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Thread: HELP! Brand new GA-EP45-DS3P won't boot




  1. #11
    Join Date
    Sep 2008
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    990

    Default Re: HELP! Brand new GA-EP45-DS3P won't boot

    Never heard of it, not a good sign.

    Good brands are (from the top of my head, among others): Corsair, Enermax, Seasonic, PC Power & Cooling, Be Quiet!.

    If you're not using SLI or Crossfire and no Dual GPU video card then this one is good:
    Newegg.com - CORSAIR CMPSU-400CX 400W ATX12V V2.2 80 PLUS Certified Compatible with Core i7 Power Supply - Power Supplies

  2. #12
    Join Date
    Feb 2008
    Posts
    97

    Default Re: HELP! Brand new GA-EP45-DS3P won't boot

    Quote Originally Posted by Nickel020 View Post
    Never heard of it, not a good sign.

    Good brands are (from the top of my head, among others): Corsair, Enermax, Seasonic, PC Power & Cooling, Be Quiet!.

    If you're not using SLI or Crossfire and no Dual GPU video card then this one is good:
    Newegg.com - CORSAIR CMPSU-400CX 400W ATX12V V2.2 80 PLUS Certified Compatible with Core i7 Power Supply - Power Supplies
    I hear you...

    Thing is, I don't see the point of getting yet another PSU if the motherbee, is RIP.

    My problem is almost exactly the same as this guy's (that I'm reading from another forum...)
    ... he says...:

    "new Gigabyte GA-EP45-DS3P

    The power switch, the CMOS reset switch and the reset switch, on the motherboard itself, all had their LED's shining. There are a number of diagnostic leds on the motherboard, and the ACPI LED for S4/5 was burning red.
    Then I pushed the power switch at the front of the case. The case fans started to turn, for 1-2 sec, the red ACPI led for S4/5 disappeared, the ACPI Led for S0 became green for 1-2sec, the 1st of the phase LED's also became green for 1-2 seconds, the fan in the power supply turned for 1-2sec, the fan on the video card turned for 1-2sec. And then everything stopped again.

    I first checked the 24pin main connector and the 8pin 12V connector, reseated them, and tried again. The result was the same, everything turns for 1-2sec, and then all stops.

    I then checked if I had connected the power switch cable, HDD led cable, ..etc properly, reseated it all, and tried again. No luck. After 1-2sec everything stops.
    I then removed all these cables and used the power switch that is directly on the motherboard. Again, after 1-2sec it all stops.

    I now decided to disconnect the dvd devices, and tried again. No luck.
    I then disconnected all HDD's. and tried again. No difference.
    I reseated the memory sticks and tried again. No difference. I then tried with one stick, then the other stick, then switched the sticks. All the same: after 1-2secs it all stops.

    I removed the video card and tried. No luck. The same result again.
    The same for the keyboard, the mouse.
    I also checked that at the backpanel nothing was sticking into any of the ports.

    I tried resetting the cmos, but it made no difference."

    That pretty much sums up what I did too.

  3. #13
    Join Date
    Sep 2008
    Posts
    990

    Default Re: HELP! Brand new GA-EP45-DS3P won't boot

    Well the problem is that you won't know whether it is the PSU, the RAM or the mainboard itself unless you exchange every part with one that you know to work. The problem could be caused by any of these three, and a no name PSU is the most likely cause.

  4. #14
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
    Join Date
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    Default Re: HELP! Brand new GA-EP45-DS3P won't boot

    Quote Originally Posted by nobugsonme View Post
    Mobo has 8-pin for the CPU power... but the PSU only has a 4-pin
    The PSU 4-pin connector MUST be inserted correctly into the mobo's 8-pin socket. My N650SLI-DS4 did the same thing when I didn't connect the 4-pin PSU wires to the mobo.

    It's possible that your mobo is improperly grounded to your case. With a new mobo, I always place the mobo on top of a box next to the computer case. This elimates the possiblility of a short circuit if there is a problem with the mobo's installation.

    You should verify that the 4-pin PSU connector has voltage, yellow = positive and black = netative. Pages 22 & 23 in the mobo user manual deal with the ATX_12V hookup.

    The last sentence in the 1st paragraph on page 23 says "If the 12V power connector is not connected, the computer will not start."
    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
    .


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