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Computer won't boot after CPU upgrade
Sir CarcassI have been shown the end of my worldRound Rock, TXRegistered Userregular
I'm at a loss. I recently purchased a new CPU during black Friday. After swapping it in, the computer won't boot. The fans spin up for several seconds, then it just restarts. The CPU and DRAM red lights are solid while it's on. I don't have a speaker, so no beeps. When swapping the old CPU back in, it works fine. BIOS is up to date, motherboard supports the CPU, and I've tried resetting the CMOS. All I did when swapping back and forth was remove GPU and swap CPU.
Motherboard is an Asrock X570 Phantom Gaming 4 (BIOS 4.3), old CPU is a 2700X, and the new CPU is a 5700X. PSU is evga, I think 600 watt. GPU is 5700XT.
were/are you running custom ram settings/timings on the 2700X? just a guess but maybe it doesn't like something about the RAM.
No, I wasn't. I also used the jumper to reset the CMOS just in case there was a setting conflicting. This is the RAM I have: Corsair CMK16GX4M2Z2933C16 VENGEANCE LPX 16GB (2 x 8GB) DDR4 2933 (PC4-23400) C16 1.35V
I tried removing one of the sticks as I saw that worked for someone, but no dice. They're in the recommended slots per the motherboard manual and they've worked fine with my 2700X. I guess it's possible they're not compatible with the 5700X, but I'd think they would be based on what I can find.
I checked the 5700X for bent pins but they all looked good and it slips into the slot easily both times I installed it.
A couple thoughts:
1. Did you try leaving the system to cycle a bit when you installed the new CPU? Sometimes Ryzen wants a bunch of time to re-do memory timings, etc.
2. Did you really update to the 4.3 bios? Looking at your motherboard site (https://www.asrock.com/mb/AMD/X570 phantom Gaming 4/index.asp#BIOS) it looks like there are a lot of warnings about how you have to use a Zen3 (Matisse) CPU or newer to update. Under the 3.20 BIOS update is a link to instructions for using an older CPU (you have to create an EFI-bootable USB, and use the command line).
+1
Sir CarcassI have been shown the end of my worldRound Rock, TXRegistered Userregular
A couple thoughts:
1. Did you try leaving the system to cycle a bit when you installed the new CPU? Sometimes Ryzen wants a bunch of time to re-do memory timings, etc.
2. Did you really update to the 4.3 bios? Looking at your motherboard site (https://www.asrock.com/mb/AMD/X570 phantom Gaming 4/index.asp#BIOS) it looks like there are a lot of warnings about how you have to use a Zen3 (Matisse) CPU or newer to update. Under the 3.20 BIOS update is a link to instructions for using an older CPU (you have to create an EFI-bootable USB, and use the command line).
1.) I did leave it for a little while, but I don't think it was actually POSTing, just stuck in a boot cycle. I never saw the GPU fans spin up when it was cycling like that and nothing ever displayed on the monitor.
2.) I think so? It was a while back, but I just downloaded the file (X570PG44.30) and flashed it through the BIOS like normal. The BIOS shows the version as P4.30. I guess it's possible I didn't do something correctly. I'll look into it.
Edit: And I see that 4.3 isn't the most recent. I thought it was but I was just looking at the CPU compatibility list. I could try 4.50.
A couple thoughts:
1. Did you try leaving the system to cycle a bit when you installed the new CPU? Sometimes Ryzen wants a bunch of time to re-do memory timings, etc.
2. Did you really update to the 4.3 bios? Looking at your motherboard site (https://www.asrock.com/mb/AMD/X570 phantom Gaming 4/index.asp#BIOS) it looks like there are a lot of warnings about how you have to use a Zen3 (Matisse) CPU or newer to update. Under the 3.20 BIOS update is a link to instructions for using an older CPU (you have to create an EFI-bootable USB, and use the command line).
1.) I did leave it for a little while, but I don't think it was actually POSTing, just stuck in a boot cycle. I never saw the GPU fans spin up when it was cycling like that and nothing ever displayed on the monitor.
2.) I think so? It was a while back, but I just downloaded the file (X570PG44.30) and flashed it through the BIOS like normal. The BIOS shows the version as P4.30. I guess it's possible I didn't do something correctly. I'll look into it.
Edit: And I see that 4.3 isn't the most recent. I thought it was but I was just looking at the CPU compatibility list. I could try 4.50.
EDIT: I think you will need to put the 4.3 bios file in the BIOS update package directory (take out the old BIOS), and then use the command prompt instructions.
EDIT 2: Have you tried contacting Asrock for guidance?
My read of the ASRock website is that there's some kind of wizardry in Instant Flash that, if you update the BIOS to the new versions using an pre-ryzen-3000 CPU, it will update the BIOS but not enable support for the newest 5000 series CPUs. That is so that they can push updates without disabling support for older chips. In order to enable support for Ryzen 5000, you have to use their BIOS update package utility on a USB drive, which is what that PDF details. That may remove support for older CPUs like the 2700X.
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Sir CarcassI have been shown the end of my worldRound Rock, TXRegistered Userregular
My read of the ASRock website is that there's some kind of wizardry in Instant Flash that, if you update the BIOS to the new versions using an pre-ryzen-3000 CPU, it will update the BIOS but not enable support for the newest 5000 series CPUs. That is so that they can push updates without disabling support for older chips. In order to enable support for Ryzen 5000, you have to use their BIOS update package utility on a USB drive, which is what that PDF details. That may remove support for older CPUs like the 2700X.
Hmm, that's very possible. I haven't contacted ASRock yet because I figured it was probably something simple I was missing. I'll research more into updating the BIOS. That at least gives me something to pursue. Thank you everyone for the suggestions!
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Sir CarcassI have been shown the end of my worldRound Rock, TXRegistered Userregular
Okay, I updated the BIOS via the EFI process (using the same 4.30 file I had used previously). I had to edit the script to use the new filename, but other than that it did a bunch of stuff. Strangely, my 2700X is still working, so I don't know if it actually did anything new. Though I did see mention of the newer BIOS just removing support for the oldest AM4 CPUs. I'll try swapping out the CPU again in a little while.
if it starts boot looping with no screen output, try leaving it doing that for a few minutes, see if it sorts itself out. I have the vague memory that this is just how the system behaves while it's configuring memory with a new CPU or new RAM the first time, but I'm not sure how long or how many reboots is normal.
BahamutZERO on
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Sir CarcassI have been shown the end of my worldRound Rock, TXRegistered Userregular
I just put it back in and it's still doing the same thing. I'll let it go for a bit, but I don't think it's working.
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Sir CarcassI have been shown the end of my worldRound Rock, TXRegistered Userregular
I'm guessing it shouldn't take more than 15 minutes... which it has. I might just have to RMA it.
Sir CarcassI have been shown the end of my worldRound Rock, TXRegistered Userregular
Figured I should update this thread. I've tried a number of things, and recently was able to borrow a 3600 to try flashing the BIOS with. After doing that, I was able to get it to boot with RAM in channel A. Any combination of using channel B would cause it to do the same infinite bootloop. I tried with some new RAM that we bought for my son for Christmas (shhhh) and it was the same issue. The RAM worked fine in dual channel with the 2700X, but I can't rule out it being a problem with the motherboard.
Posts
No, it's on the most recent firmware, and the website lists it as compatible with the CPU.
No, I wasn't. I also used the jumper to reset the CMOS just in case there was a setting conflicting. This is the RAM I have: Corsair CMK16GX4M2Z2933C16 VENGEANCE LPX 16GB (2 x 8GB) DDR4 2933 (PC4-23400) C16 1.35V
I tried removing one of the sticks as I saw that worked for someone, but no dice. They're in the recommended slots per the motherboard manual and they've worked fine with my 2700X. I guess it's possible they're not compatible with the 5700X, but I'd think they would be based on what I can find.
I checked the 5700X for bent pins but they all looked good and it slips into the slot easily both times I installed it.
1. Did you try leaving the system to cycle a bit when you installed the new CPU? Sometimes Ryzen wants a bunch of time to re-do memory timings, etc.
2. Did you really update to the 4.3 bios? Looking at your motherboard site (https://www.asrock.com/mb/AMD/X570 phantom Gaming 4/index.asp#BIOS) it looks like there are a lot of warnings about how you have to use a Zen3 (Matisse) CPU or newer to update. Under the 3.20 BIOS update is a link to instructions for using an older CPU (you have to create an EFI-bootable USB, and use the command line).
1.) I did leave it for a little while, but I don't think it was actually POSTing, just stuck in a boot cycle. I never saw the GPU fans spin up when it was cycling like that and nothing ever displayed on the monitor.
2.) I think so? It was a while back, but I just downloaded the file (X570PG44.30) and flashed it through the BIOS like normal. The BIOS shows the version as P4.30. I guess it's possible I didn't do something correctly. I'll look into it.
Edit: And I see that 4.3 isn't the most recent. I thought it was but I was just looking at the CPU compatibility list. I could try 4.50.
What version were you on before? You could go back to that and try again, or try re-flashing with 4.3 using the instructions here:
https://download.asrock.com/TSD/Ryzen5000/X570 Phantom Gaming 4.pdf
EDIT: I think you will need to put the 4.3 bios file in the BIOS update package directory (take out the old BIOS), and then use the command prompt instructions.
EDIT 2: Have you tried contacting Asrock for guidance?
Hmm, that's very possible. I haven't contacted ASRock yet because I figured it was probably something simple I was missing. I'll research more into updating the BIOS. That at least gives me something to pursue. Thank you everyone for the suggestions!