ASRock Z270 PRO4 not booting after 2.30 update

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   I updated the BIOS on my ASRock Z270 PRO4 to 2.30 using the Windows utility, and it no longer boots. The power turns on, but the fan seems to repeat ramping up and down.

I tried both the CMOS battery reset and CMOS Jumper as per manual instruction: https://download.asrock.com/Manual/Z270%20Pro4.pdf

There's also no light (num lock, cap lock, etc) on the connected USB keyboard.

Is there any way forward here? or is RMA the only way to go? Thanks in advance.

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P6UZZCxtWBv Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 07 Jul 2020 Status: Offline Points: 4	Post Options Post Reply Quote P6UZZCxtWBv Report Post Thanks(0) Quote Reply Topic: ASRock Z270 PRO4 not booting after 2.30 update Posted: 07 Jul 2020 at 11:58am
	I updated the BIOS on my ASRock Z270 PRO4 to 2.30 using the Windows utility, and it no longer boots. The power turns on, but the fan seems to repeat ramping up and down. I tried both the CMOS battery reset and CMOS Jumper as per manual instruction: https://download.asrock.com/Manual/Z270%20Pro4.pdf There's also no light (num lock, cap lock, etc) on the connected USB keyboard. Is there any way forward here? or is RMA the only way to go? Thanks in advance.

RLGL Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 29 Jul 2018 Location: MN Status: Offline Points: 1995	Post Options Post Reply Quote RLGL Report Post Thanks(1) Quote Reply Posted: 07 Jul 2020 at 10:04pm
	Unfortunately flashing through windows is not the best way to go. Many many boards have been lost this way. Your only hope is to try a deep cmos clear then RMA.
	Asrock Z370 Gaming K6,Intel i7 8700K, Asrock x570 Taichi

P6UZZCxtWBv Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 07 Jul 2020 Status: Offline Points: 4	Post Options Post Reply Quote P6UZZCxtWBv Report Post Thanks(0) Quote Reply Posted: 08 Jul 2020 at 12:11am
	Yeah, now I'll never flash through Windows again... Is there other ways to deep clear the CMOS other than battery + jumper combo?

RLGL Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 29 Jul 2018 Location: MN Status: Offline Points: 1995	Post Options Post Reply Quote RLGL Report Post Thanks(0) Quote Reply Posted: 08 Jul 2020 at 5:32am
	In addition disconnect the power supply from the mains, repeatedly press the power button while power disconnected, battery removed etc. Let is sit overnight...... cross fingers
	Asrock Z370 Gaming K6,Intel i7 8700K, Asrock x570 Taichi