Computer turns on and off immediately.

[Mr.Eric]

I am facing the above problem after coming home from work yesterday. I just turns off immediately after powering up for less than a second, not even loading bios. Stripped the whole pc and tested the following but to no avail;

1. Changing Ram slots.
2. Changing Rams.
3. Changing PSU
4. Running using integrated graphics.
5. Changing GPU.
6. Short pin 15 and pin 16 of the 24pin for the current PSU and it seems to be powering up fine.
7. Replug every connectors.

Seems like it's a dead motherboard to me. Should I go to the distro and change a new motherboard?

Details of rig:
i5-4670k and Gigabyte z87hx-d3h
8gb Ram
Powercolor R9 290
Seasonic G series 650W

 

[kopicow]

the last few times that happened to me is due to a dead motherboard.

 

[royfrosty]

Somewhere have been shorted. Might wanna take everything out and test on a table rather than in the chassis. Test just bare components.

Mobo + CPU + Single stick Ram + your bootable HDD or SSD + PSU

 

[ykgoh]

My personal experience was a dead mobo.

 

[Mr.Eric]

Somewhere have been shorted. Might wanna take everything out and test on a table rather than in the chassis. Test just bare components.

Mobo + CPU + Single stick Ram + your bootable HDD or SSD + PSU

Took out everything and tested already.

 

[tamjinhang]

Took out everything and tested already.

Sounds like mobo too. Bring the PC./ mobo down to cdl for final confirmation.

 

[majora]

Check the cpu temp?

 

[Mr.Eric]

cant check cannot even on

 

[Mr.Eric]

Distro told me mobo no problem.


Now I'm left with a dead processor, possible?

 

[shadow84]

If u have another friend with Z87, B85, H87, H97, Z97 mobo, can try your cpu on his mobo, see whether can boot up or not.

 

[Mr.Eric]

If u have another friend with Z87, B85, H87, H97, Z97 mobo, can try your cpu on his mobo, see whether can boot up or not.

Will be testing it out at my office, thanks for your input.
Will post results tomorrow.

 

[ykgoh]

Distro told me mobo no problem.


Now I'm left with a dead processor, possible?

I don't know if this is possible to request the tech to demo to you the mobo is OK. Did the distro tech show you a bootable setup using their cpu, ram and psu? Or he simply came out of a room and claim there is no problem?

 

[Mr.Eric]

I don't know if this is possible to request the tech to demo to you the mobo is OK. Did the distro tech show you a bootable setup using their cpu, ram and psu? Or he simply came out of a room and claim there is no problem?

I left my mobo there during lunch time and collected it after work. Didn't witness the whole procedure. Will be testing my processor tomorrow, if it works then I really doubt the technician.

 

[kewellz]

Happened to my pc frequently too last year, in the end it was also the motherboard.

 

[Mr.Eric]

did not have the chance to test processor, will be testing tomorrow.

 

[Mr.Eric]

Checked, processor dead.