Motherboard or RAM issues

So I did a full upgrade four years ago, and a year ago there was a power outage which afterwards every time I turned on my computer I would get no signal on my monitor. Well, at the time I was moving into my first purchased house and had it packed away for several months. Started to tinker with it and got it working again by what seemed to be a fried stick of ram. But in the last 3 months any time I turned off my computer same issue with same repair. So I went from 4 gigs down to 1 gig. Now I never switched slots in my mobo and last week my 9 month old yanked a cord, computer went off. So now I was thinking great all ram dead. Well my wife was all "you tinker with it, we can't afford upgrades right now" and only after unplugging and replugging it, it came on. I still have 2 sticks of the ram left and yet cant get them to work. So is it the RAM or is it my motherboard?

ASUS Maximus Formula SE LGA775 X38 ATX DDR2 2PCI-E16 2PCI-E1 2PCI 2GBLAN 1394A SATA RAID Motherboard
Intel® Core™2 Quad Processor Q9400
4 Gigs Crucial Ballistix ddr2 PC 8500 (4x1 gig)
OCZ 750w Power supply
ATI Radeon 3870 512 MB (x2)
Western Digital 250gig HD (x3)
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  1. Might as well be your motherboard, or even your power supply. After those power outages and time off, some circuitry may have been damaged.

    Have you cleaned your computer? Dust can damage your components.

    Try to install those sticks you have. if they do not work, the problem is not RAM related.
  2. Our wives must be related ;)

    The BIOS might be corrupted, so try the 'Jumper method' Clear CMOS then set the Date & Time. The RAM needs to be in Pairs and in the same color DIMM Slots. Clearing CMOS -

    CPU: | Set 1 | Set 2 | Set 1 | Set 2 | ; don't mix the Sets.

    The Easyiset way to determine 'Bad RAM' to Boot with (1) stick at a time.

    CPU: | 1 Stick | blank | blank | blank |

    The 'Supported' DIMM Slot configurations.
    CPU: | X | - | - | - |
    CPU: | - | - | X | - |
    CPU: | X | - | X | - |
    CPU: | X | Y | X | Y | ; X = Set 1 and Y = Set 2

    Next, create bootable CD/DVD with Memtest86+, use the ISO/Zip file and test 2~4 passes; download -

    To identify the RAM either look at it or easiest use CPU-z to make sure they're ALL the same Frequency, CAS, Voltage - ; NOTE the 'SPD' Tab.
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