Intel Motherboards - [Solved]Z270 Gaming K6 can't boot to UEFI USB

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[Solved]Z270 Gaming K6 can't boot to UEFI USB

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=12813
Printed Date: 03 Jul 2025 at 10:24am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: [Solved]Z270 Gaming K6 can't boot to UEFI USB

Posted By: badmem
Subject: [Solved]Z270 Gaming K6 can't boot to UEFI USB
Date Posted: 04 Nov 2019 at 11:29pm

I've been trying to install Windows from a UEFI boot media. If I disable CSM the PC gives 5 long beeps and resets the CSM to enabled.

I'm using the latest UEFI firmware. I've tried Rufus and the Windows creation tool to create the USB. I've reset the UEFI settings to default.

I still can't get PC to boot to UEFI mode only legacy.

Any ideas on how to get UEFI boot to work?

Replies:

Posted By: ASRock_TSD
Date Posted: 05 Nov 2019 at 11:10am

Dear Badmem,

Thank you for choosing ASRock.

Regarding your case, it seems you have an UEFI incompatibility device installed.
Please check your graphics card if it can support UEFI.

Thank you!
Yours truly,
ASRock TSD

Posted By: badmem
Date Posted: 05 Nov 2019 at 10:41pm

Thank you for your reply. Your suggestion was correct - I replaced the graphics card with a newer one and I can now use UEFI mode to install my operating systems.

How can I mark this question as solved?

Posted By: ASRock_TSD
Date Posted: 08 Nov 2019 at 2:45pm

Dear Badmem,

Thank you for your reply.

I have modified the topic as [Solved] for you.

Thank you!
Yours truly,
ASRock TSD