B450 Pro4 5 beeps no display
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=113257
Printed Date: 18 Jul 2025 at 5:29am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450 Pro4 5 beeps no display
Posted By: Akuseko
Subject: B450 Pro4 5 beeps no display
Date Posted: 09 Jul 2025 at 1:43am
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So i am having issue with B450 Pro 4.0 R2.0 motherboard While in configuration R3 2200g Pro, rx 6600 32GB hyperX(2133mhz) PC boots without any issue But when i bought new R5 3600 PC stopped booting and gives 5 beeps |
Replies:
Posted By: Xaltar
Date Posted: 09 Jul 2025 at 2:00am
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Hi Akuseko, welcome to the forums. 5 beeps typically means no display detected. Try connecting your monitor to a different output on your RX6600. Failing that, try clearing CMOS. If that still doesn't resolve the issue you can try moving your GPU to the other PCIe slot and testing with it there. If it works there then you can try switching it back to it's original slot. Let me know how it goes. ------------- 
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Posted By: Akuseko
Date Posted: 09 Jul 2025 at 2:22am
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Well i don't have any other cables to do this than hdmi one which thru rx 6600 works without any issue when paired with r3 2200g |
Posted By: Akuseko
Date Posted: 09 Jul 2025 at 2:24am
| And this issue looks very similar to other person which had rx 6600 not work at all in PCIE 3.0 16x when run by itself(no other gpu or igpu) |
Posted By: Xaltar
Date Posted: 09 Jul 2025 at 2:35am
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So you have replaced the 2200g in the system and it works again like that? Did you try the GPU in the other slot while paired with your R5 3600? We had another forum user with a similar issue that turned out to be caused by the card sagging in the slot, it would work with the PC lying flat on it's side but stopped working when put back upright. The card had been working perfectly until they upgraded their CPU, they must have put some pressure on the card when swapping in the upgrade CPU. Probably not the issue for you but worth checking. Make sure you clear CMOS before powering up with the 3600 installed. AM4 APUs have a habit of storing problematic/incompatible BIOS settings, likely to support the iGPU. Given you are having a 5 beep error it would make sense the board is looking for a different display output other than your RX6600. When all else fails I have often found this method of clearing CMOS can help get rid of nasty gremlins: https://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal" rel="nofollow - https://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal Hope this helps. -------------
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Posted By: Akuseko
Date Posted: 09 Jul 2025 at 3:17am
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Tried several times to clear cmos and it still results in same thing 5 fast beeps ram switching nothing unplugging and plugging gpu not working checked cpu pins all straight... Bios is newest stable one.. my PC tower is build in way i don't have access to other pcie slot.. without destroying PC.. MB was bought from outlet with dmg to box ... GPU i bought used from guy and it worked without issue with i5 9400f on gigabyte z370.. so my chances to send gpu/mobo for warranty/repair are non existing... |
Posted By: Akuseko
Date Posted: 09 Jul 2025 at 3:22am
| and only solution for this issue i see is just getting amd cpu with igpu.. |
Posted By: Xaltar
Date Posted: 09 Jul 2025 at 3:37am
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I feel like we are missing something obvious here. It may be worth picking up a display port cable before going down the route of switching to another APU. It can even be a display port to HDMI cable so long as you hook it up to the DP output from the GPU. Silly question but I have to be sure, you do have the HDMI cable connected to the RX6600 not the motherboard yes? If you like you can also try opening a support ticket with ASRock Tech Support: https://tw.asrock.com/events/tsd.asp" rel="nofollow - https://tw.asrock.com/events/tsd.asp They may be able to suggest something I haven't thought of, they know their products better than I do. Good luck  -------------
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Posted By: Akuseko
Date Posted: 09 Jul 2025 at 3:39am
| it's plugged to GPU didn't go for first on mobo |
Posted By: Akuseko
Date Posted: 09 Jul 2025 at 3:56am
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try getting to run this PC with older Bios version like 4.9? which added auto disable? rn it's on P8.02 |
Posted By: Akuseko
Date Posted: 09 Jul 2025 at 4:04am
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Also question bc looked up supported ram on both r3 2200g and r5 3600 and while r3 has HyperX 2133mhz r5 3600 doesn't have them on list could be a issue? |
Posted By: Xaltar
Date Posted: 09 Jul 2025 at 4:36am
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I wouldn't mess with downgrading BIOS versions. I also highly doubt it's RAM incompatibility. The 3600 should support all the same RAM that the older architecture 2200g did. Manufacturers don't test every single RAM model and brand with each architecture. Generally, if it's compatible with an older model CPU it will also be compatible with newer ones. If you want to go ahead and try more things, before you mess with BIOS downgrades etc I would suggest trying various BIOS settings with the 2200g installed that have to do with the GPU and PCIe. Maybe try and set the PCIe to PCIe 2.0 or 3.0 manually then reinstall the 3600. Ideally I would have liked to see what happens if you use the other PCIe slot but you said that isn't an option. I have a suspicion that the system will output a display if you do. I am off to bed but I will check back here in the morning. Good luck -------------
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Posted By: Akuseko
Date Posted: 09 Jul 2025 at 5:31am
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Yea so tried setting diffrent gens and it didn't work still good old 5 beeps |
Posted By: Akuseko
Date Posted: 10 Jul 2025 at 2:06am
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Found part causing issues after yeeting b450 asrock(am4) for Z370 gigabyte (lga1151) PC with CPU not having iGPU posted no issue so looks like mobo was faulty |
Posted By: Xaltar
Date Posted: 10 Jul 2025 at 5:41am
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Awesome, glad to hear you have a fully working system again I vaguely remember something about BIOS updating to support the 3000 series having a weird quirk that required special steps be taken for it to work correctly. I believe the issue was resolved in subsequent updates though. Regardless, you have a working system that should hopefully perform better than your 2200g setup so enjoy it  -------------
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Posted By: Akuseko
Date Posted: 10 Jul 2025 at 5:44am
| yea went back to using i5 9400f and not going to touch amd any time soon |