Computer power comes on for like 1.5 seconds then goes off and then back on

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Haromass

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Aug 3, 2015
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Basically I'm trying to wipe a 250 GB harddrive so I plugged it in as a secondary harddrive via sata connect and from the power supply. Well once I hooked it all back up and tried powering it back up, it powers up for like 1-2 seconds then turns off and then powers back up and turns off again over and over.

Okay so for the full story, I'm building a computer I'm just waiting on my ram to arrive. The pc I used to use has a 2 TB harddrive that has a lot of stuff on it and I don't want to erase everything because it has needed stuff on it like banks stuff etc. So I pulled a 250 GB harddrive out of a old broke pc and was thinking I could just wipe it using my sister's pc that I built for her and then use the 250 GB harddrive to boot and install all the new drives and operating system for my pc and then install the 2 TB harddrive and still have all the stuff but when I installed the 250 GB harddrive into my sister's pc and tried to power it up it only boots for like 2 seconds then goes off for like 1 second then rinse and repeat over and over.
 
Solution
panathas
The fact that you pulled the plug, while the PC was in sleep mode, may have to do with the whole issue. When the PC is in sleep mode, voltage is provided to the RAM in order to be able to wake up the system and return it to its previous condition. Cutting the power may have damaged the RAM or PSU (or rarely GPU). There is also the chance that this whole issue was BIOS related and once you are able to successfully boot the system, everything will be fine once you reinstall all the components back. Now:

1)Reinstall the 2nd RAM stick and try to boot. If it doesn't boot then that RAM stick is bad.
2)If it does boot, reinstall the GPU and then try to boot. If it fails, it could be the GPU or PSU.

In order to be certain you have to test the...
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panathas

panathas

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Feb 12, 2014
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What happens when you unplug the drive from the PSU and the motherboard. If you system is powering up without issues, then the hard drive is bad/damaged creating a short somewhere. This seems to be a very old hard drive and compatibility issues may arise if the rest of your system is fairly new. Please post your complete system specs in order to get more precise advice. Don't forget the hard drive's model number.
 
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Haromass

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Aug 3, 2015
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I pulled the harddrive out that I'm trying to wipe and her pc still won't boot even though I didn't do anything other install the harddrive via sata data cable and sata power cable. The harddrive I'm trying to wipe model is HDS721025CLA382 and it's a 2011 harddrive with 7200 rpm.

Specs:

MotherBoard: Gigabyte ga-h110m-s2h-gsm

GPU: windforce gtx 960

CPU: Intel i3 Core i3-6100 LGA1151

PSU: SeaSonic M12II 520 Bronze EVO Edition 520W ATX12V v2.3 / EPS 12V v2.91 SLI 80 PLUS BRONZE Certified Full Modular Active PFC Power Supply

Case: NZXT S340 Glossy White Steel ATX Mid Tower Case (Well looks like that)
 
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panathas

panathas

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Have you tried resetting the CMOS/UEFI just in case the BIOS got somehow stack or corrupted and end-up into an infinite boot loop; Every time we try to install a component inside a PC case, there is small chance that something may get damaged from static electricity. You must also turn off the PSU or disconnect it from the wall every time you open a PC case.

If resetting the CMOS doesn't help you, you have to unplug almost everything from this system. You have to remove the drives, case fans, PCIe cards, USB devices, the GPU and try to boot from the internal Intel iGPU. If you have more than one RAM stick installed, remove the 2nd one and test the fist stick in all the RAM sockets. If nothing changes then try the other RAM stick. If nothing of the above helps, you have to test this system with another PSU. If the system is still unable to boot then the motherboard is probably damaged.
 
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Haromass

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Aug 3, 2015
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I have not tried to reset the CMOS, although I do have a pay tester and it showed everything was working on it so ima try the CMOS trick and see if that doesn't fix it.

Update: did a CMOS reset on it now it boots up for a longer amount of time (around 4-6 seconds). So everything lights up and all the fans are working, so what else can I try and you about the thing with booting with the stock intel iGPU, would I have to take out the CPU, GPU, and 1 of the ram sticks?
 
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panathas

panathas

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You have to follow each step, until the PC is able to boot. Before adding or removing something turn of or unplug the PSU from the wall. Do not remove the CPU.

1)Remove/unplug everything from the motherboard and PSU (all the drives, case fans and every USB or PCIe device). Leave only the CPU fan, front I/O (case) and the PSU cables that plug into the motherboard.

2)Remove the GPU and plug the monitor into the motherboard. Then try to boot.

3)If that doesn't work remove 1 RAM stick.

4)Install that RAM stick into the 2nd RAM slot.

5)Repeat steps 2 and 3 with the 2nd RAM stick.

6)Use another PSU.
 
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Haromass

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Aug 3, 2015
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Alright, I will do this testing tomorrow, I should also include that before I unplugged the pc to install the harddrive which I'm just gonna buy a new one because my sister told me that it was from her old computer which had a lot of viruses, but anyways when I unplugged the power cable, the pc was in sleep mode.
 
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Haromass

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Aug 3, 2015
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So I took out her GPU and the secondary ram stick and it booted up like it would normally to desktop, so does that mean it's the power supply?
 
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panathas

panathas

Splendid
Feb 12, 2014
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The fact that you pulled the plug, while the PC was in sleep mode, may have to do with the whole issue. When the PC is in sleep mode, voltage is provided to the RAM in order to be able to wake up the system and return it to its previous condition. Cutting the power may have damaged the RAM or PSU (or rarely GPU). There is also the chance that this whole issue was BIOS related and once you are able to successfully boot the system, everything will be fine once you reinstall all the components back. Now:

1)Reinstall the 2nd RAM stick and try to boot. If it doesn't boot then that RAM stick is bad.
2)If it does boot, reinstall the GPU and then try to boot. If it fails, it could be the GPU or PSU.

In order to be certain you have to test the GPU in another PC and/or test this PC with another PSU (with the GPU installed).

Good luck.
 
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