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Thread: EP45 DQ6 Boot Loop




  1. #1
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    Default EP45 DQ6 Boot Loop

    Thanks for providing such a valuable tool and website. Just a NOB here.

    This has three types of failure all involving the boot cycle.

    My idea is the Power supply has failed.

    Things I have done:

    Checked all devices are installed and contacts are good. Cleared the time bios reserve by removing battery and killed the bios till time resets.

    1st type failure:

    After the computer sits for a while I will turn the computer on. It will cycle through checking memory. Then it freeze at DMI Pool Data. It will hang there with S01 light being green. Then it is done. Additionally trying to enter the Bios will cause a lock. Frozen like arctic.

    2nd type failure

    Restart after the top failure the computer will then go Bios to blank screen no LED lights lit. If I try to enter the Bios the computer freezes at that point. With which ever key I press. However it will be frozen like the arctic.

    3rd type failure

    Restart after second failure. Video will just flash to turn the monitor on. Then it will go blank screen. Powered screen because it does not turn off. Nothing more. No LED lights nothing. Frozen like the arctic.

    In all cases the 12 LED lights for the CPU are all lit. When the computer freezes the Keyboard freezes no lights. However there is power to the USBs as I tested this with a thumb drive which does light.


    My theory is this: as the power supply warms up over time it either overheats or capacitor leak. However to the touch it does appear warm however not hot. Additionally because I think the 750watt power supply is underpower leads me even think this further. (4 Sata HD, 1GIG Radeon, Dual core 3.0, Sata control PCI HDMI controler)

    Please confirm or tell me it flawed in my thinking. Also what size PS should I get.

    Thanks in Advance.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP45 DQ6 Boot Loop

    I think 750W PSU is probably fine, but you didn't list your exact full specs so it's hard to say for certain but I bet the size is not the issue.

    It could just be the power supply is going bad? When it does work, does it stay on long enough for you to feel safe flashing the BIOS? If so update to the latest BIOS to see if that helps. What BIOS are you using now?

    Can you test with other memory? Could be bad memory as well so I would test that as soon as you can too.

  3. #3
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    Default Re: EP45 DQ6 Boot Loop

    No way to flash Bios. It is on maybe 3 mins tops and any key functions freezes it and locks me out. I have cycled the memory through. (4 sticks 2 gigs each) No Change... Plus when before it goes to DMI pool failure it reads all 8 gigs. Letting it calm down for a bit then I can post Bios version.

    Though I could test the memory in other machines.

    The thing that I guess has me is there are no led lights and it did work then bang it failed.


    More background. I transported this computer via ship USA to Philippines. When I unboxed and tried to start it no luck Sherlock. Worked before I left.

  4. #4
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    Default Re: EP45 DQ6 Boot Loop

    When you shipped your computer, was the cpu cooler attached to the motherboard?
    What brand/model is your cpu cooler? Is the cooler securely attached to the motherboard?

    Can you borrow another psu to test with in your machine? This should help determine if your psu is failing.

    Have you tried booting with a minimal hardware setup where you only have a cpu, video card/monitor, one memory module in slot #1, and a ps/2 keyboard? Disconnect all hardware that isn't needed for you to boot into your bios.

    Please list your full hardware setup in your forum signature.
    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. #5
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    Default Re: EP45 DQ6 Boot Loop

    In all my thinking I did not think the CPU. Because of the LED Lights.

    However it has a cool master.

    EP45 DQ6 Boot Loop-cpu_cooler_charts_2008_part_ii___cooler_master_hyper_tx2_installed-jpg

    It has a MAC OS and Vista in dual boot via USB controller.
    (eFix V1)

    Not much in the way of things.

    Firewire attachments none. CD DVD yes. Radeon Video Card 1gig. 4 Hard drives. Corsair 2gig Ram X 4. HDMI controler removed. Corsair 750tx power supply. No IDE devices. All sata. Pretty generic. The Efix flopped around in the case. Now I am worried about that damn CPU. Though it seems fixed very well it does not take much. Will get a diffrent power supply and test. Just pull it from a machine. Run only Video card, One ram in slot one. We will see..... Going to try a minimal boot.

  6. #6
    profJim's Avatar
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    Default Re: EP45 DQ6 Boot Loop

    It's possible that the heavy cpu cooler might have damaged the mobo through flexing due to "rough" handling.
    What is the model number of the cpu cooler? Is it secured to the back side of the mobo with a mounting bracket? Is it mounted with push-pins?
    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. #7
    Lsdmeasap's Avatar
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  8. #8
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    Default Re: EP45 DQ6 Boot Loop

    Ok guys and gals. You ever stare at something so long and just kick yourself. Well I had been doing that for a few hours today.

    Followed the last advice. I removed every single piece of hardware. 1 memory slot no hard drive and a Video card. It worked. Bios I am in. Plugged in the efix it worked. The whole way through the DMI Pool Data. Smile..... Just glad to have other people to bounce ideas off of.

    I guess I got hung on lights and it worked when I left. To not think it through. Either way I will post back with the final result of failure.

    Thank You to everyone that read this and had an idea no matter if shared or not.

  9. #9
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: EP45 DQ6 Boot Loop

    "We get too soon old, and too late smart".

    Glad to hear that you're making progress.
    Don't feel bad, sometimes you need to remove the mobo from the case and then test by swapping one piece of hardware at a time.
    And the guilty hardware culprit is .....
    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
    .


  10. #10
    Lsdmeasap's Avatar
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    Default Re: EP45 DQ6 Boot Loop

    Nice to see you are making some progress now!

    Good luck finding the issue, you'll find it don't worry just keep at it :)

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