No post beep asus striker extreme 4 gig corsair dominator mem,150gig raptor hrd drive quad qx6700 extreme, 1000watt ergamax power

did you check already the switch mode power supply unit of your pc? might drop the voltage or need to upgrade with higher wattage.

no any problem and don't worry the fan changing speed is normal it's a property

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best regards

Sounds like you need to go into the Bios if you know how and adjust the thermal values in there. I suggest checking heatsink on cpu is seated correctly and add a fan to increase airflow in side the case. Seems like a heat problem from what you describe.

1 - Test the memory in another pc; if it's at fault change it completely.
2 - That 8 pin connector is there to provide extra power to the processor sources - either one or more of them are fried = replace motherboard or the processor itself is gone =  test it in another pc and replace it if necessary.

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Hi Fabio,

Nice system you have.

I would change the timings on your RAM in bios setup pages to a slower set of numbers, especially the last one in the timing from say 12 to 15. If that doesn't help, your cool RAM chips may be slightly defective if you purchased these as a Matched Set from Corsair. And were these RAM Chips in the approved list from Asus for your system board?

Corsair has lifetime warranty for their RAM so getting those replaced shouldn't be a problem.

What you want to do is download and burn a Bart PE bootup CD that has Mem Test 86 on it and run that test on your RAM to verify that the RAM may be defective. Corsair will want to know if you have run a RAM test on those chips.

So, try the slower timing settings, even though you are not overclocking them to start with.

Also, can you put each video card on a separate power rail instead of populating one power rail with both video cards?

Lastly, you stated that you can power off, leave the system off for a half hour and the system will boot. This, as you may know, indicates something is getting hot.This could be your Power Supply or your CPU. Have you used canned air to blow out the power supply and CPU fan and heat sink?

Regards,
Worldvet

remove the ram, do you hear beeps?

you might want to get your hands on one of these
http://cgi.ebay.com/New-8digit-PC-Motherboard-CPU-Ram-Analyzer-Test-Card_W0QQitemZ190231285206QQcmdZViewItem?IMSfp=TL0806211611r25031

if link broken click here

Reseing the bios shouldn't be a problem go ahead, or is there something I don't know? does it void the warranty? I don't think so.

Hi Jay,
Is you're memory installed in the two yellow slots?
Try using only 1 DIMM in DDRII_1 slot.
Page 17 in you're manual. When using only one PCI-E graphics cards you do not need to plug in extra power to the board, as shown on page 19. (Only need this additional 4-pin Molex when running two PCI-E cards).
Check internal connector is plugged in item,
1 ATX_12V_2X (Pg. 23 in you're manual).
(System will not boot without this).
Also item, 2 main power 24-pin Molex cable is securely connected. Chassis Intrusion Header (By default is opened/no jumper). I don't like the CPU getting hot. It shouldn't. Do you have a spare heat sink & fan for you're CPU? Are you 100% the cooling system is running correctly?
Lastly, here is Gigabyte's Qualified Vendors List (QVL), for you're board. Corsair 2GB is not listed.
http://www.gigabyte.com.tw/FileList/MemorySupport/motherboard_memory_ga-ma790fx-dq6.pdf

Luck!
Mike

Make sure that your power switch is connected to the correct pins on the motherboard. The LED you see lit may be the stand-by power indicator saying it has power and is waiting for the signal from the power switch.