Go to ASUS's support site for your specific mobo Download latest bios file and extract it to a usb drive. Reboot PC into the bios. Flash bios file from drive. https://www.youtube.com/watch?v=BecIqvqJzPw Answer from tybuzz on reddit.com
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Asus
asus.com › motherboards / components › motherboards › prime › prime z690-a
PRIME Z690-A|Motherboards|ASUS Global
Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later." Downloaded · DOWNLOAD · SHOW MORE DESCRIPTION · PRIME Z690-A BIOS 3802 ·
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Asus
asus.com › motherboards / components › motherboards › prime › prime z690-p
PRIME Z690-P|Motherboards|ASUS Global
Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.30.2307v4. Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later." Downloaded · DOWNLOAD · SHOW MORE DESCRIPTION · PRIME Z690-P BIOS 3401 ·
Discussions

How to flash the BIOS on Asus Z690 Prime P if the system won't POST?
Background: I bought my Asus Z690 Prime P motherboard about a year ago when 12th gen Intel CPUs launched sort of by accident. Originally, I wanted to deploy the platform as a DDR5 platform, but then the availability of DDR5 DIMMs basically vanished/completely evaporated, so I never got around ... More on forum.level1techs.com
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October 23, 2022
Is there a flash bios option o the Asus PRIME Z690-A - PCPartPicker
The only thing is that a warning telling me about incompatible BIOS popped up, so i wanted to ask you guys if you know if the Asus PRIME Z690-A ATX LGA1700 Motherboard has the flash bios option (so I can use a usb to update the BIOS instead of using an old CPU). More on pcpartpicker.com
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What order should I install BIOS/Driver/ME Updates for ASUS Z690-A?
ME driver, then ME FW, then BIOS update More on reddit.com
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7
3
April 8, 2023
Can I Update My Asus Prime Z690-P WiFi Motherboard BIOS Directly to the Latest Version?
Is it safe to update my Asus Prime Z690-P WiFi motherboard directly from BIOS v. 2603 to v. 3811 without issues? More on yomotherboard.com
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January 23, 2026
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ASUS
asus.com › us › supportonly › prime z690-p wifi d4 › helpdesk_bios
PRIME Z690-P WIFI D4 - Support
Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.32.2473v3. Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later. " Downloaded · DOWNLOAD · SHOW MORE DESCRIPTION · PRIME Z690-P WIFI D4 BIOS 3403 ·
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ASUS
asus.com › us › supportonly › prime z690-a-csm › helpdesk_bios
PRIME Z690-A-CSM - Support
Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later." ... "1. Introduce the ""Performance Preferences"" with options for Intel Default Settings (Performance/Extreme) and ASUS Advanced OC Profile. 2. Redefine the factory defaults based on Intel’s new ""Intel Default Settings"" for various CPU SKUs. 3. Change F5 from ""Load Optimized Defaults"" to ""Reset to Defaults"". 4. Add warnings when users switch from the defaults to other settings. Updating this BIOS will simultaneously update the corresponding intel ME to version 16.1.30.2307.
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FlashMyBoard
flashmyboard.com › mb › Asus_PRIME_Z690-P_WIFI_D4
Asus PRIME Z690-P WIFI D4 BIOS - Analysis, Alerts & Downloads
3 weeks ago - "Update Intel microcode for enhanced stability & security.Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.40.2765. Please note after you update this BIOS, the ME version remains the updated one even if ...
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Asus
asus.com › motherboards / components › motherboards › prime › prime z690-p wifi
PRIME Z690-P WIFI|Motherboards|ASUS Global
Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.30.2307v4. Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later." Downloaded · DOWNLOAD · SHOW MORE DESCRIPTION · PRIME Z690-P WIFI BIOS 3401 ·
Find elsewhere
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Asus
asus.com › motherboards / components › motherboards › prime › prime z690-p d4
PRIME Z690-P D4|Motherboards|ASUS Global
Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.32.2473v3. Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later. " Downloaded · DOWNLOAD · SHOW MORE DESCRIPTION · PRIME Z690-P D4 BIOS 3403 ·
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Asus
asus.com › motherboards / components › motherboards › prime › prime z690-p wifi d4
PRIME Z690-P WIFI D4|Motherboards|ASUS Global
Updating this BIOS will simultaneously update the corresponding Intel ME to version 16.1.32.2473v3. Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later. " Downloaded · DOWNLOAD · SHOW MORE DESCRIPTION · PRIME Z690-P WIFI D4 BIOS 3403 ·
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ASUS
asus.com › motherboards / components › motherboards › prime › prime z690-a
bios & firmware - PRIME Z690-A|Motherboards
Please note after you update this BIOS, the ME version remains the updated one even if you roll back to an older BIOS later." Downloaded · DOWNLOAD · SHOW MORE DESCRIPTION · PRIME Z690-A BIOS 3802 ·
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Level1Techs
forum.level1techs.com › hardware hub › motherboards
How to flash the BIOS on Asus Z690 Prime P if the system won't POST? - Motherboards - Level1Techs Forums
October 23, 2022 - Background: I bought my Asus Z690 Prime P motherboard about a year ago when 12th gen Intel CPUs launched sort of by accident. Originally, I wanted to deploy the platform as a DDR5 platform, but then the availability of …
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HelpDrivers
helpdrivers.com › motherboards › Asus › ASUS_Prime › PRIME_Z690-P
Asus PRIME Z690-P Motherboards > Downloads Drivers, Utilities, Manual, Firmware and BIOS
Downloads 30 Drivers, Utilities, Manual, Firmware and BIOS for Asus PRIME Z690-P Motherboards. Here's where you can download the newest software for your PRIME Z690-P.
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Asus
zentalk.asus.com › t5 › motherboards › bios-update-asus-prime-z690-p-wifi › td-p › 392091
Bios Update Asus Prime Z690 P Wifi - ASUS - ZenTalk - 392091
October 11, 2023 - May I inquire as to the reason for your current need to update the BIOS? For instance, have there been any hardware changes? You can perform a BIOS update by following the guide provided in the [Motherboard/Desktop] ASUS EZ Flash 3 - Introduction.
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Reddit
reddit.com › r/asus › what order should i install bios/driver/me updates for asus z690-a?
r/ASUS on Reddit: What order should I install BIOS/Driver/ME Updates for ASUS Z690-A?
April 8, 2023 -

Hello all!

I have a Z690-A being used in a new machine.

I see a few different downloads here on the BIOS page. What order should I update/install these after building the machine? Thanks for any help.

Edit: If anyone comes behind me reading this >> Flashing the new BIOS off a USB drive actually updates the ME as well. You don't have to do it separately.

https://www.asus.com/motherboards-components/motherboards/prime/prime-z690-a/helpdesk_bios/?model2Name=PRIME-Z690-A

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Yo Motherboard
yomotherboard.com › home › hardware › can i update my asus prime z690-p wifi motherboard bios directly to...
Can I Update My Asus Prime Z690-P WiFi Motherboard BIOS Directly to the Latest Version? - Yo Motherboard
January 23, 2026 - There are no requirements listed for incremental updates, according to the release notes. Just make sure to also update all the drivers from your motherboard's support page, especially the chipset drivers! ... Thanks a lot! Quick follow-up—do I need to save those driver files to a USB drive ...
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ASUS
asus.com › support › faq › 1044348
[Motherboard] How to update BIOS of the motherboard ?(Include different generation CPU) | Official Support | ASUS Global
April 23, 2026 - Its primary responsibilities include initializing hardware components, performing the Power-On Self-Test (POST), and, once system integrity is confirmed, handing control over to the operating system to begin the boot process. As products evolve and usage environments change, updating the BIOS can be beneficial in several ways: 1.Enhancing overall system stability and compatibility 2.
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Reddit
reddit.com › r/asus › struggling to update bios (asus prime z690-p wifi d4)
r/ASUS on Reddit: Struggling to update BIOS (Asus Prime Z690-P Wifi D4)
June 1, 2022 -

Hello.

I'm helping a friend build a PC and I'm trying to update the BIOS but we're having difficulty.

Im trying to do it through BIOS using EZupdate.

No matter what I do, I keep getting the error either "the selected file is not a proper BIOS" or "the selected file is not a EUFI BIOS".

I've tried formatting my usb drive to FAT32 (even though it already was FAT32).

I've tried a different usb drive.

I've double checked that I've downloaded the correct BIOS (PRIME Z690-P WIFI BIOS 1401).

I've tried using the renametool it came with to change the file name, same thing happens.

I've tried various other things (including unlocking the zip before extracting which someone suggested).

I don't know what to do from here, could someone give me some advice?

Thanks.