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Thread: GA-EP45-UD3P Will Not Power Up




  1. #1
    Join Date
    Dec 2008
    Location
    Houston, Texas USA
    Posts
    9

    Angry GA-EP45-UD3P Will Not Power Up

    Just assembled this board with the following parts;

    GIGABYTE GA-EP45-UD3P LGA 775 Intel P45 ATX Intel Motherboard
    Intel Core 2 Quad Q6600 Kentsfield 2.4GHz LGA 775 Quad-Core Processor Model BX80562Q6600
    G.SKILL PI Black 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model F2-6400CL4D-4GBPI-B
    SAPPHIRE 100245L Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card
    CORSAIR CMPSU-650TX 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Power Supply
    Western Digital Caviar SE16 WD5000AAKS 500GB 7200 RPM SATA 3.0Gb/s Hard Drive
    LITE-ON 20X DVD±R DVD Burner with LightScribe Black SATA Model iHAS220-06

    When I plug in the power supply & turn it on, nothing happens. No fans, no lights, nothing.

    I checked the power supply per the instructions at CORSAIR web site by jumping green wire & black wire on the big 24 pin connector and the PSU fires up as do fans connected to it.

    Where do I go from here? At this point everything is connected to the mobo except power. do I start by removing everything and trying to boot with nothing connected to the mobo except the cpu?

    I'm fairly technically skilled but this is my first computer build. Any help is appreciated.

  2. #2

    Default Re: GA-EP45-UD3P Will Not Power Up

    You can start by setting up your PC outside your case, like ontop a table or desk or something with only essential parts, i.e motherboard, PSU, GFX, one stick of RAM and your CPU of course. Make sure all connections on the motherboard are correct, especially the ones for your front panel connector. Only the power and reset button will need to be connected for now.
    Nothing is impossible... Just mathematically improbable..

    "The best defense against computer viruses might not even be antivirus software, but a crafty combination of education and common sense."

    Intel Pentium e5200 @ 3.8HZ (380 X 10)
    Giga-byte GA-EP35-DS3L
    Mushkin 4GB DDR2 800 @ 760MHZ 4-4-3-10 @ +0.3v
    SAPPHIRE 100245L Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16
    Seagate 160GB @ 7200rpm
    SB Audigy2
    Corsair 520HX
    Super Antec Lanboy
    Windows 7 Ultimate 64bit RTM
    Acer AL2216Wbd 22"

  3. #3
    Join Date
    Dec 2008
    Location
    Houston, Texas USA
    Posts
    9

    Default Re: GA-EP45-UD3P Will Not Power Up

    I just looked at the QVL for memory & G.SKILL was not on the list. Could this be the root of the problem? I'm in the process of pulling the board out of the case as suggested and continuing the troubleshooting process.

    Thanks soldier for the quick reply.

  4. #4

    Default Re: GA-EP45-UD3P Will Not Power Up

    No problem.

    If you don't succeed with the out of case boot then you're going to have to start swapping out parts one by one until you come up with the culprit.

    I don't always follow the QVL to the "T", but that's just me.
    Nothing is impossible... Just mathematically improbable..

    "The best defense against computer viruses might not even be antivirus software, but a crafty combination of education and common sense."

    Intel Pentium e5200 @ 3.8HZ (380 X 10)
    Giga-byte GA-EP35-DS3L
    Mushkin 4GB DDR2 800 @ 760MHZ 4-4-3-10 @ +0.3v
    SAPPHIRE 100245L Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16
    Seagate 160GB @ 7200rpm
    SB Audigy2
    Corsair 520HX
    Super Antec Lanboy
    Windows 7 Ultimate 64bit RTM
    Acer AL2216Wbd 22"

  5. #5
    Join Date
    Dec 2008
    Location
    Houston, Texas USA
    Posts
    9

    Default Re: GA-EP45-UD3P Will Not Power Up

    I have disconnected everything from the MOBO except for PSU, 1 stick of memory & it's in slot #1, the video card and the front panel switch. Still nothing. The front panel switch has a yellow wire & a white wire. I have assumed the yellow was positive and connected it as such. Still nothing. Any ideas would be appreciated.

    BTW, I did try reversing the power switch hookup & still nothing.

    I'm off to run errands and will check in later this afternoon, (GMT -6)

  6. #6

    Default Re: GA-EP45-UD3P Will Not Power Up

    You're gonna have to start with swapping out the memory then..
    Nothing is impossible... Just mathematically improbable..

    "The best defense against computer viruses might not even be antivirus software, but a crafty combination of education and common sense."

    Intel Pentium e5200 @ 3.8HZ (380 X 10)
    Giga-byte GA-EP35-DS3L
    Mushkin 4GB DDR2 800 @ 760MHZ 4-4-3-10 @ +0.3v
    SAPPHIRE 100245L Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16
    Seagate 160GB @ 7200rpm
    SB Audigy2
    Corsair 520HX
    Super Antec Lanboy
    Windows 7 Ultimate 64bit RTM
    Acer AL2216Wbd 22"

  7. #7
    Join Date
    Dec 2008
    Location
    Houston, Texas USA
    Posts
    9

    Default Re: GA-EP45-UD3P Will Not Power Up

    Would bad memory cause this no power sutuation?

  8. #8

    Default Re: GA-EP45-UD3P Will Not Power Up

    Maybe not BAD, but the settings in the bios could be wrong for the RAM, eg - voltage...
    Nothing is impossible... Just mathematically improbable..

    "The best defense against computer viruses might not even be antivirus software, but a crafty combination of education and common sense."

    Intel Pentium e5200 @ 3.8HZ (380 X 10)
    Giga-byte GA-EP35-DS3L
    Mushkin 4GB DDR2 800 @ 760MHZ 4-4-3-10 @ +0.3v
    SAPPHIRE 100245L Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16
    Seagate 160GB @ 7200rpm
    SB Audigy2
    Corsair 520HX
    Super Antec Lanboy
    Windows 7 Ultimate 64bit RTM
    Acer AL2216Wbd 22"

  9. #9
    Join Date
    Dec 2008
    Location
    Houston, Texas USA
    Posts
    9

    Angry Re: GA-EP45-UD3P Will Not Power Up

    I'm thinking to RMA the MOBO & CPU because no help from GIGABYTE...

    Are you there and can you offer any suggestions?

  10. #10
    Join Date
    Jul 2008
    Location
    BigTen
    Posts
    60

    Default Re: GA-EP45-UD3P Will Not Power Up

    Is the EPS12V harness attached to the 8-pin motherboard connector?
    Is the CPU fan connected to the correct CPU fan header?
    hth
    Gigabyte P35-S3G . 50mm Fan on MCH +0.2v
    Intel E6500 (9 x 420) 3780mHz 1.33125v
    G.Skill 4x1GB
    PC2-6400-NQ
    840mHz +0.2v
    Gigabyte HD4850 . Acer X223W . Acer X193W+
    Rosewill
    RP500-2 . WD WD3200AAJS . Masscool 8WA741

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