Hi. I have similar situation with OP. I bought 7900X3D so I assume I need to flash latest bios to make it work. I formatted my Sandisk Cruzer to FAT32 and also partitioned it so that it size is 24,576MB. Factory size for the Cruzer was 64Gb. Rename the bios file to msi.rom Move it into Cruzer root folder Insert the flash drive into the flash bios port at the back Press and hold the flash bios button for 3 seconds The flash bios button blinks and after about 5 minutes it turned off. Both ezbug LED light constantly stays on and the post counter shows 00. The dragon LED stays on. How do I know if I completed flash successfully? I could not test turning it on normally since my Noctua mount for AM5 hasn’t arrived yet, I could not install the cooler for the cpu, hence I could not install the cpu yet. Answer from Fix24311 on reddit.com
Reddit
reddit.com › r/msi_gaming › how do i know if it’s done bios flashing?
r/MSI_Gaming on Reddit: How do I know if it’s done bios flashing?
December 27, 2020 - If this is the X570 Tom, then if the Flashing is finished/successful, there should be no flashing on white LED behind the I/O shield and no activity light on your USB stick. The system should reboot with the chipset fan comes back on again.
SmartTechSavvy
smarttechsavvy.com › how-do-i-know-when-bios-flashback-is-done
How Do I Know When BIOS Flashback is Done? A Comprehensive Guide - SmartTechSavvy
April 7, 2025 - If your motherboard displays a progress bar on the screen, you can monitor the progress and wait for it to complete. Once the progress bar reaches 100%, the BIOS Flashback process is done.
Videos
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Reddit
reddit.com › r/msi_gaming › flashing bios for first time - how do you know when it is finished?
r/MSI_Gaming on Reddit: Flashing BIOS for first time - How do you know when it is finished?
May 13, 2023 -
I just bought the MSI MPG X670E Carbon WIFI with a 7950x.
I have not installed the RAM/CPU just yet, but was updating the BIOS to the latest (7D70v172Beta Released 2023-04-28)
I used the 16GB USB stick that came with the board (formatted as FAT32, moved the renamed file to MSI.ROM to the drive)
I held the button for a few seconds and let go, and the button started blinking.
It's been 30 minutes now, I THINK it's done. The button is no longer flashing, and is just off, but the rest of the board is still on (DEBUG code 00. It has been code 00 the whole time since before the flash started). It hasn't rebooted, turned off, anything. Does the motherboard turn off too, or do I just need to wait for the button light to turn off (which it is now) ?
Pic of the backplate
Edit: Thanks. Took advice that since it was off, it was done. I did redo the process again, and this time kept an eye on it. After about 5 minutes, mobo rebooted, then the bios light flashed a couple seconds, then turned off, so ended up in the same state as original.
Top answer 1 of 4
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Hi. I have similar situation with OP. I bought 7900X3D so I assume I need to flash latest bios to make it work. I formatted my Sandisk Cruzer to FAT32 and also partitioned it so that it size is 24,576MB. Factory size for the Cruzer was 64Gb. Rename the bios file to msi.rom Move it into Cruzer root folder Insert the flash drive into the flash bios port at the back Press and hold the flash bios button for 3 seconds The flash bios button blinks and after about 5 minutes it turned off. Both ezbug LED light constantly stays on and the post counter shows 00. The dragon LED stays on. How do I know if I completed flash successfully? I could not test turning it on normally since my Noctua mount for AM5 hasn’t arrived yet, I could not install the cooler for the cpu, hence I could not install the cpu yet.
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Its done if the light has stopped flashing
ASRock
asrock.com › support › QA › FlashbackSOP.pdf pdf
Page 1 / 4 ASRock Flashback Feature User guide
* If the LED light turns solid green, this means that the BIOS Flashback is not
Asus
asus.com › us › support › faq › 1038568
[Motherboard] How to use USB BIOS FlashBack™? | Official Support | ASUS USA
April 9, 2026 - Use situation: If your Motherboard ... light is on but not displayed, you can use the USB BIOS FlashBack™ function. Requirements Tool: Prepare a USB flash drive with a capacity of 1GB or more. *Requires a single sector USB flash drive in FAT16 / 32 MBR format. To provide you more detailed instruction, you can also click ASUS Youtube video link below to know more about ...
Quora
quora.com › My-motherboard-has-a-bios-flashback-button-what-is-this-and-how-do-I-use-it-correctly
My motherboard has a bios flashback button, what is this and how do I use it correctly? - Quora
Press Flashback button, observe LED, wait patiently. Do not interrupt power or remove USB until success indicator. This method is the safest way to update or recover firmware when the system cannot boot or to add CPU compatibility before assembly.
Tech News Today
technewstoday.com › home › hardware › what is bios flashback and how to use it?
What is BIOS Flashback and How to Use It? - Tech News Today
September 25, 2023 - This is followed by continuous blinking for about 5 to 10 minutes. Your job is to just wait until the LED stops flashing. This is the indication that the update is complete. It’s time to finalize the update.
Northern Micro
northernmicro.com › spirit-manuals › spirit-x399-as-user-manual › Onboard_Switches.htm
Onboard Switches and Buttons
4. Press the BIOS Flashback button for three seconds until the Flashback LED blinks three times, indicating that the BIOS Flashback function is enabled.
Tom's Hardware Forum
forums.tomshardware.com › home › motherboards
HeLp !! Problems with USB Bios Flashback. How long does it take?? [ROG Maximus VIII Hero Alpha] | Tom's Hardware Forum
March 13, 2016 - polar papa you did not rename the ... then it turn off. if it blinks and turns off the file is not names right or the usb stick is not fat32 formated or the bios file name not in the root of the usb stick or the mb does not like your usb stick....
MiniTool Partition Wizard
partitionwizard.com › home › partition magic › how to use bios flashback [asus, msi, gigabyte, asrock boards]
How to Use BIOS FlashBack [ASUS, MSI, Gigabyte, ASRock Boards] - MiniTool Partition Wizard
October 9, 2023 - This post will tell what BIOS FlashBack is, when to use it, and how to use it. Follow the guide and you can update BIOS smoothly.
Asus
asus.com › us › support › faq › 1053582
[Desktop] How to use USB BIOS FlashBack™ Update BIOS? | Official Support | ASUS USA
July 12, 2024 - 9. Press and hold the BIOS FlashBack™ button on the rear panel for about 3 seconds until the BIOS FlashBack™ indicator light flashes 3 times, indicating that the BIOS FlashBack™ process has started. Note: The update time may vary depending on the size of the BIOS file, but it is estimated ...
Overclockers UK
forums.overclockers.co.uk › hardware › motherboards
MSI X570 Tomahawk WiFi Bios Flash button, how to tell if it's worked? | Overclockers UK Forums
November 6, 2020 - It looked like it then rebooted as fans power went off and came back on again. I'm going with thats what a succesful bios flash looks like ... Are you guys bothering to install the CPU and RAM before attempting the flash for the 5000 series, are after everything is done?
YouTube
youtube.com › watch
How to use the BIOS Flash Button | MSI Motherboards
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
Hardware Canucks
hardwarecanucks.com › home › forums › cpu's and motherboards
How to use ASUS bios Flashback the right way. | Hardware Canucks
June 9, 2024 - I wasn't feeling to good when the green light started to flash then stopped almost right away,the only thing I was thinking is this thing is F****ed and I should throw out a Window to the concrete below because I had of some guys saying that bios flashback doesn't always work. I blame the youtubers to a certain degree because I also feel if your going to post a video and these were well know guys that had done a lot of video's not one to ever mention oh ya and by the way folks make sure that usb stick is in MBR or she ain't gonna work.
Reddit
reddit.com › r › ASUS › comments › 1chv32a › how_do_i_know_is_if_using_the_flashback_button
How do i know is if using the flashback button properly ...
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PCGamesN
pcgamesn.com › bios-update
How to perform a BIOS update - PCGamesN
March 21, 2024 - Don't reset or switch off your PC, or you'll risk bricking your motherboard. After a few minutes, the light should indicate that the flashing process is complete. We're all done with our BIOS update guide now, and we hope you've managed to update ...
Linus Tech Tips
linustechtips.com › computer hardware › cpus, motherboards, and memory
Can I flash BIOS with BIOS flashback after the PC is built? - CPUs, Motherboards, and Memory - Linus Tech Tips
December 29, 2023 - Hi, I am building my first PC. I have 13600K and B660-A strix wifi D4 motherboard. I don’t know when to use BIOS flashback. I have seen tutorials doing it without cpu installed, before the pc is built. But I am stressing out because its hard to unplug the ATX cable and I am worried about ...
UMA Technology
umatechnology.org › home › what does the bios flashback button do & how to use it?
What Does the BIOS Flashback Button Do & How to Use It?
May 12, 2026 - MSI boards typically show progress via a flashing LED and then a solid state when done. Remove USB and test boot. Once finished, boot normally and check the BIOS version. Gigabyte calls the feature Q-Flash Plus on many models. The BIOS flashback button experience includes a dedicated USB method and indicator LED.
Asus
rog-forum.asus.com › t5 › hardware-build-advice › how-long-does-ittake-to-update-bios › td-p › 624801
how long does ittake to update BIOS? - Republic of Gamers Forum - 624801
March 5, 2024 - The USB BIOS Flashback process usually takes one to two minute. The light staying solid means the process has completed or failed. If your system is working fine, you can update the BIOS through the EZ Flash Utility inside the BIOS.
Quora
quora.com › When-is-BIOS-flashback-necessary-and-how-does-it-help-PC-builders
When is BIOS flashback necessary, and how does it help PC builders? - Quora
Answer (1 of 2): That is actually a failsafe feature. So it won’t help PC builders per se, but knowing enthusiasts are often the building type and this subset of PCMR is giddy about latest BIOS revision, I can connect the dots this way. When flashing new firmware revision, traditionally it ...