I built my first pc and it does not turn on please help

chapss · Jul 11, 2015

I just put together my new pc and i plugged in the psu my motherboard led lights turn on i turn on the pc from the case power button and the power on button led flashed blue for a second and then nothing happened. please help i have no idea what happened or why the pc isnt turning on and working. This is my build right below

CPU: Intel Core i5-4690 3.5GHz Quad-Core Processor
Motherboard: Asus Z87-Pro ATX LGA1150 Motherboard
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: EVGA GeForce GTX 750 Ti 2GB FTW ACX Video Card
Case: NZXT Phantom 410 (White) ATX Mid Tower Case
Power Supply: Corsair CX 600W 80+ Bronze Certified Semi-Modular ATX Power Supply

chapss · Jul 11, 2015

Alright i flashed the motherboard successfully untill it stopped beeping but the same thing happened when i turned it on so that didnt work now what? Also the fan for my psu isnt turning so is the problem my psu?

Xemko · Jul 11, 2015

https://www.asus.com/Motherboards/Z87PRO/HelpDesk_CPU/
Core i5-4690 (3.5Ghz, 4C, L3:6M, HD Graphic, 84W, rev.C0)
*Before using the new Intel 4th Gen Core processors, we suggest that you first download the BIOS updater for new Intel 4th Gen Core Processors and then update the BIOS using this tool.

Might be this ^

chapss · Jul 11, 2015

My bios wont even show up im just trying to turn on the pc i just tried flashing the bios but i had the same problem trying to turn it on.

fliger5 · Jul 11, 2015

The problem is that the motherboard got released earlier than the CPU, thus the motherboard doesn't recognize the CPU. It's compatible but it needs a BIOS update "to get to know" the CPU.

Plus your CPU is not overclockable, you should've bought a motherboard with H97-chipset.

Now to solve your problem there are 2 possibilites:

1. You put in a compatible CPU to be able to start the PC and update the BIOS but I doubt you have such a CPU.

2. You send back the motherboard and buy one with an H97 chipset instead.

chapss · Jul 11, 2015

Is this really the solution? because on pc part picker it just said to flash the bios according to this - Compatibility Notes

Some Intel Z87 chipset motherboards may need a BIOS update prior to using Haswell Refresh CPUs.

Xemko · Jul 11, 2015

chapss :

Yes you need to flash the bios, in order to do that you need compatible CPU to boot the motherboard and get into the BIOS.

tiny voices · Jul 11, 2015

No, the computer will start just fine without the BIOS flash, it will just not display anything. If the PC is not even turning on, then you have a different issue. Follow these steps:

chapss · Jul 11, 2015

i flashed the bios already though following the usb flash this guy showed me how to do it heres his response - Plug it into the 2nd USB 3 port under the ethernet port. Press the BIOS_FLBK button for 3 seconds on the motherboard, until a flashing light appears. it's on the bottom

Wait for it to stop flashing. You dont need the CPU for flashback. Thats one good thing about it. JUST the PSU. This has to be connected

fliger5 · Jul 11, 2015

Well before you send back the motherboard, I'd check the plugs again and also the frontpanel cables.

And in order to update the BIOS according to the "Compatibility Notes" you need a working compatible CPU to be able to enter the BIOS and update it.

Next time ask someone in this forum if all the parts are compatible, this is a common beginner's mistake. Happened to me once, never again.

Edit: Nevermind, apparently there are also (at least for some motherboards) methods to update the BIOS without a compatible CPU.

chapss · Jul 11, 2015

I am going to remove the mother board and just try to turn it on without the case i think its called bread boarding?

chapss · Jul 11, 2015

also i dont think i installed standoffs is that the problem?

TheTemest · Jul 11, 2015

Unplug every cable to your computer, including the power cable. Wait about 30 to 60 seconds and then plug in the power cable. Start the computer but do not release the power button. Keep it depressed about 30 seconds and then release it.

sizzling · Jul 11, 2015

chapss :

That's a very big problem and probably killed your motherboard as it would have shorted out the motherboard on the case. Please check and let us know if you installed them.

chapss · Jul 11, 2015

TheTemest :

which power button the one on the case or motherboard?

chapss · Jul 11, 2015

sizzling :

oh now do i bread board it to see if the motherboard is shorted? or what do i do now im really worried

TheTemest · Jul 11, 2015

The case.

sizzling · Jul 11, 2015

chapss :

First check did you install them. If no take out the motherboard and try bread boarding but I don't like your chances. All the tracks and solder joints on the back of the motherboard most likely were shorted out against the case :??:

chapss · Jul 11, 2015

i dont think i installed the stand offs....

tiny voices · Jul 11, 2015

^ that is an issue. The motherboard could be shorting out on the case.

chapss · Jul 11, 2015

alright ill go bread board it and see i really hope the motherboard isnt dead

tiny voices · Jul 11, 2015

It won't be dead. It's fine. Just install the standoffs and put the motherboard back in the case.

chapss · Jul 11, 2015

tiny voices :

Can i turn it on before i put it back in the case?

tiny voices · Jul 11, 2015

Sure, if you want.

sizzling · Jul 11, 2015

Fingers crossed for you but I've seen this before.

I built my first pc and it does not turn on please help

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