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Thread: GA-EP35C-DS3R not POSTing

  1. #1
    Join Date
    Aug 2011

    Default GA-EP35C-DS3R not POSTing

    Above mo/bo was working fine then when I switched it on the other day it would not POST. Power light on (on case) and HD LED on steady, also all phase LEDs on mo/bo lit.

    I have checked the PSU and all voltages are good.

    Stripped the mo/bo back to just RAM and CPU, no graphic card or other add-in cards nor any HDs connected.

    Symptoms the same. Won't POST, power, HD LED and all phase LEDs lit.

    From this info can anyone deduce if it's the mo/bo or CPU at fault?


  2. #2
    Join Date
    Dec 2010
    Near Toronto but not in it

    Default Re: GA-EP35C-DS3R not POSTing

    I still wouldn't rule out the Power supply, I've had it were the PSU outputs the proper voltages on all the rails but on the +12V rail didn't have enough current to drive anything in that specific rig anymore... .But I'm still using it in a much smaller PC today...

    Do you have a spare PSU that you use as a test?

    also can you list a complete hardware list of what you are using? and possible settings from the bios if you had an overclock... also include your cooling methods please.

    Main Rig
    OS = Win10-64Bit
    CPU = Ryzen 1700x Overclocked to 4Ghz with custom water-cooling loop
    Mem = 16GB RAM @ 3200Mhz
    MB = Asus ROG C6H
    GPU = Asus 1080Ti ROG Strix
    HD = 512GB M.2 Samsung 960 Pro
    PSU = EVGA SuperNOVA 1300w
    Case = Cooler Master HAF-X 945

    HTPC / Home Server
    OS = Win7 64Bit running XBMC HTPC Front end with Windows Server 2012 Virtual Machine with 12GB ram assigned for homer server
    CPU = i7-980X @ 3.5Ghz CoolerMasster Hyper 212 Evo
    Mem = 24GB RAM
    MB = Gigabyte GA-X58A-UD5 v1.0 with F6 Bios
    GPU = EVGA nVidia GT210
    HD = 2x PNY 120GB Raid 0 (OS)
    Storage = 8TB WD Black Storage
    PSU = Corsair TX750
    Case = Define R5

  3. #3
    Join Date
    Aug 2011

    Default Re: GA-EP35C-DS3R not POSTing

    Unfortunately I don't have a spare PSU to test with.

    The rig was originally o/clocked by increasing the FSB to 400MHz but the BIOS was set to warn and shut down at 15C below TJ (75C or 80C I think).
    The rig has run like that for over 2 years without any problem and the o/clock was set after stress testing and monitoring CPU temperatures for over 5 hours.

    4 SATA drives, 1 IDE DVD burner, FDD, GTX460 graphics card, 2x2GB DDR2 RAM Stock cooling.

  4. #4
    profJim's Avatar
    profJim is offline Chief Munchkin + moderator
    Join Date
    Dec 2008
    Tacoma, WA. [USA]

    Default Re: GA-EP35C-DS3R not POSTing

    With your system off, unplug the A.C. power cord from the back of the psu or the wall outlet.
    Remove and re-seat all cable connects, then remove and re-seat all memory and hardware cards.
    Check to see that your cpu cooler is not loose and is secure.
    Now would be a good time to blow out all accumulated dust from the inside of the computer case.
    You should borrow a decent power supply to test with.

    You're wasting your time and ours by not providing a detailed hardware list.
    I won't assist further in your thread until you've provided this information.

    We can best help you after you create a detailed hardware list in the System Specs portion of your
    forum profile at the bottom of the
    profile page or in your forum signature
    Be sure to include brand names and model numbers.
    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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