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Pc doesn't turn on sometimes

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#1 Yandjin


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Posted 17 February 2017 - 03:02 PM

Hi, for about two weeks or my PC is sometimes having problems turning on,

When i press the power button, sometimes it turns on right away, and sometimes it doesn't, eventually it turns on after 10 sec or so,

sometimes it doesn't turn on at all so i turn off the power switch at the back of the psu, wait for the motherboard to discharge, and then turn it on back again and it works.

The motherboard LEDs are on and if the computer turns on, i encounter no problem at all,

I checked the voltages in the BIOS and the values are good.

When i press the power button, i sometimes hear a really tinny "tic" sound.

I found someone on reddit having the same issue as me, and a member suggested turning off sleeping mode on the motherboard, but i cant find any. the link : https://www.reddit.com/r/pcmasterrace/comments/3v8u9g/pc_not_turning_on_sometimes_with_cooler_master/


My system is around 1.5 years old except the PSU which is 6 months 

Specifications :

- PSU : Coolermaster v1200

- GPU : Sapphire 390x

- CPU : I5 4690k

- Cooler : NZXT Kraken x61

- RAM : Gskill ripjaws 8go ddr3 1600mhz

        + Adata xpg 16go ddr3 1886mhz

- HDD : western digital blue 1to 7200rpm

- Motherboard : Asus maximus vii ranger


Thanks in advance and sorry for my bad English

Edited by computerxpds, 12 August 2017 - 08:29 PM.
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#2 Yandjin

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Posted 17 February 2017 - 05:30 PM

I figured out that when the computer refuses to start, placing the switch at the back of the power supply on a middle position between on and off starts the computer right away.

does this make any sense?

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