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Help my ASUS m5a99fx pro memok dram blinks red! First boot!

Last response: in Motherboards
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February 8, 2014 2:26:54 AM

Hey fellow computer scientists,

Just purchased a brand new system and can't get it to work. The motherboard light is green so I know their is power and the cpu fan turns on but I keep getting blinking red lights :( 

-ASUS m5a99fx pro motherboard
-AMD fx 8350 4GHZ 16MB 125W AM3+CPU 8-core Processor black edition
-Corsair Vengeance blue 16GB 1600mhz RAM
-Thermaltake TR-700 700wt RT

Is my set up incompatible? Why are the lights blinking red while the motherboard light is green?


Best Regards,
S0nar

Best solution

a b V Motherboard
February 8, 2014 2:33:04 AM

Try reseating your RAM. Also are you using all the DIMM slots or just two. If you aren't occupying all the slots, make sure you have the RAM in the slots designated for just two DIMMs.

If that doesn't help, does your motheboard have a Mem OK button? If it does, try pushing that and try booting.

Also you could try resetting the CMOS.
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February 8, 2014 2:38:46 AM

Thank you for the quick response techgeek! I reseated the ram three times just to make sure and still the light blinks red. Yes I press the MemOK button and it blinks red. Fyi this a first boot with everything being brand new just un-boxed today and I'm using a 1024mb gigabyte xlr8 performance edition just to test my computer before my r9 290 arrives in the mail.
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a b V Motherboard
February 8, 2014 2:45:39 AM

Do you have a case speaker? If so are you getting any beep codes? Does you motherboard have a POST indicator (seven segment LED's) and if so what code is it displaying?
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a b V Motherboard
February 8, 2014 2:47:57 AM

OK, went online and found a picture of your motherboard and no POST code display. Looks like beep codes are your best hope.
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a b V Motherboard
February 8, 2014 2:50:00 AM

Also check to make sure you have all power connectors plugged in. The ATX connector is obvious, but maybe you've forgotten the EPS 12V connector.
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a b V Motherboard
February 8, 2014 3:00:42 AM

Also you could try one stick of RAM at a time. Try one, if that doesn't work, then try the other.
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February 8, 2014 3:34:43 AM

I forgot to plug in the epu 12v and now the lights stopped blinking :D  and I got to the bios screen but now I get a cpu fan error but I have it plugged in? Also I tried to boot it off a HDD and it will show the windows logo upon boot but the motherboard will just turn off and restart?

p.s. If it will make it easier I can post pictures?

Thank you

Update* Just noticed a solid red light boot_device_led
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a b V Motherboard
February 8, 2014 3:44:58 AM

Is the fan turning? In the monitoring tab, does the fan show a RPM?

As for the booting off the HDD, was there an old install from another computer on it? If so, you'll have to do a full fresh install because the drivers that are being loaded for the old system will likely cause a BSOD or restart.
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a b V Motherboard
February 8, 2014 3:47:46 AM

Sorry S0nar, I've got to get some sleep. Good luck and keep us posted. Don't forget to assign best answer when your all done.
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!