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Asus Z87-K Standby LED Always on

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Anonymous
July 10, 2014 9:06:40 AM

The green standby LED on my motherboard is always on. Is this normal?

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a b V Motherboard
July 10, 2014 9:40:55 AM

It is on on my h87 m plus asus board, so yes.
I believe its purpose is to tell you the board is powered, so no inadvertent works are carried out before turning off the power supply.
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Anonymous
July 10, 2014 9:47:16 AM

Thanks . I have been having performance issues with a gtx 760 (I think its a gpu issue). I was just checking out all possible problems. Is there any way to check if power supply has any problems?
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a b V Motherboard
July 10, 2014 10:25:06 AM

Tell us what the cpu and power supply is and we can give you a guess.
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Anonymous
July 10, 2014 10:34:37 AM

Cpu is I5 4670K & PSU is 600 watt FSP 600-50ARN. It meets recommended requirements but I was trying to find out if it is working at full capacity.
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a b V Motherboard
July 10, 2014 10:50:45 AM

https://community.newegg.com/eggxpert/computer_hardware...

Fortron fsp are listed in band two and three which is not too bad. You should check all voltage rails while it is at load. Common symptoms
of wearing out are problems only being experienced in games, or if it is really bad, failing to boot into windows.
Try underclocking the card by 5 % to see if the card is just not as good as it should be. If it makes no difference under clock the card by twenty %. If that works its probably the power supply.
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Anonymous
July 10, 2014 11:01:55 AM

Sorry. I should have made it clearer that I have already sent the 760 back under warranty. I am replacing it with a 770. The system builder asked me to send my system event log. From this information they said the gpu driver was crashing under normal usage. They said it was most likely a gpu card fault but less likely could be a PSU issue so I am swapping out the gpu first. I didn't know anything about the system event logs. I am going to read up on diagnostics and using the event log as it sounds really interesting. Looks like gobbledigook at the moment.
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a b V Motherboard
July 10, 2014 11:21:24 AM

O.K. As a rule , you should use a better QUALITY supply than Fortron for a card as big as a 770. I would recommend an xfx 650 pro core,
seasonic 620, the minimum I would use is an XFX 550 pro core.
Your system actual powerl draw is going to be around 300 watts and it will nearly all be on the 12 volt rail.
However. Lets see how it goes, hey? I have not heard anything about fortron supplies. Maybe somebody else has data on this brand's reliability.
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Anonymous
July 10, 2014 11:30:16 AM

Information is pretty patchy on fsp. I think there are 42 amps on the 12v rail.

I just wondered if there was a stress test for PSUs like Prime95 for cpus. I suppose the best test will be running Arma on ultra with a stupid draw distance.

I am not sure about swapping out a PSU. Is this relatively pain free?
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a b V Motherboard
July 10, 2014 11:52:05 AM

Swapping the psu is no biggee but you must be carefull taking the big atx cable off the board so you do not damage the socket.
Patience is required if it is a tite fit. Other than that its straight forward.
I would not recommend stressing the psu as hard as you can, because when they fail 'BIG TIME' ( POP!)
is when they can destroy your computer components. Look for other signs it is failing.
If poss, borrow one and see if the symptoms vanish.
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