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New PC won't boot.

post #1 of 10
Thread Starter 
Just built my new PC. Case Coolermaster Silencio 550, Asus Sabertooth 990FX, 8GB G.Skill Sniper, Athlon II X3 415e, Antec cooler 620, Seasonic X-760 and Sapphire Radeon HD 6670. Unfortunately my new system won't boot. When i press the power button, the CPU_LED is always red and from i have read in the manual this indicates that something is wrong with the cpu. The strange is that when i press the power button again, the pc won't switch off, even if i keep pressing it for 4 seconds. I have connected the 24pin cable from the motherboard to the M/B plug of the Seasonic, and the 8pin plug from the motherboard to the second M/M plug of the PSU. The first time i switched on the PC i forgot to plug the 24pin to the PSU, only the 8pin was connected. Do you think this might have damaged the CPU, or the problem might be the liquid cooler? There is also a CPU plug in the Seasonic, but i don't think i need to connect something there since there is no other connector in motherboard. Any help would be appreciated, thanks!
post #2 of 10
Can you post a picture of it connected up?
Edited by Sean Webster - 10/24/11 at 3:54pm
post #3 of 10
Quote:
forgot to plug the 24pin to the PSU, only the 8pin was connected.
No that will not have damaged anything at all, The PSU wouldnt even get a start signal if the 24 wasnt in.
^3
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Intel Core i7 5930K  EVGA x99 Micro EVGA GTX 980 SC ACX 16GB Corsair DDR4 Vengeance LPX Black PC4-21300 
Hard DriveCoolingOSMonitor
500GB Samsung 840 EVO H105 Win 10 ASUS ROG PG279 
KeyboardPowerCase
Ducky Shine 1 MX-Red Corsair AX 860i  Fractal Design Node 804 Black 
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Core i7 @ 2.6  GT650 16GB of 1600 MHz DDR3L SDRAM 256GB SSD 
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^3
(11 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core i7 5930K  EVGA x99 Micro EVGA GTX 980 SC ACX 16GB Corsair DDR4 Vengeance LPX Black PC4-21300 
Hard DriveCoolingOSMonitor
500GB Samsung 840 EVO H105 Win 10 ASUS ROG PG279 
KeyboardPowerCase
Ducky Shine 1 MX-Red Corsair AX 860i  Fractal Design Node 804 Black 
CPUGraphicsRAMHard Drive
Core i7 @ 2.6  GT650 16GB of 1600 MHz DDR3L SDRAM 256GB SSD 
OSMonitorKeyboard
Mac OSX Lion Retina Display US layout 
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Reply
post #4 of 10
Double check where your ram is supposed to go, reseat it and try again

if that doesnt do it, I've also seen motherboards refuse to post without anything plugged into the cpu fan socket

edit;
Quote:
There is also a CPU plug in the Seasonic, but i don't think i need to connect something there since there is no other connector in motherboard.
Is the CPU plug 8 pin? If it is, you plugged a 8 pin pci power into your cpu, which is not good
Edited by Hobybobag - 10/24/11 at 3:58pm
post #5 of 10
Thread Starter 
I will try to post a picture. Another thing i forgot to mention, the ram clips only open from one side? I tried to open those which are near the CPU_LED but they don't seem to open.
post #6 of 10
Quote:
Originally Posted by infini View Post
I will try to post a picture. Another thing i forgot to mention, the ram clips only open from one side? I tried to open those which are near the CPU_LED but they don't seem to open.
yeah, they aren't supposed to.. a lot of newer motherboards do that, I dont like it personally =\\

definitely try reseating your ram then
post #7 of 10
Thread Starter 
Here is the picture, you can see the red led wihich is the CPU_LED being always on. Hobybobag yes the EATX12V is 8pin, i don't think i made a mistake with this cable because it has the label "CPU" on it at the plug which goes to the EATX12V. If tryying to reseat the RAM, wihich side should i put first, the one that the clips open or the other?

Edited by infini - 10/24/11 at 4:37pm
post #8 of 10
Thread Starter 
Just solved my problem, i forgot to connect the cpu connector to the EATX12V. This motherboard takes so much time to get to the post screen compared to my previous one 10 years old (ASUS A7V133-C). Thank you all for your replies! Maybe i will post to the Sabertooth owners club if there is a way to get faster to the post screen.
post #9 of 10
Quote:
Originally Posted by infini View Post
This motherboard takes so much time to get to the post screen compared to my previous one 10 years old (ASUS A7V133-C).
Aha I've only handle one ASUS Mobo before and had the same problem, I only thought it was because it was just a cheap board but I guess i was wrong.
post #10 of 10
Thread Starter 
I disabled the JMicron Sata controller and now it boots much faster.
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