after instant restart, fans stopped working. please watch the video

FromIstanbul

Reputable
Dec 31, 2015
5
0
4,510
Hello everyone.

Today i was playing cs go. suddenly i heard a "tick" sound (you know like when power is down) then no signal came to the monitor. computer was still on, but no displaying.

so i shut down the system and opened up the pc case. none of the FANS were working except the PSU.

i removed the graphic card, and psu fan, checked the heat but all was normal. also the thermal pastes were okay.
several times i turned on the pc but none of the fans were working(including external coolers) except the PSU (in i removed the bios battery, waited a bit and then started the system again. it worked.

but after i turn on the pc, it reset itself for 2 seconds, and then starts working again. it happens itself.

and my cpu fan works too fast and noisy at the first start then goes down to normal speed.

so now pc is running normally. but i wonder why it happened at the beginning? i though i was completely dead.

im adding the video of start up and pics of bios and cpu-z. please share your experiences and knowledge.

btw pc specs:

asus z-87m plus main
nvidia gtx 650 ti boost
cooler master 750w + 80 bronze psu
i7 4770 cpu
2x4gb gskill sniper 1600 mhz cl9 1.5 v ram
1x8gb kingston hyper x fury 8gb 1600 mhz cl 9 1.5 v ram
3x external cooler fan

thanks.

mods: if the thread is on the wrong place please carry it to the right part. thanks.

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[video="https://www.youtube.com/watch?v=DWaUBPU6ipA"][/video]