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My newly built computer won't start up

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  • Computers
  • Components
  • Graphics
Last response: in Components
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July 15, 2014 5:06:22 AM

Okay so, I just built my computer and I tried to turn it on but it didn't start up. Actually it started for 1-2s and then shutoff for 1-2s then same thing over and over until I cut the power.
I've tried removing the graphics because my MoBo has integrated graphics, put out the ram, still didn't work. The psu was built in the case when I got it, I hope I'll get some answers that will resolve this issue, THANKS in andvance.

My build:

motherboard: gigabyte ga-b85m-d2v
case: lc power pro 925b with built in psu lc600h-12
ram: corsair vengenance 8gb (only 1 stick)
graphics card: gainward gtx 750 1gb ddr5
hard disc: sata 3 wd blue 1tb
cpu: intel i5 4590

Edit: I did not connect my monitor while trying to turn on the computer.

More about : newly built computer start

July 15, 2014 5:22:55 AM

Sounds like a PSU issue.
What rating is the PSU and what is the total wattage of it?
If you don't know, what is the make and name of your case?
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July 15, 2014 5:31:27 AM

Thanatognomonic said:
Sounds like a PSU issue.
What rating is the PSU and what is the total wattage of it?
If you don't know, what is the make and name of your case?


My psu name is lc600h-12 and it has 600W and my case is the lc power pro 925b
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July 15, 2014 5:34:24 AM

Unfortunately it is a bit of a guessing game going from just a text description, but I'll respond with the most common problem encountered from these symptoms.

All ATX motherboards receive a power good signal over their connector. If this signal isn't sent from the power supply or their isn't enough voltage, it will fail to initialize and may reset continuously.

On old power supplies (or very cheap ones), this can also happen if they have a voltage slider (usually red) on the back and it is set to 220 volts (AC input voltage) when it is plugged into a 110 volt outlet.

I just looked up that power supply from the manufacturer, at http://www.lc-power.de/index.php?id=488&L=1 and it appears that it is only a 220 volt unit (they say "Multirange (110V/220V) no"). If you are trying to run this in the USA, you are out of luck. If you are in a European nation or another one that uses 220 volts, then I am at a loss.
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July 15, 2014 5:44:23 AM

wildfire707 said:
Unfortunately it is a bit of a guessing game going from just a text description, but I'll respond with the most common problem encountered from these symptoms.

All ATX motherboards receive a power good signal over their connector. If this signal isn't sent from the power supply or their isn't enough voltage, it will fail to initialize and may reset continuously.

On old power supplies (or very cheap ones), this can also happen if they have a voltage slider (usually red) on the back and it is set to 220 volts (AC input voltage) when it is plugged into a 110 volt outlet.

I just looked up that power supply from the manufacturer, at http://www.lc-power.de/index.php?id=488&L=1 and it appears that it is only a 220 volt unit (they say "Multirange (110V/220V) no"). If you are trying to run this in the USA, you are out of luck. If you are in a European nation or another one that uses 220 volts, then I am at a loss.


So you're telling me that maybe my psu doesn't have enough voltage?
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July 15, 2014 8:46:27 AM

If you are in the USA, that power supply is a 220 volt unit, so it won't work here.
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!