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PC turns on, no POST or motherboard screen

Discussion in 'Hardware' started by Dominym, Feb 14, 2013.

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  1. Dominym

    Dominym Thread Starter

    Joined:
    Feb 25, 2007
    Messages:
    73
    I posted about this a few months ago, but the problem seemed to have fixed itself so I hoped all was good. Nay, it seems.

    I put this PC together over a year ago, it's a dual boot machine (two HDDs) with Win 7 and Linux Mint. A few months ago, I rebooted to switch OSes and...nothing. PC was on but there was no MOBO screen and nothing was loading. After waiting about an hour and fiddling with it some, it booted up normally. It was okay until the other day when I restarted and it would not boot anything up at all.
    I cleaned it out, reseated the heat sink/CPU, hooked it back up and nothing. All it would do was turn on and that was it. No POST, no error messages, no BIOS, wouldn't load off disks...
    Today, I was just messing with it again (just turning it off and on to see if it might come up) and lo and behold, it loaded everything up. Of course, now I don't want to restart or turn it off again.
    What I'm wondering is, would this be a MOBO issue and should I replace it?

    Specs!

    MB: ASUS M4A785DT-V
    RAM: Crucial 2 GB 240 pin DDR3 (2)
    CPU: AMD Athlon II X2 2.9 GHz ADX245OCGQBOX
    Video: XFX HD-435X-ZAH2 Radeon HD 4350 1GB 64-bit DDR2 PCI Express 2.0 x16
    PSU: Rosewill RP600V2-S-SL 600W ATX12V v2.01 SLI Ready
     
  2. dai

    dai

    Joined:
    Mar 6, 2003
    Messages:
    11,198
    if the bios does not come up,unplug power plugs from the drives and see if the post screens come up

    if the post screen comes up

    try new data cables on the drives

    d/load and run the h/drive makers diagnostic utility on the h/drive

    http://www.tacktech.com/display.cfm?ttid=287

    your psu is low quality junk
     
  3. SRD7

    SRD7

    Joined:
    Apr 3, 2012
    Messages:
    48
    Its either usually PSU, Motherboard or something like RAM/CPU. 9 times out of 10 for me it has turned out to be motherboard. Most manufacturers recommend running BIOS diagnostics to see what the problem is but thats very helpful when it doesnt even get to BIOS.. Does your BIOS have a utility like this built in?
     
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