Sign in with
Sign up | Sign in
Your question
Solved

Computer turns off, then immidiately shuts off, please help.

Last response: in Systems
Share
July 20, 2013 9:15:27 PM

I got a Thermaltake 700W PSU, P8Z77-V LK, Radeon 7850 2GB, 1 8 GB DDR3 1600MHZ RAM stick. I have a PCI USB 2.0 expansion card and a PCI USB 3.0 Expansion slot. This is all in a Sentey Burton ATX Full Tower case. This has like 5 extra fans with it. Note: ALL PARTS ARE BRAND NEW.

Everytime I hit the power button, it turns on, all lights flash, and everything turns off immediately. We tested the power supply with a paper clip, and the fan turns. Do you guys have any ideas?
July 20, 2013 9:21:24 PM

The motherboard is shorting out against the case or grounded some where.
July 20, 2013 9:28:49 PM

Motherboard is elevated, with screws under it. Soo.
Related resources
July 20, 2013 9:35:08 PM

Is the cpu overheating? Plug in a speaker any beeps or sounds?
July 20, 2013 9:41:12 PM

Yeah we have a speaker plugged into the motherboard, not a single beep. Turns off for like a second, then instantly off, I feel like it's PSU problem. That's what a lot of people seem to have.
July 20, 2013 9:46:25 PM

And yes the RAM stick is fastened properly. We took out the graphics card, optical drives, and the hard drives, just to run it barebones, still didnt' work. SO I"m pretty sure it's power supply.
July 20, 2013 9:59:37 PM

I agree, most likely.
July 20, 2013 10:14:21 PM

yea sounds like a PSU issue, either RMA it or go take it for exchange wher eyou go it, is my best answer for you
July 21, 2013 8:50:22 AM

Yeah we're thinking about getting a 1000W power supply. Let's just say hypothentically that it's not the power supplly, I hope not, then what could it be?
July 21, 2013 8:51:51 AM

motherboard. Hypothetically
July 21, 2013 8:57:59 AM

I was looking at some older threads, someone said what if you forgot to plug in power for your CPU, I only have cord for power for the CPU fan, I don't see one for the CPU, also what about like the RAM stick, do they need some sort of power cord too?
July 21, 2013 9:03:18 AM

LiquidAurum said:
Yeah we have a speaker plugged into the motherboard, not a single beep. Turns off for like a second, then instantly off, I feel like it's PSU problem. That's what a lot of people seem to have.


Not a single beep can't be good. Should get one quick beep from the mobo speaker. Plug in the CPU, CPU cooler, RAM, and GPU. Then attach all the PSU cable. Once you turn it on with a paper clip after a second or 2 you should hear a single beep.
July 21, 2013 9:10:26 AM

Yeah, my power supply only comes with 24 pin, and 4 pin connectors, and on the mobo it only has 24 PIN connectors which I'm pretty sure is for the motherboard, I don't think my PSU comes with an 8 pin connector, that's probably the problem
July 21, 2013 9:11:37 AM

If I plug in the 4 pin will it still work in the 8 pin slot, that's what the manual is making it sound like

Best solution

July 21, 2013 9:13:45 AM
Share

LiquidAurum said:
Yeah, my power supply only comes with 24 pin, and 4 pin connectors, and on the mobo it only has 24 PIN connectors which I'm pretty sure is for the motherboard, I don't think my PSU comes with an 8 pin connector, that's probably the problem

Oh, Yeah that could be it. normally you have 2 cords going from the PSU to the Mobo alone.

July 21, 2013 9:16:26 AM

IT'S DONE!!!! Turned out it was the CPU that wasn't plugged in. THANKS SOOO MUCH FOR ALL YOUR HELP :) 
July 21, 2013 9:18:44 AM

Oh, cool. Glad you got it working : ) No problem

Have fun!
July 21, 2013 3:53:01 PM

Good stuff! cheers
!