PC only boots after cmos reset and turn the psu on and off.

SupplyDemand

Commendable
Aug 31, 2016
2
0
1,510
Hello, this is my frist post so sorry if it's at the wrong place.

components:
CPU: Intel i5 6600k
CPU cooler: Coolermaster 212 evo
Ram: 16gb ballistic sport
GPU: INNO3D gtx 1070 x3
MOBO: ASrock z170 extreme 3
PSU: Corsair RM550X
SSD: samsung 850 evo
HDD: WD Black

I build my pc yesterday installed windows and installed a UEFI update on it and went to bed. The next morning wanted to turn the system on but it failed. After I turned the PSU itself on and off it started to boot but it took a long time with the ASRock logo on the monitor. After about a minute the option to go to the bios and to "continue" appeared. I chose continue but after that it was a black screen for 30-40 sec and my system turned itself off. I tried to turn it on but it only worked after i turned the powerswitch on the PSU. So my system booted as slow as last time but this time i chose the BIOS option. and saw nothing strange happening there. I quitted the bios and th same thing happened , black screen for 30 second and it turned off. So i removed the CMOS battery and tried everything again. I decided to install windows again. I installed windows with the safe problems when it needed to restart but i got it installed. I installed some drivers in windows itself but to install them you needed to restart. My pc didnt restart itself and i needed to turn off the power switch on the psu again. After that i didnt get into widnows so i opened my system to see if i saw anything wrong with it. at that moment I saw that my 2x4 CPU connector wasnt connected to the psu. I connected it and the system turned on and i got into windows. After 5 minutes windows gave a black screen but the fans and the ligt on my gpu kept on going. I decided to wait 5-10 minutes to see if something was happening but nothing happened so i turned off the pc and tried to turn it on but again it would only work when i turned my psu on and off. And now i'am here because I dont know what to try anymore.

Please, any help and suggestions is very welcome.
 
Solution
CPU: Intel i5 6600k
CPU cooler: Coolermaster 212 evo
Ram: 16gb ballistic sport
GPU: INNO3D gtx 1070 x3
MOBO: ASrock z170 extreme 3
PSU: Corsair RM550X
SSD: samsung 850 evo
HDD: WD Black
I don't know how the 550W PSU can power the 3X gtx1070, if it is not the typo.
But anyway, the problem maybe the BIOS update is not good, may reflash the BIOS again.
CPU: Intel i5 6600k
CPU cooler: Coolermaster 212 evo
Ram: 16gb ballistic sport
GPU: INNO3D gtx 1070 x3
MOBO: ASrock z170 extreme 3
PSU: Corsair RM550X
SSD: samsung 850 evo
HDD: WD Black
I don't know how the 550W PSU can power the 3X gtx1070, if it is not the typo.
But anyway, the problem maybe the BIOS update is not good, may reflash the BIOS again.
 
Solution

SupplyDemand

Commendable
Aug 31, 2016
2
0
1,510


Thanks you so much, it worked.
I've turned the system on and off without any problems a view times :)

(the 1070 x3 is the model number given to the card by the company, my bad...:p)
 

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