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Thread: New build will not POST




  1. #1

    Default New build will not POST

    SPECS:

    MOBO - ASUS M4A78 Plus AM3/AM2+/AM2
    AMD 770 ATX

    CPU - AMD Phenom II X2 550 Black Edition
    Callisto 3.1GHz 2 x 512KB L2 Cache 6MB L3
    Cache Socket AM3 80W Dual-Core Processor

    Video Card - HIS Hightech H489F1GP Radeon
    HD 4890 1GB 256-bit PCI Express 2.0 x16
    HDCP Ready CrossFire Supported Video Card

    Ram - 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500)

    HDD - Western Digital Caviar Black
    WD6401AALS 640GB 7200 RPM 32MB
    Cache SATA 3.0Gb/s 3.5" Internal Hard Drive

    DVD Peripheral - SAMSUNG Black 22X
    DVD+R 8X DVD+RW 16X DVD+R DL 22X
    DVD-R 6X DVD-RW 12X DVD-RAM 16X DVD-
    ROM 48X CD-R 32X CD-RW 48X CD-ROM
    2MB Cache IDE 22X DVD±R DVD Burner with
    LightScribe - OEM

    Power / Cooling (besides case + CPU) - PC
    Power & Cooling Silencer PPCS500 500W
    ATX12V / EPS12V SLI Ready CrossFire
    Ready 80 PLUS Certified Active PFC Power
    Supply compatible with core i7



    I have checked everything twice...Re-installed CPU with cooling solution...Tried just one RAM in each socket...the fans work (2 cooling + a CPU fan), the DVD drive works, the HDD works, and both boards flash
    the proper colors (MOBO green, Radeon Video
    red). One thing is that the Radeon Video Card only flashes 3 red lights on where there appear to be 4 in a row - one seems to be blank, but I have very little experience with video cards so I dont know if this is normal.

    Best Buy free diagnostic said everything hooked up right, he thought it was a video card problem but it could be CPU/MOBO just don't know, I didnt want to spend $70 and leave it there so I think my next move is to get a replacement video card b/c I unfortunately dont have any spares on hand to try.

    Any advice is appreciated...

  2. #2
    Join Date
    Jul 2009
    Posts
    14

    Default Re: New build will not POST

    Here's what you do ... when a mobo posts, it will check in this order ... CPU, memory then video. Start with just the CPU only in the motherboard. Mobos have beep codes, so you'll have to look them up for your mobo. If the CPU "passes" you should get an error beep for no memory. Install just one stick and see what error code you get. If you still get another memory beep, try a different stick. If memory "passes" you should get a video error. Plug in the video card and it should POST. If not, then it's the video.

    These are just guidelines to possibly help you troubleshoot. Keep us "POSTed" hehe :)
    Smilodon tower case
    GA-MA790XT-UD4P
    AMD X2 550 BE running stock with stock cooler
    G.Skill 2 X 2GB DDR3 1333
    EVGA GTX260 216 core 896 SC running stock
    WD Black 1 Tera

    Windows Vista Ultimate x64

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