Solved PC wont boot up, only LEDs on Motherboard work.how do I fix?

December 18, 2017 at 11:22:43
Specs: windows 10, i5/16gb trident Z
my PC won't boot up and only the LEDs on the motherboard work. There is the LED strip and the small orange LED that shows the power supply is working. when I press the power button nothing happens (button does not light up either). I have an EVGA watt power supply and an ASUS STRIX b250g motherboard and an MSI 1060 TI 6GB graphics card. My case is an NZXT s340, my CPU is a core i5 7800.
I don't know what the problem is and I would love to get it fixed.
thanks.

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✔ Best Answer
December 19, 2017 at 17:32:40
Make up your mind - 1st you said "when I press the power button it makes some clicking and beeping noises". Now you say it doesn't beep. Which is it? If you have a PC speaker connected & there are no beeps, you have a major problem.

Who built this thing? If it was you, have you ever built a computer before? Did you bench test the hardware before putting it in the case? If not, you skipped a very important step. The best thing to do now would be disconnect as much as possible to see if you can get the board to boot. Remove the graphics card & connect the monitor cable to the motherboard. Disconnect all drives (SSD, HDD, DVD, etc). Remove all memory except for one stick. Unplug the mouse; leave keyboard connected. Make sure both plugs (24-pin & 8-pin) from the power supply are connected securely to the motherboard. After doing that, try to power up the system & see if you can get into the BIOS by using the keyboard.

BTW, power supplies generally don't click. If they do make noise, it's usually something to do with the fan. Looking back at your specs list, I see some errors. You didn't list the wattage for your power supply & there is no "core i5 7800"



#1
December 18, 2017 at 12:13:13
try this:

unplug PSU
hold power button for 15sec
plug PSU back in
reboot

post resuslts

i5-6600K@4.664GHz/4.460GHz cache@1.325v | 2x4GB Crucial-DDR4-2133@ 14-14-14-28 1T 2738MHz@1.3v | ASUS Z170-K | Samsung 250GB SSD 850 EVO | MSI RX 570 ARMOR 4GB@1325cc@2060mem | Corsair VS450


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#2
December 18, 2017 at 13:35:58
thank you so much, I will try it out right away!
by the way, do you mean unplug it from the wall and do I hold the case power button?

message edited by Pierce


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#3
December 18, 2017 at 15:58:58
what do you mean by reboot?

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Related Solutions

#4
December 18, 2017 at 16:44:20
this did not work

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#5
December 18, 2017 at 17:50:20
Does your case have a PC speaker? You'll need one to hear any beep codes.

If it's not beeping, despite having a speaker, I'd suggest unplugging the PSU, and shorting the green and black pins together. This should start the PSU fan, and the PSU should start providing power to the other pins. Verify the voltage is correct, +/- 5%.

If that doesn't check out, there is a problem with the power supply. If it does check out, Make sure the MB's CMOS reset jumper isn't enabled, connect the PSU, and short the power swich pins together on the MB. This is equivalent to pressing the case's power button. If things start up, the case switch is the issue. Otherwise, the MB's probably either bad or shorting out on the case.

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#6
December 18, 2017 at 18:05:07
It does not have a speaker but when I press the power button it makes some clicking and beeping noises

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#7
December 18, 2017 at 18:35:14
If you're getting beeps, then pull out the user manual, look up the beep codes, and figure out which error it's throwing.

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#8
December 18, 2017 at 18:56:19
what is a beep code?

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#9
December 18, 2017 at 20:04:41
"what is a beep code?"

All motherboards beep at startup to indicate if everything is OK or if there are any problems. Some boards have a built-in speaker, others need a small PC speaker attached. The PC speakers look like the ones in this wikipedia article: https://en.wikipedia.org/wiki/PC_sp...

When the system boots & everything is OK, you'll hear a single beep. If there's a problem, there's usually a series of beeps. They can be any combination of short tones, long tones, pauses, or high/low tones. The combination of beeps is a code. Once you determine the code, you can look up what it means.

Is this a new build or had the system been working? Have you made any hardware changes? From what I can tell from looking at the manual, your board uses an AMI BIOS. Here's the manual: http://dlcdnet.asus.com/pub/ASUS/mb...

And here's the beep codes for AMI: https://www.computerhope.com/beep.h...


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#10
December 18, 2017 at 20:41:18
it is a new build and do you think there are any broken parts?

message edited by Pierce


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#11
December 19, 2017 at 08:10:01
I don't know; you're the one looking at the machine. I'm looking at a perfectly fine and working PC. You have your next steps. If the PC is beeping at you, figure out how it's beeping, and look up the beep code in the MB manual. I am looking at the table right now. It's on page 2-17 of the English manual.

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#12
December 19, 2017 at 08:16:19
here is a direct link to the page:

http://dlcdnet.asus.com/pub/ASUS/mb...

i5-6600K@4.650GHz/4.448GHz cache@1.33v | 2x4GB Crucial-DDR4-2133@ 14-14-14-28 1T 2730MHz@1.3v | ASUS Z170-K | Samsung 250GB SSD 850 EVO | MSI RX 570 ARMOR 4GB@1342cc@2100mc undervolted | Corsair VS450


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#13
December 19, 2017 at 15:04:17
it doesn't really beep but it makes some weird clicking noise coming from the power supply.

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#14
December 19, 2017 at 17:32:40
✔ Best Answer
Make up your mind - 1st you said "when I press the power button it makes some clicking and beeping noises". Now you say it doesn't beep. Which is it? If you have a PC speaker connected & there are no beeps, you have a major problem.

Who built this thing? If it was you, have you ever built a computer before? Did you bench test the hardware before putting it in the case? If not, you skipped a very important step. The best thing to do now would be disconnect as much as possible to see if you can get the board to boot. Remove the graphics card & connect the monitor cable to the motherboard. Disconnect all drives (SSD, HDD, DVD, etc). Remove all memory except for one stick. Unplug the mouse; leave keyboard connected. Make sure both plugs (24-pin & 8-pin) from the power supply are connected securely to the motherboard. After doing that, try to power up the system & see if you can get into the BIOS by using the keyboard.

BTW, power supplies generally don't click. If they do make noise, it's usually something to do with the fan. Looking back at your specs list, I see some errors. You didn't list the wattage for your power supply & there is no "core i5 7800"


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#15
December 19, 2017 at 17:51:23
I'm going to guess that the clicking sound *is* coming from
the power supply, indicating that it is broken and needs to be
replaced.

But that's just a guess.

If you can remove the power supply and take it to a computer
repair shop, they *might* be able to test it for you at minimal
cost. Otherwise take the whole box.

-- Jeff, in Minneapolis

message edited by Jeff Root


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#16
December 19, 2017 at 21:09:00
Here is another possibility:
The motherboard is shorting out on the case. You have either additional stand offs under the motherboard, one in the wrong place, a missing or extra screw, or a loose screw or something under the board. The short is causing the power supply to try to power on but is tripping a breaker and cutting out. It is also possible that a wire in one of the bundles is either pinched under a screw or component or cut through on a sharp part of the case causing the short.
If you tested the system outside of the case and you knew it worked then you would have known where to look as soon as it did not boot up once installed in the case, before even the other components were installed.
Do as riider recommends and break it down to the basics to test it out and while you are at it, check the things I mentioned looking carefully for a short.

You have to be a little bit crazy to keep you from going insane.


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#17
December 20, 2017 at 08:23:11
thanks so much everyone, I will try it out right away once I get home. Sorry for bothering you.

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#18
December 20, 2017 at 14:30:40
to riider
I am building it and this is my first build. how do you bench test parts?

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#19
December 20, 2017 at 16:43:40
http://www.techsupportforum.com/for...

You have to be a little bit crazy to keep you from going insane.


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#20
December 20, 2017 at 19:06:36
I've already given you your next steps way back in #5. It will help you isolate the issue, which is the first step in troubleshooting.

How To Ask Questions The Smart Way


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