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New build using Z270 Pro4, not booting

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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 18 Mar 2017 at 4:58am
CPU+Cooler, RAM and power supply. Obviously you will need to hook up the monitor and a keyboard too Wink

Never power on a system without a CPU cooler installed on your CPU. It probably won't fry it outright but it could damage it or drastically shorten it's lifespan.

Make sure you have the CPU 8 pin connected to the CPU 8 pin connector on the board not a PCIe 8 pin. You would think it ins't possible as the connectors are molded differently but it is surprisingly easy to force it, so much so you may just think the connector is just particularly snug. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dimpole Quote  Post ReplyReply Direct Link To This Post Posted: 18 Mar 2017 at 4:18am
I was afraid I'd forget something too so I went veeeeery slowly, following instructions, double checking everything, especially since it was my first time building a complete PC and I was a bit nervous. The only thing I haven't connected anywhere from my PSU (which is non-modular) is the floppy cable; no idea why there is still one of those though.

What should I leave connected for the minimal build outside the box? Just the CPU and RAM? (and the screen) Should I remove the CPU cooler as well?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 18 Mar 2017 at 3:25am
Don't laugh. That "experienced builder" has been me many a time. Or, I forget to plug that modular cable into the PSU at the other end of it Tongue



So long as you're sure the 8-pin didn't become a 4-pin in missing half it's connection .........


....... then I'd say it's time to do an out of the case minimal build, with the MB on a bare cardboard box.






If it doesn't boot after the above, it gets even uglier.








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Post Options Post Options   Thanks (0) Thanks(0)   Quote dimpole Quote  Post ReplyReply Direct Link To This Post Posted: 18 Mar 2017 at 3:18am
Haha, yes, I have connected them both. Smile They both seem to be plugged in tightly as far as I can see.

The p/n for my 2666 RAM is: CMK8GX4M1A2666C16 and for the 2400 I tried today: CMK8GX4M1A2400C16.

Thanks a lot for your reply!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 18 Mar 2017 at 2:32am
Originally posted by dimpole dimpole wrote:

Just finished my first attempt at a build a few days ago and unfortunately I've been having issues.


When I turn the PC on, the case, CPU and GPU fans begin working, the GPU lights up but nothing else happens and I get a "no signal" on my screen. The PC doesn't turn off but just remains in this state. The PC makes no beeps but I don't think the box includes speakers because I haven't found any speaker connectors to connect to the motherboard.


After searching online I've checked all plugs multiple times,



I must ask as even experienced builder overlook it in a rush to fire it up the first time. And, by your desc ..........

Have you connected BOTH the 24-pin power on the rt edge _AND_ the 8-pin CPU power at the upper left?


What is the P/N of the stick of Corsair?






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Post Options Post Options   Thanks (0) Thanks(0)   Quote dimpole Quote  Post ReplyReply Direct Link To This Post Posted: 18 Mar 2017 at 1:21am
Just finished my first attempt at a build a few days ago and unfortunately I've been having issues.

When I turn the PC on, the case, CPU and GPU fans begin working, the GPU lights up but nothing else happens and I get a "no signal" on my screen. The PC doesn't turn off but just remains in this state. The PC makes no beeps but I don't think the box includes speakers because I haven't found any speaker connectors to connect to the motherboard.

After searching online I've checked all plugs multiple times, removed the GPU and used the motherboard's HDMI, DV-I and VGA outputs (haven't put the GPU back in yet as I try various things), tried moving the RAM stick to different slots and booting with no RAM at all (still no beeps), cleared CMOS and removed the CMOS battery for about an hour before returning the Clear CMOS jumper to its default place and replacing the battery, pulled the power cable and kept the power button pressed for a few seconds (which apparently worked for some people).

Today I tried using a 8GB 2400 Corsair Vengeance RAM stick but still no luck.

I was told that I might have to update the BIOS to a newer version since the newer versions fix some compatibility issues but since I can't boot up the PC I can't update the BIOS either.

I'm at a loss, really. Is my motherboard broken? Any help would be really appreciated. Thanks!

My specs are:

  • Motherboard: ASRock Z270 Pro4

  • CPU: i5-7600K

  • RAM: 1x8GB Corsair Vengeance LPX DDR4-2666

  • GPU: MSI Radeon RX 480 8GB

  • PSU: 620 Watt Seasonic S12II Bronze Non-Modular

  • Box: Phanteks Enthoo Pro

  • HDD and 240GB SSD

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