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Cant boot after BIOS update on ASUS X79 MB

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January 27, 2014 9:22:07 AM

flashed bios on my ASUS X79 MB and now all i get is a 2 second spin of fans......repeatedly. system will not boot/cant get to BIOS. I also have done flashback of BIOS via USB....no luck. I've unplugged all devices and removed battery from MB....same issue!
a c 150 Ĉ ASUS
a c 114 à CPUs
January 27, 2014 12:17:16 PM

What was the original BIOS version? You night need using the CAP converter.
As a final option, you can order a BIOS chip and replace the board's one, but I suggest tetsing with the Flashback firstly.
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January 27, 2014 12:30:51 PM

The original bios was 1104...came with the MB. I thought i would get adventurous and upgrade the bios since i was having issues with my mb seeing all of my ram. I have since tried to flashback (just doing the ASUS format like the first bios update and renaming cap to rom...etc.) to the original bios but i get the same....on for a sec...off...on for a sec....off. I have also ordered a new bios chip from eBay...expect to get it within the next couple of days.

Did I do the Flashback incorrectly?
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a c 150 Ĉ ASUS
a c 114 à CPUs
January 27, 2014 1:02:30 PM

I think so. What's the exact board model?
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January 27, 2014 2:15:08 PM

alexoiu said:
I think so. What's the exact board model?


It's the ASUS Sabertooth X79 TUF mobo

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a c 150 Ĉ ASUS
a c 114 à CPUs
January 27, 2014 2:33:11 PM

Try this: download the SABERTOOTH-X79-CAP-Converter from
http://support.asus.com/download.aspx?SLanguage=en&p=1&...
under Bios Utilities
Unzip and rename the SABERTOOTH-X79-CAP-Converter.ROM file to SABERX79.ROM
Save it on a FAT formatted USB drive.
Connect the drive to the Flashback port (white), Press the Flashback button for 3 seconds. The led should flash and the process should take few minutes.
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January 27, 2014 2:39:06 PM

alexoiu said:
Try this: download the SABERTOOTH-X79-CAP-Converter from
http://support.asus.com/download.aspx?SLanguage=en&p=1&...
under Bios Utilities
Unzip and rename the SABERTOOTH-X79-CAP-Converter.ROM file to SABERX79.ROM
Save it on a FAT formatted USB drive.
Connect the drive to the Flashback port (white), Press the Flashback button for 3 seconds. The led should flash and the process should take few minutes.


I did the cap converter....but do this again WITHOUT a bios entry on the usb drive?

I did the cap converter WITHOUT a bios on the usb drive....same problem as before...no boot.

I do believe I bricked my mobo...just bought a Rampage IV Black Edition....thx for the assistance.

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a c 150 Ĉ ASUS
a c 114 à CPUs
January 27, 2014 9:57:05 PM

You're welcome. A BIOS chip would solve the issue, I guess.
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March 21, 2014 2:08:21 PM

alexoiu said:
You're welcome. A BIOS chip would solve the issue, I guess.


Yes....a 3 dollar BIOS chip did solve the problem but I decided to go with the new MoBo which is now giving me more problems!
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