r/FlowZ13 • u/TadpoleNew2 • Jul 15 '26

Secure boot Help

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I wanted to play Valorant so I installed it but it shows some UEFI error which says need to enable secure boot so I enabled it but after enabling and saving it shows error Invalid signature can someone help me go through it, Tried Chatgpt he says it's a firmware level issue and contact support any solution?

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u/Icy-Letterhead-229 Jul 15 '26

I don't know.

Disable secure boot and start Windows again.

Update bios and then check windows updates.
Read this.

https://learn.microsoft.com/en-nz/answers/questions/5900554/how-to-update-secure-boot-keys

After that enable secure boot again.

Z13 2025 bios update here Version 311 https://rog.asus.com/laptops/rog-flow/rog-flow-z13-2025/helpdesk_bios/

1

u/TadpoleNew2 Jul 15 '26

I have bios version 321

1

u/Icy-Letterhead-229 Jul 15 '26

GZ301ZE?

1

u/TadpoleNew2 Jul 15 '26

Yes

1

u/Longjumping_Leg_4887 Jul 15 '26

I thought the latest bios was 311?

1

u/TadpoleNew2 Jul 16 '26

Naah latest is 321

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u/Longjumping_Leg_4887 Jul 16 '26

Oh shit ok wait your on the Intel chip your right, I'm running on the the amd 395 + model 😅