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Z390 Phantom Gaming-ITX/ac not starting

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owinfrey View Drop Down
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    Posted: 17 Dec 2019 at 10:28pm
Today, I experienced the same issue with my computer. It powers on for 30 seconds and then restart, endless loop. I found the Bios to the issue with my ASRock z390 phantom gaming 4-CB (yes.. cyberpower).

I don't have the means to downgrade the CPU from i7-9700kf to 8 series or the time, so here's what worked for me:

Reset the motherboad CMOS
1. remove the GPU
2. locate the cmos battery and remove
3. find the cmos jumper and short for 20 secs.
4. replace the the battery
5. replace the gpu
6. turn on computer. It will start in Cmos
7. set the time and date, save and exit
8. System should reboot into the os

Now you should be able to flash the bios.

I hope this work for others...
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Klax View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Klax Quote  Post ReplyReply Direct Link To This Post Posted: 13 Nov 2019 at 7:29pm
I just powered on my system and have the same issue. However, I have bios version 4.00. Just sent a message to tech support.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tormyh Quote  Post ReplyReply Direct Link To This Post Posted: 09 Nov 2019 at 11:22pm
Originally posted by MikaelS MikaelS wrote:

Originally posted by tormyh tormyh wrote:

Originally posted by MikaelS MikaelS wrote:

Originally posted by tormyh tormyh wrote:

Hi. Did you get any reply from support?
Got the exact same problem, nothing only red pulsing lights.

Br.

Yes. It is the BIOS version. When I looked at the chip on the board, the small sticker said 1.03 (I believe).

According to https://www.asrock.com/MB/Intel/Z390%20Phantom%20Gaming-ITXac/index.asp#CPU this board supports 9700 CPU since BIOS version P4.00.

In order to upgrade the BIOS, the only solution provided by Asrock Support, was to install a Gen 8 CPU, update BIOS and then 穩nstall the Gen 9 CPU.

I shipped the board to my retailer and they would do it for me (since I don't have a Gen 8 CPU).

The board arrived yesterday but I haven't had a chance to test it yet.


Thanks for your answer. My version 1.20 I think. but that wasnt an issue. The problem turns out to be a cable issue. Works great now.

Lucky you :-)

Enjoy it, I hope it's worth the money :)


Really happy with it so far, hope it lasts a long time :)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MikaelS Quote  Post ReplyReply Direct Link To This Post Posted: 09 Nov 2019 at 10:56pm
Originally posted by tormyh tormyh wrote:

Originally posted by MikaelS MikaelS wrote:

Originally posted by tormyh tormyh wrote:

Hi. Did you get any reply from support?
Got the exact same problem, nothing only red pulsing lights.

Br.

Yes. It is the BIOS version. When I looked at the chip on the board, the small sticker said 1.03 (I believe).

According to https://www.asrock.com/MB/Intel/Z390%20Phantom%20Gaming-ITXac/index.asp#CPU this board supports 9700 CPU since BIOS version P4.00.

In order to upgrade the BIOS, the only solution provided by Asrock Support, was to install a Gen 8 CPU, update BIOS and then 穩nstall the Gen 9 CPU.

I shipped the board to my retailer and they would do it for me (since I don't have a Gen 8 CPU).

The board arrived yesterday but I haven't had a chance to test it yet.


Thanks for your answer. My version 1.20 I think. but that wasnt an issue. The problem turns out to be a cable issue. Works great now.

Lucky you :-)

Enjoy it, I hope it's worth the money :)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tormyh Quote  Post ReplyReply Direct Link To This Post Posted: 09 Nov 2019 at 10:54pm
Originally posted by MikaelS MikaelS wrote:

Originally posted by tormyh tormyh wrote:

Hi. Did you get any reply from support?
Got the exact same problem, nothing only red pulsing lights.

Br.

Yes. It is the BIOS version. When I looked at the chip on the board, the small sticker said 1.03 (I believe).

According to https://www.asrock.com/MB/Intel/Z390%20Phantom%20Gaming-ITXac/index.asp#CPU this board supports 9700 CPU since BIOS version P4.00.

In order to upgrade the BIOS, the only solution provided by Asrock Support, was to install a Gen 8 CPU, update BIOS and then 穩nstall the Gen 9 CPU.

I shipped the board to my retailer and they would do it for me (since I don't have a Gen 8 CPU).

The board arrived yesterday but I haven't had a chance to test it yet.


Thanks for your answer. My version 1.20 I think. but that wasnt an issue. The problem turns out to be a cable issue. Works great now.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MikaelS Quote  Post ReplyReply Direct Link To This Post Posted: 09 Nov 2019 at 10:35pm
Originally posted by tormyh tormyh wrote:

Hi. Did you get any reply from support?
Got the exact same problem, nothing only red pulsing lights.

Br.

Yes. It is the BIOS version. When I looked at the chip on the board, the small sticker said 1.03 (I believe).

According to https://www.asrock.com/MB/Intel/Z390%20Phantom%20Gaming-ITXac/index.asp#CPU this board supports 9700 CPU since BIOS version P4.00.

In order to upgrade the BIOS, the only solution provided by Asrock Support, was to install a Gen 8 CPU, update BIOS and then 穩nstall the Gen 9 CPU.

I shipped the board to my retailer and they would do it for me (since I don't have a Gen 8 CPU).

The board arrived yesterday but I haven't had a chance to test it yet.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tormyh Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2019 at 2:15am
Hi. Did you get any reply from support?
Got the exact same problem, nothing only red pulsing lights.

Br.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MikaelS Quote  Post ReplyReply Direct Link To This Post Posted: 16 Sep 2019 at 8:57pm
Originally posted by Xaltar Xaltar wrote:

Get in touch with ASRock Tech Support. They should be able to advise you.

https://event.asrock.com/tsd.asp


Thanks Xaltar. I will give it a go.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 16 Sep 2019 at 8:34pm
Get in touch with ASRock Tech Support. They should be able to advise you.

https://event.asrock.com/tsd.asp

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Post Options Post Options   Thanks (0) Thanks(0)   Quote MikaelS Quote  Post ReplyReply Direct Link To This Post Posted: 16 Sep 2019 at 8:03pm
Originally posted by CHnuschti CHnuschti wrote:

Sounds new to me, but might be an undocumented way to upgrade the bios.

Go to the page https://www.asrock.com/MB/Intel/Z390%20Phantom%20Gaming-ITXac/index.asp#BIOS and download the "INSTANT FLASH" of newer version, you might try 4.00 first. Unpack the files and copy them to a USB Stick formatted with FAT32.
Then plug the usb stick to one of those Nr. 15 as per manual USB ports and reboot. If it reboots automatically, just let it do this for quite a while, obvioulsy at some point in the reboot processes it possibly triggers an "automatic" attempt to update the bios from a usb stick.

Thanks for this. I've given it a shot but without luck.

The problem is that it never gets to POST, so there is no way it can detect the USB flash update.
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