Could someone help assist me with motherboard turning on and off?

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Kaichou

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I've tried everything I could think of and everything I can without having to purchase anything and nothing has worked so far.

So, the issue is that one day, my computer turn itself off randomly. After that, I tried to start it back up again. my bios brought me to a screen asking what kind of power supply interaction it would like to go with. I just went with one of the recommended. Now it just turns on and then off. I don't get a bios and nothing comes up on screen.

Here's a list of some of the things I've tried:
- Unplugging everything I possibly can and then only trying the motherboard + CPU power (same issue)
- Motherboard + CPU + Ram plugged (Same issue)
- https://www.youtube.com/watch?v=5FWXgQSokF4 (Fans run fine)

I tried to use another power supply, but this won't work. I also can't test my current power supply because my other computer is too old unless there is a way to plug an 8-pin CPU plug into a 4. This is why I can't use the old computer's power supply as it provides a 4-pin rather than 8.

I'm kind of coming to a wits end since my motherboard, CPU, and PSU are all pretty new.

Details:
PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E16817151102
CPU: http://www.newegg.com/Product/Product.aspx?Item=N82E16819116504
Motherboard: http://www.newegg.com/Product/Product.aspx?Item=N82E16813131837

Overall, thank you for any help.
 
Solution
K
Okay, I got it working.

First off, the problem:
I was playing on my PC. It crashed at random in which I have no idea why it did. When I went to start it up again, I changed the pre-set to "optimal." After this, it tried to restart. No go. It kept restarting and not reaching bios.

So, solution:
I disconnected everything I possibly could. I kept the fans, keyboard, and monitor connected. I did as stated above. Remove the CMOS battery and then place it back after some time. I did this a few times and fiddled with the settings in bios. I tried default, changing them to "normal" and a few other things. After a few tries, I went back to default/factory settings. I went and "save and reset" the settings a few times and found it coming to the...
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mamasan2000

mamasan2000

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"my bios brought me to a screen asking what kind of power supply interaction it would like to go with."

What? Never heard of any motherboard asking stuff like that.

Reset CMOS. Take out the battery on the motherboard and leave it for 30 secs, then plug in again.

On a sidenote, usually BIOS screen shows up when computer can't boot up 5 times in a row.
 
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Kaichou

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Nov 15, 2014
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I'll give it a shot.

Also, to give you some reference, this is what I was talking about: http://images.anandtech.com/doci/5793/ASUS%20P8Z77-V%20Pro%20BIOS%2001%20-%20EZ%20Mode.png
It's a bios utlity, I might have phrase that incorrectly.

EDIT: I'm guessing those are pre-set settings. Since there's an advanced settings option. Still, nothing. I tried changing some things around and found nothing that works.
 
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Kaichou

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Nov 15, 2014
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Okay. I tried the battery thing. Here's what happens: I set everything to normal, and then save it and restart. When I do this, the same problem happens again and I need to remove the battery and repeat the process. I'll try factory defaults now, but I don't think anything's changing. I'm not sure what to do next.

Update: Default settings did nothing. It still decides to constantly restart before Bios.

Update: I can now constantly get the BIOS on screen.
 
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K

Kaichou

Reputable
Nov 15, 2014
5
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4,520
Okay, I got it working.

First off, the problem:
I was playing on my PC. It crashed at random in which I have no idea why it did. When I went to start it up again, I changed the pre-set to "optimal." After this, it tried to restart. No go. It kept restarting and not reaching bios.

So, solution:
I disconnected everything I possibly could. I kept the fans, keyboard, and monitor connected. I did as stated above. Remove the CMOS battery and then place it back after some time. I did this a few times and fiddled with the settings in bios. I tried default, changing them to "normal" and a few other things. After a few tries, I went back to default/factory settings. I went and "save and reset" the settings a few times and found it coming to the BIOS over and over. From there, I reconnected the HDD to see if it would work past the bios. It did. Everything works now, for now. We'll see. Thank you for your help, mamasan.
 
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Solution
mamasan2000

mamasan2000

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I had a battery go dead once. It took 5 years. But they are cheap to replace.

But anyway, POST is a series of tests your motherboard does at boot.
Computer can halt at any of these errors. No keyboard, no RAM etc.
Which means it enters BIOS. Or beeps. Or asks you to press F1. Or...you get the point.

http://www.computerhope.com/beep.htm

If in doubt, load failsafe defaults.

If you fiddle around with settings, understand first what each setting does. I'm not a fan of manufacturers presets. Every CPU is different. Some can run on lower voltage, others can't. Even if its the same model. And thats just one 'problem' of a myriad to bear in mind.

Bare minimum to test a computer is:
CPU, GPU, RAM, Motherboard (of course), keyboard, monitor.
Even without a harddisk you should be able to get past BIOS.
Unless theres a setting in BIOS which halts when theres no HDD.
 
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