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Thread: Cannot power up H77 Pro4/MVP system




  1. #11
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: Cannot power up H77 Pro4/MVP system

    The next usual step is removing the board from the case, and assembling a bare minimum "PC" with the board sitting on a box. That would be with the CPU cooler mounted, memory in place, PS connected, and video capability (on board or video card), without any drives connected.

    You start a setup like that by shorting the two power switch pins on the header. Of course, that does not seem to work for you, so you may question the point of this. This setup removes the PC case from the system, to test if mounting the board somehow caused a short circuit.

    Another thing you can try is removing all the connections to the switch/LED header, have nothing connected to it. Then try to start the PC by shorting the two power switch pins.

    Beyond all this, having a PC shop test it is about all this is left, or return the board for another.

  2. #12
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Cannot power up H77 Pro4/MVP system

    I've seen 2 cases where the RESET switch was faulty (it was always ON) and this prevented the systems from booting.
    Your power supply might be OK with low electrical loads (2 fans) but failing when more power is required.
    See if you can borrow another psu to test with.

    Definitely remove your motherboard from the computer case and set it beside your computer case before you do the minimal hardware test.
    Only connect one memory module to the correct memory slot and disconnect every piece of hardware that isn't required for booting into the bios.
    Can you borrow one 4GB memory module to test with?
    Try booting with a ps/2 keyboard.
    Don't use any usb 3.0 ports.
    Disconnect your video card and connect your monitor to the correct back panel video output port.
    Connect a case speaker to the front panel header to see if there are any beep error codes.

    You might need to carefully remove and reseat the cpu and its heatsink.
    Make sure that there isn't any thermal grease (aka TIM) on the underside of the cpu or in the cpu socket pins.
    Use a magnifying glass to carefully inspect for any bent or damaged cpu socket pins.
    Finding bent pins is very difficult, you might need to take high resolution macro photo (with even lighting) of the socket pins and post the picture. Try to get the cpu socket so that it fills the frame as much as possible.

    Bent cpu pins:

    Cannot power up H77 Pro4/MVP system-cpu-socket-bent-pins-example-crop_75-jpg
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  3. #13
    westonpk is offline Junior Member
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    Default Re: Cannot power up H77 Pro4/MVP system

    It's working, now.

    I disconnected the front panel connectors, including the USB3 connector. I shorted out the power switch pins and the fans started spinning.

    I reattached the front panel connectors one at a time, starting with the power switch, and tried powering up. It worked until I tried attaching the USB3 connector. Long story short, after making sure the USB3 connector was seated properly, everything worked.

    Up until this time I always had the USB3 connector attached, which is probably why shorting out the power switch connectors didn't work. According to the .pdf manual:

    Sometimes the PSU will “latch” into a protected shutdown state. This means that you will need to power off the PSU and clear the fault before it will function again.

    Apparently, reseating the USB3 connector cleared the fault.

    Of course, I would probably be printing out a bunch of RMA shipping labels right now if it weren't for the help I've received in this forum. Thanks, one and all.

    And now, on to the NEXT problem . . .

  4. #14
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Cannot power up H77 Pro4/MVP system

    Glad to hear that you solved the problem.
    Is it possible to connect the case's front panel usb 3.0 cable bass ackwards?
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  5. #15
    westonpk is offline Junior Member
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    Default Re: Cannot power up H77 Pro4/MVP system

    Quote Originally Posted by profJim View Post
    Glad to hear that you solved the problem.
    Is it possible to connect the case's front panel usb 3.0 cable bass ackwards?
    I'm not sure. The USB3 connector didn't have very well defined notches/clips/slots. I think it was just not in all the way.

    FWIW, I had opened a Trouble Ticket with Antec about my problem with the power supply. They came up with the paper clip test after parsec did. When I closed the ticket, I added a comment saying the on-line (.pdf) manual should contain a basic troubleshooting section (Is the psu plugged in? Check the on-off switch. Reset all connections. Run the paper clip test. etc). Let's all hold our breath waiting for THAT update.

    So far, I've installed Windows 7 x64 Enterprise, including the updates, McAfee, and my email client. Looking good so far . . .

  6. #16
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Cannot power up H77 Pro4/MVP system

    That's why I asked about possibly reversing the usb 3.0 connector.
    You must look carefully at the usb cable connector and verify that the "no pin" connector is properly aligned with the usb socket.
    I've seen some usb 3.0 cable end pictures on the web that do not have the "no pin" corner connector plugged to prevent the user from incorrectly plugging the cable end into the usb 3.0 socket.

    All of the internal usb 2.0 cables that I've used have have a plug in the "no pin" position to prevent improper installation, but if someone was careless and reversed the connector, they could bend the one of the USB 2.0 +5V pins if they forced the connector.

    Page 33 in your mobo user manual shows the pinout motherboard diagrams.

    This diagram is from the web:
    Last edited by profJim; 04-21-2013 at 04:41 AM.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  7. #17
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: Cannot power up H77 Pro4/MVP system

    Quote Originally Posted by westonpk View Post
    I'm not sure. The USB3 connector didn't have very well defined notches/clips/slots. I think it was just not in all the way.

    FWIW, I had opened a Trouble Ticket with Antec about my problem with the power supply. They came up with the paper clip test after parsec did. When I closed the ticket, I added a comment saying the on-line (.pdf) manual should contain a basic troubleshooting section (Is the psu plugged in? Check the on-off switch. Reset all connections. Run the paper clip test. etc). Let's all hold our breath waiting for THAT update.

    So far, I've installed Windows 7 x64 Enterprise, including the updates, McAfee, and my email client. Looking good so far . . .
    Great, that was nothing major fortunately, although a seemingly dead PC is pretty major

    The USB 3.0 connectors on the cable, and mother board are not designed very well IMO. They are loose when plugged in, the pins in the socket are tiny and easily damaged, and there is barely if any locking mechanism in the plug and connector. Add to that the fairly stiff cable used, a pair of them in some cases, and I can see why you had problems. USB 2.0 headers on mother boards are so much more secure by comparison.

    Think of the problems this connection could cause, people RMAing boards that won't start for this simple reason. We should file this fix in our bag of mother board diagnostic tricks.

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