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computer won't post

alyraver
Level 10
Hi all
After a day of benching I turned my pc off and now it won't post.

I have reset the bios settings to default but I get the debug A2

I think ive cooked my mobo

Anyone have any ideas what I can try
800D/Asus Rampage IV Extreme Black Edition/i73930K @ 5.2/ Kingston Hyper X Beast 32GB 2400/ STRIX 1080TI OC, EK Nickel Plexi CPU block, No Rad + No Fans :D, Alphacool D5 Pump.. HC 500A chiller @ 4C - Max load temp @ 5.2 = 55c. Lowest Core Idle Temp = 3c
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16 REPLIES 16

alyraver
Level 10
Ok weirdly its now working? Not sure why or what happened but its confused the hell outa me lol. Before I turned it off last it was set to my 24/7 oc.
800D/Asus Rampage IV Extreme Black Edition/i73930K @ 5.2/ Kingston Hyper X Beast 32GB 2400/ STRIX 1080TI OC, EK Nickel Plexi CPU block, No Rad + No Fans :D, Alphacool D5 Pump.. HC 500A chiller @ 4C - Max load temp @ 5.2 = 55c. Lowest Core Idle Temp = 3c

What your wattage on you PSU?
Intel Core i9 103900KS
Asus Maximus Z790 Extreme [bios 1801]
LG (34U97-s) Monitor 3440 x1440
Nvidia RTX 3090 FE
Windows 11 Pro
64gbz Memory

alyraver
Level 10
Corsair AX850
800D/Asus Rampage IV Extreme Black Edition/i73930K @ 5.2/ Kingston Hyper X Beast 32GB 2400/ STRIX 1080TI OC, EK Nickel Plexi CPU block, No Rad + No Fans :D, Alphacool D5 Pump.. HC 500A chiller @ 4C - Max load temp @ 5.2 = 55c. Lowest Core Idle Temp = 3c

FireRx
Level 11
Might be time to upgrade,

There is a cool PSU wattage calculator on the net. I think you SLI 780's are maxing you out. It Calcs about how much of you PSU effeiciency you can get to before you max it out. Remember those 780 do 250w max each.
http://www.extreme.outervision.com/psucalculatorlite.jsp :cool:
Intel Core i9 103900KS
Asus Maximus Z790 Extreme [bios 1801]
LG (34U97-s) Monitor 3440 x1440
Nvidia RTX 3090 FE
Windows 11 Pro
64gbz Memory

alyraver
Level 10
Yer your prob right. AX1200 time me thinks...
800D/Asus Rampage IV Extreme Black Edition/i73930K @ 5.2/ Kingston Hyper X Beast 32GB 2400/ STRIX 1080TI OC, EK Nickel Plexi CPU block, No Rad + No Fans :D, Alphacool D5 Pump.. HC 500A chiller @ 4C - Max load temp @ 5.2 = 55c. Lowest Core Idle Temp = 3c

Retired
Not applicable
hello, yes the 850w is way to low, for that gear doin benchmarking.. no matter the rail distribution

nevertheless, the rig should startup with that psu..

The only thing that happens if you overload that psu, is that it shut down/power off..

if you doin high OC, you can forget all about PSU calculators, TDP and such.. thats looong gone..

alyraver
Level 10
Yer it was weird that it threw the debug @ stock. Also its been pretty flawless until now. Gonna get a 1200 I think and just take it easy on the benching. Darn RB lol!
800D/Asus Rampage IV Extreme Black Edition/i73930K @ 5.2/ Kingston Hyper X Beast 32GB 2400/ STRIX 1080TI OC, EK Nickel Plexi CPU block, No Rad + No Fans :D, Alphacool D5 Pump.. HC 500A chiller @ 4C - Max load temp @ 5.2 = 55c. Lowest Core Idle Temp = 3c

Retired
Not applicable
be glad you have such a great PSU unit, and no harm was made to your gear..

My AX1200 is to pickup next week..:D

Damn 1000w is powering off, while doin vantage, so i stopped doin vantage.. for now

Safety before fun..

alyraver
Level 10
I wonder if that was having an affect on my benching score? Prob not but might explain a few things

Ive removed one of my 780s for safety until I get the 1200
800D/Asus Rampage IV Extreme Black Edition/i73930K @ 5.2/ Kingston Hyper X Beast 32GB 2400/ STRIX 1080TI OC, EK Nickel Plexi CPU block, No Rad + No Fans :D, Alphacool D5 Pump.. HC 500A chiller @ 4C - Max load temp @ 5.2 = 55c. Lowest Core Idle Temp = 3c