PC shut off and won't turn on again

Mangamer · Jul 14, 2014

Hello, while i was playing on my new pc build that i build myself, it suddenly shut off . I am trying to power it on again but it wont start just the led power goes on for less than one second.I have checked all the connectors and they are properly connected to the motherboard. Please help.

herrwizo · Jul 14, 2014

Most likely a defective (and likely poor quality) power supply. Test with another one if you can.

Also, list all your components if possible. With the exact model of your PSU.

cream · Jul 14, 2014

firstly check your cpu has this could be overheating switching off early to stop damage but more info needs to be posted

Mangamer · Jul 14, 2014

the components:cpu:fx 6300
motherboard:gigabyte 970A-Ud3p
psu:corsair VS550
gpu:sapphire dual-x r7 265
hdd:WD Caviar blue 1TB
ram:crucial balistix sport 8gb DDR3 1600mhz
case:coolermaster k380

herrwizo · Jul 14, 2014

This PSU is technically good enough for your system, but VS (and CX) series are not quite the best quality and tend to have more problems in gaming builds than AX,HX,TX,RM series. I would test with another PSU definitely. And if you get a new one, get the aforementioned series (550W or higher), or XFX Core 550W, Seasonic 550W+, Antec...

Mangamer · Jul 14, 2014

i have installed an aftermarket cpu cooler and it is the Zalman Cpu Cooler CNPS5X Performa

Noobie101 · Jul 14, 2014

First unplug your PC then remove the battery on the motherboard and put it back in and restart. See if that does anything. Sometime when i overclock too mcu it wont even boot after it shuts down. Only way to make it turn on i to do what I said.

Mangamer · Jul 14, 2014

should i use the PSU's warranty?

herrwizo · Jul 14, 2014

You need to test with another PSU first. Borrow one just for test. If you determine that it is indeed the PSU, just RMA it. This will make it easier both to you and the manufacturer.

Mangamer · Jul 14, 2014

Ok i will try removing the battery

Mangamer · Jul 14, 2014

Oh i forgot to mention that the mouse light is still on

Mangamer · Jul 15, 2014

hey guys i did the paper clip test and the fan worked

herrwizo · Jul 15, 2014

This does not mean that it can work under load, only that it can be turned on and that is is not completely dead.

Mangamer · Jul 15, 2014

Thanks herrwizo for your usefull advise. Is there any chance that the Motherboard is dead? I also tried doing what Noobie101 said but it didn't work.

herrwizo · Jul 15, 2014

Could be, but that can only be an option after you try with a different psu. I usually blame the mobo the last

Mangamer · Jul 16, 2014

Can i test my PSU on another pc? But the pc im going to test it on doesnt have a didecated GPU ,so i dont know if it draws all the power that my pc does.

herrwizo · Jul 16, 2014

If this PSU is faulty (and we cant be sure for now) I would not test it anywhere else, to prevent potential damage to the other computer. Try testing your own computer with a working PSU, this is the safest thing to do.

Mangamer · Jul 16, 2014

How many watts should be the psu that i need to test with?

herrwizo · Jul 16, 2014

Any brand-name PSU of at least 400W, you won't be using it for anything except to try whether the system can boot or not - and it won't draw much power this way, so no worries. In fact, try with whatever PSU you can find, which actually works in another computer.

Mangamer · Jul 16, 2014

I forgot to say that the power led doesnt always go on. It will only if i turn off and again on the PSU,otherwise it won't light.Can this help you?

herrwizo · Jul 16, 2014

Just test with another psu, man

Mangamer · Jul 18, 2014

I cannot find an PSU to test with. Are tou 100% sure that the PSU is the defective part and it is responsible about the problem? I am gonna use it's warranty.

Mangamer · Jul 19, 2014

I tested my PSU on another pc and the [pc worked fine. So is the Mobo the deffective part?

herrwizo · Jul 21, 2014

Still can't rule out the PSU. It may be fine for that other rig, but not yours. However, it is now more *likely* that it is the mobo.

This is exactly why I repeated several times to try with a different PSU on your own computer. You are now not any closer to the solution, just got more dilemmas. Clear them all by testing with another PSU. Unless you consider that removing the mobo and placing it into another case with another PSU is easier

In situations like this, you can only try testing with a different, tried and working component.

Mangamer · Jul 25, 2014

The mobo got tested and worked. Could it be the RAM or the cpu?

PC shut off and won't turn on again

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