Question about DFI NF4X INFINITY Motherboard

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When I hit the power button it wont turn on. I have replaced the RAM with a known working DDR400 1GB stick, no fix. Tried switching power supplies, no fix, tried new videocard since when it was last on (a few days back) it froze after booting into windows 7 and updating drivers. I have not tried another CPU since I dont have another S754 CPU. the CMOS Jumper is switched to reset settings on boot. The power LED comes on when plugged in on the MOBO, and once I hit the power button, the DRAM LED light turns on, but thats it. No system fans turn on, and i know my PSU is good. PCPC 510W PSU. System specs with known working components: A64 3700+ S754 CPU (Clawhammer i believe), Patriot 1GB PC3200 RAM stick (normally Corsair XMS 2x 512MB sticks at 1T at 2.8V. Seagate 7200.11 1TB HDD plugged into SATA port 3 at the moment, but I have tried all SATA ports with no luck. no additional Sound Card, I took it out, as well as no CD/DVD/BD Drive. As stated earlier, this was working, then after updating the system drivers and normal updates in a fresh windows 7 ultimate install, it froze and wont turn back on. i hit the power button and the only change is the DRAM LED light on the mobo turns on, and is red in color. System has not been overclocked.

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When you say the CMOS is set to reset, this should not be the case for normal usage. and maybe the problem if left in the on position the system will not start (which sounds like your problem).

Posted on Mar 18, 2011


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Won't turn on

if you are able ,open the box,earth yourself out on it (static can damage things) if you have more than one stick of ram take them out ,and try booting up with one stick at a time, in the first ram slot ,if you find one that does not boot the system up its the bad one ,reinsert what ever other sticks you have , problem solved.

if not ,replace all ram chips, then

  • remove any ad in cards that you have, one at a time (other than a video card if you have one) then try booting,
  • if you have gone through all the cards (not the video as mentioned before) and still not booting, remove everything including the video card ,ram, disconnect all drives ,
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good luck

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also if you can try another power sup unit

please let me know how you get on

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