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AB350 Pro4/Ryzen 5 1600 No Post

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smithrock View Drop Down
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    Posted: 13 Jan 2018 at 11:42pm

Hello,

Parts:
CPU: AMD Ryzen 5 1600
Mobo: ASRock AB350 Pro4
RAM: 2x8gb  GeIL Potenza GPR416GB3000C15ADC not found in QVL list

GPU: EVGA GTX 460
PSU: EVGA SuperNOVA 650 G1 120-G1-0650-XR 80+ Gold 650W
 
Problem:
The computer does not post. The CPU fan spins, the GPU fan turns but then nothing, spins for about 30 seconds, shuts down, and re-starts. No posting. I do not have anything else hooked up. The MB is on the table with only GPU, monitor, and power supply connected. I start the power by shorting pwrbnt to gnd. Both CPU and GPU fan starts but nothing on the monitor. After about 30 seconds, everything shuts down, and then re-starts.

I tried RAM in the A2 & B2 slots, A1 & B1, A1 only, and B1 only.
I do not know what the Bios came with it, there is no sticker I can find.

 
I have checked and re-checked all components, disconnected and reconnected, re-seated RAM, checked the 24 pin connection, checked ATX12 connection, also checked the GPU connection. I also tried GPU in PCIE2 and then PCIE4 slots.

Before I purchased this board, I tried Gigabyte GA-AB350-gaming 3 board. That board did not post either, so I sent it back and replaced it with ASRock board. Now I am thinking, the Gigabyte board was probably OK but the problem could be with memory, power supply, or CPU. The graphic card I pulled from my working computer so I am thinking that may be OK. I do not have any extra power supply, memory, or CPU to narrow down the issue.

 

What is next component I should order or should I just give up on this?

1) memory, 2) CPU, or 3) power supply.

I am thinking memory is most likely candidate, which one 2x8 will you suggest?

Been struggling on this for about 3 weeks now. I have assembled 3-4 computers years ago but never ran into frustration like this incident.

 
Thanks in advance.

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zlobster View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote zlobster Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2018 at 11:57pm
Hmm, you appear to know what you're doing. You've also already did what I was about to suggest you.

Few additional things here - did you power up your GPU properly? Try clearing the CMOS a few times.

You could jump-start  the PSU and check w/ multimeter if you're getting the proper voltages at the main rails. Otherwise, your PSU is a good one, but doesn't mean it can't be a dud.

As far as RAM goes, my personal favorite for Ryzens is the G.Skill ones in my sig.

EDIT: are you getting any beeps? It won't hurt checking if CPU is seated properly.


Edited by zlobster - 13 Jan 2018 at 11:59pm
1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB
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Spectre73 View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Spectre73 Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2018 at 12:06am
Seems you did not remove the battery?

So:

- turn PC off
- turn PSU off
- to be sure, clear cmos
- remove cmos battery at least 5 minutes
- power cycle the sytem to remove every residual current
- reseat RAM (i know, you did it many times already, but just do it while sytem is off)
- insert battery
- turn on system

If all of that does not work, I would first change the GPU (hopefully you have a spare) and after that, the PSU (again, use a spare, if you have it)

If all of that does not work, I have no idea. 

Do you have, by chance, any additional PCIe cards/adapters? remove them too.

Are you using a NVMe drive? Does it sit well?


Edited by Spectre73 - 14 Jan 2018 at 12:07am
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smithrock View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote smithrock Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2018 at 12:33am
@zlobster
Thank you for your help.
I checked, GPU power connectors seem to be OK. I am clearing CMOS now.
I do not have multimeter so I cannot check. With power supply, there was a power on self-tester when I connected to 24 pins, power supply fan turned on, do not know what that means in terms of other power supply ports.
I do not have speaker. The board and everything is on the table. I have not put inside the case and case does not have speaker so I cannot check the error code.

@Spectre73
I also thank you,
turned it off, now clearing the CMOS and removed the battery,
I will reseat RAM while I am waiting without the battery,

If still problem, then I will try using the GPU from my working computer per your suggestion.
No additional PCIe or adapters. Nothing is connected.
Only power connectors, memory, GPU and monitor, and CPU. I also switched monitor and GPU port but no luck.
I do not have extra power supply.
Next, I should unhook the CPU cooler, take out CPU, and put back. Can I just start the power without the cooler just to see if it posts or does it damage the CPU without the paste and cooler?
Someone suggested to put the ice pack briefly, not sure if that is OK or not.
I will report back after all of the above.




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MisterJ View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote MisterJ Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2018 at 12:43am
smithrock, you probably need to buy a speaker to hear the beeps - certainly worth the effort.  Something like this - https://www.newegg.com/Product/Product.aspx?Item=N82E16812201032&cm_re=mb_speaker-_-12-201-032-_-Product  But hopefully you can get one locally.  I am curious what you mean by ATX12connection.  The CPU has a 24-pin connector, plus an 8-pin and perhaps a 4-pin.  Make sure all are plugged and oriented correctly.  We have seen more that one user rotate the 4-pin 90 degrees.  If you have or can borrow a voltmeter I would suggest checking voltages.  Since your system powers up check the 24-pin, 8-pin and 4-pin.  Also check the power to the GPU.  12 volts is getting to some parts, but perhaps not others.  Hopefully the beeps will give you a good hint - please let us hear.  Enjoy, John.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote zlobster Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2018 at 12:52am
Knowing the amount of similar issues with these mobos, I'd say I already know where the issues is, however it's worth it to try a few tricks before passing the final judgement.

Although, OP having 2 duds in a row is somewhat unlikely. Then again, we're talking about Gigabyte and ASRock here... LOL

OP: don't just re-seat the CPU cooler, remove and re-seat the CPU as well. NO ICE ON ANYTHING! You should also want to replace the TIM before you put your PC back in the case.

Clearing the CMOS is best done with the PSU and battery taken out. Then shorten the pwr_btn to ground for 15s as if you're to power up.


Edited by zlobster - 14 Jan 2018 at 12:54am
1700X ZP-B1 (stock); X370 Taichi (UEFI 3.10); 16GB F4-3200C14-8GFX XMP; 256GB 960 EVO; RX 580 NITRO+ 8GB
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Post Options Post Options   Thanks (0) Thanks(0)   Quote smithrock Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2018 at 1:39am
Sorry, I meant MB 24-pin connectors and 8-pin CPU. I checked all connectors again. Right now I do not have access to speaker or multimeter.

-Cleared CMOS. disconnected the power, shorted bios jumper, removed battery, waited 15 minutes, put back jumper at original, placed the battery back
-Found one spare power supply, Cooler Master 550. Swapped the power supply, re-checked all connectors.
-Swapped GTX 460 GPU with GPU from my working computer (EVGA geforce 8800 GT) and re-connected 6-pin power on it. The GTX works on my main so I know it is OK.
-Removed CPU cooler, removed CPU, put back gently and make sure it was re-seated, put back the CPU cooler.
******************************************
still no post, exact same behavior, turns the cooler fan, turns the GPU fan, nothing on monitor, after 30 seconds everything shuts down and restarts.
******************************************
GPU is OK.  I eliminated power supply issue by swapping with another one. (two bad ones unlikely). Now, I am down to Memory, MB, or CPU. This board is my second board. Gigabyte board did not work either). So issue with MB could be eliminated.
Is it Memory or CPU? what you guys think?
You all are awesome. Last weekend, I was pulling my hair with Gigabyte MB, posted questions in that forum and no one really helped me. GeIL memory I bought because it was on Gigabyte QVL list. It is not on ASRock QVL list though.

sorry for the long post and thanks in advance
 
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote zlobster Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2018 at 3:53am
'Luckily' for you, at least now you know where the issue is.

Hope you can do another RMA. If you look around here you'll see that this is rather common issue, what you're experiencing. All guys were fine after their RMA, however.

Get a new mobo and see if the RAM will work well with it. If not, I'm afraid you'll have to swap the RAM as well.

Best of luck! Keep us posted!
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smithrock View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote smithrock Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2018 at 4:18am
I am sending RAM back.
Do you think I should try to RMA the MB as well? Should I get the same MOBO or try different and more expensive one?  Ironically, both Gigabyte and ASRock mobos I tried from newegg had mail-in rebates. I wonder if those with mail-in rebates are from some bad batches or older bios giving me some griefs. My usage is typical and not intending to do any gaming or overclocking.
What about CPU? what are the chances that I have bad CPU?

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Post Options Post Options   Thanks (0) Thanks(0)   Quote zlobster Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2018 at 4:37am
Mobo is the base of operations for the entire PC. If mobo is working fine, its built-in mechanisms will tell you is some/any of the other components are misbehaving. Mobo should definitely POST in most cases. In extreme circumstances other bad components could cause a no POST at all.

Bad RAM, bad CPU,etc. all have their respective beep codes.

If swapping the mobo, do yourself a favor and get a decent one. Often people cheap out on the most important PC parts - mobo and PSU.
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