul 2016
    Reputation
    10
    Posts
    6

    Another Update, if anyone is reading...I am at a loss...........

    When you press the power button on the case the mother board lights come on but that is it nothing else, no power up of fans, no post.
    Sometime when you press the power button several times the case led lights come on and the system starts, other times you have to remove the plug from the power supply and flush the power before it will start. On other occasions as you remove the plug from the PSU it boots to life so reseating the plug works.

    I have swapped out the power supply with two other working PSU’s and I get the same thing.

    The motherboard has been flashed to the latest bios and fast boot has been disabled as well as ERP S4/S5 turned on. The system is stock.
    When removing the PSU and replacing it with no peripherals connected the machine starts, connect each peripheral one at a time and it starts. When all peripherals are in and I think success it reverts back to not starting.

    I have just completed this process again by removing the test PSU and replacing the original power supply. Initially power up was achieved with just the motherboard connected, it continued to work after adding each peripheral one at a time. Thinking it was all good after I placed the side panels back on the case it reverted back to not starting when pressing the power button (which does feel a little soft compared to my other computer which is identical).
    To post I had to partially remove the power plug from the PSU.
    Of note if I restart the machine from within windows it restarts fine just not when I press the power button.
    Could this type of issue be caused by a faulty Power switch on the case, I have read of two or three other people with the same case and very similar problems who after replacing the power switch their problem went away. Or could this be the PSU, again I have read of similar issues.

    Full Specs
    Phantek Enthoo Luxe
    Asus Z170 Pro Gaming
    Intel Core i7 6700K
    32GB GSKill 2400C
    Asus ROG STRIX GTX 1070 OC
    Cosair Hydro H105 Cooler
    XFX Pro Series 850w PSU
    256gb Evo Pro SSD
    500gb Evo SSD

  6. #6
    ROG Guru: Black Belt Array Korth PC Specs
    Korth PC Specs
    MotherboardASUS X99 R5E (BIOS2101/1902)
    ProcessorHaswell-EP E5-1680-3 SR20H/R2 (4.4GHz)
    Memory (part number)Vengeance LPX 4x8GB SS DDR4-3000 (CMK32GX4M4C3000C15)
    Graphics Card #1NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Graphics Card #2NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Sound CardJDS Labs O2+ODAC (RevB), USB2 UAC1
    MonitorASUS PG278Q
    Storage #1Samsung 850 PRO 512GB SSDs, 4xSATA3 RAID0
    Storage #2Comay BladeDrive E28 3200GB SSD, 8xPCIe2
    CPU CoolerRaijintek NEMESIS/TISIS, AS5, 2xNH-A14
    CaseObsidian 750D (original), 6xNH-A14
    Power SupplyZalman/FSP ZM1250 Platinum
    Headset Pilot P51 PTT *modded*
    OS Arch, Gentoo, Win7x64, Win10x64
    Network RouterActiontec T3200M VDSL2 Gateway
    Accessory #1 TP-Link AC1900 Archer T9E, 1xPCIe
    Accessory #2 ASUS/Infineon SLB9635 TPM (TT1.2/FW3.19)
    Accessory #3 ASUS OC Panel I (FW0501)
    Korth's Avatar
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    Mar 2015
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    Try the Logitech keyboard in different USB ports - specifically, the keyboard plugged into the USB port used for ROG KeyBot, and with all other USB devices (except perhaps mouse) unplugged during boot.

    Both machines are 1 year old. Maybe check/replace motherboard CR2032 battery.

    If the only hardware change between "working boot" and "buggy boot" was closing up the chassis then compare temps with open and closed chassis. Test chassis wiring/switches with a DMM if you can. Inspect their connectors, might need to bend/straighten the pins or something.

  7. #7
    ROG Guru: Blue Belt Array davemon50 PC Specs
    davemon50 PC Specs
    Laptop (Model)Asus G752VY-DH72 (17") and Asus G752VT-DH74 (17")
    MotherboardAsus ROG LGA2011-v3 Rampage V Edition 10, x99 EATX
    ProcessorIntel Core i7-6950X Extreme 10-core 25MB Cache 3.0 GHz
    Memory (part number)Corsair Vengeance LPX Red DDR4 DRAM 64GB-4x16 3333 (CMK64GX4M4B3333C16R)
    Graphics Card #1Sapphire Nitro Radeon R9 Fury 4GB HBM Backplate
    Graphics Card #2Sapphire Nitro Radeon R9 Fury 4GB HBM Backplate
    Sound CardAsus SupremeFX Hi-Fi Audio DAC
    Monitor(2) Dell UltraSharp U2515H 25-inch monitors
    Storage #1(3) SSD's - Samsung 960 1TB M.2, Intel 535 480G, Intel 510 250G
    Storage #2(3) HDD's - Western Digital Caviar Black 2TB 3.5-in SATA III 64MB Cache
    CPU CoolerCorsair Hydro Series H80
    CaseCorsair Obsidian Series 650D Black, ATX, Mid Tower
    Power SupplyCorsair Digital AXi-Series AX1200i (1200W) 80+ Platinum Rating
    Keyboard Logitech Wireless K360
    Mouse Logitech Wireless MX Anywhere 2
    Headset HyperX Cloud II
    OS Windows 10 Pro 64-Bit
    davemon50's Avatar
    Join Date
    Apr 2017
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    For your keyboard, make sure in your BIOS you have set legacy USB devices to either AUTO or ENABLED, but not disabled. I use a Logitech wireless USB unifying receiver keyboard, and with my current board it always works well at startup, but in my previous build over the Rampage4E it sometimes had issues at startup and I had to plug in a PS2 KB to get things going. FYI I also use a Logitech wireless USB unifying receiver mouse, and it also works in the BIOS at startup. Check your legacy settings.
    Davemon50

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