Computer not booting on a first go after Bios update

Nuking_Nerdz

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Feb 22, 2014
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My motherboard is Asus Maximus VI Formula and I flashed the bios to the newest ver. 1603 from 1102 and after I updated it successfully, the computer would turn on for a sec, turn off and then boot again automatically without any more problems, though this is kinda weird.
The system doesn't ever crash after it has been fully booted after that starting boot loop thingy. I didn't have a boot like this before the flashing.
All help is appreciated! :) I personally think that I should downgrade my bios or something though I would not like to, it really doesn't have to do with anything else as this didn't happen with bios ver. 1102.

edit: found a solution! :) it's located on the latest post by me
 
Solution
1. I'd try changing the Fast Boot setting to off just to see if it makes a difference and in which way. 2. Also check the SATA controller setting and try different modes... SATA in AHCI should be set for stable booting.
3. Also check the boot device order... and make the HDD first boot device if necessary.
4. If you have more than one HDD, see if you have them in the right order with the Windows drive on top as the main boot drive.

5. You can download the PDF Manual from this page... While there, I'd suggest updating your drivers if necessary (if driver dates suggest updating them is necessary), and improve things a bit. The PDF manual includes pictures of the UEFI BIOS and description of how different setting work.

MAXIMUS VI...
A BIOS setting named Quick Post, Silent Post, or something similar can cause boot issues such as slow or long boot, blank boot, etc. and the looping boot you're having may be due to that setting which may be set by default on the updated BIOS version.
 

Nuking_Nerdz

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Feb 22, 2014
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So I should set it to be disabled? I will take a look soon to the bios settings, I have just put my ram to xmp and boot order to be right, nothing else after the flashing.
 
Right... disable the setting if it's enabled. If it's already disabled, that's obviously not the cause. In that case, changing to the BIOS optimal default settings, or the fail proof settings may help.

If the setting is Enabled, the BIOS should take a little longer to post showing the checksum RAM size count, detected Drives, etc., but the boot process should improve, it's time shorten a bit, and may even stop the boot loop.

I had this setting enabled in a computer with Windows 8.1 and it took about 3 minutes to boot, I disabled the setting and boot improved to less than a minute. Another time on another computer, the setting caused the boot to go blank and stay there.. so I restarted it and it then booted normally. So I disabled the setting and it then booted normally the first time.. I've also read similar issues caused by the Quick post setting... that improved after disabling it. So the said setting does sometimes cause different boot issues.
 

Nuking_Nerdz

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Feb 22, 2014
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I checked the bios and didn't find anything similar to quick or silent post. Only thing that is kinda the same is "fast boot" which has been on since I've got this motherboard so it can't be that. Also the only thing that got me thinking was option that said something like "state after power restore after AC power loss" and it was set to "power off", with options "power on, last state" also available, so I thought maybe the motherboard thinks that if the computer is off for the x amount of time, it will think that the power was cut off by AC power loss, who knows? Also I forgot to mention that my motherboard (maximus vi formula) has a ROG uefi bios so you could try to find pictures of the tabs with all the options if needed. But yeah, the problems still lives :(

 
1. I'd try changing the Fast Boot setting to off just to see if it makes a difference and in which way. 2. Also check the SATA controller setting and try different modes... SATA in AHCI should be set for stable booting.
3. Also check the boot device order... and make the HDD first boot device if necessary.
4. If you have more than one HDD, see if you have them in the right order with the Windows drive on top as the main boot drive.

5. You can download the PDF Manual from this page... While there, I'd suggest updating your drivers if necessary (if driver dates suggest updating them is necessary), and improve things a bit. The PDF manual includes pictures of the UEFI BIOS and description of how different setting work.

MAXIMUS VI FORMULA - Downloads
https://www.asus.com/Motherboards/MAXIMUS_VI_FORMULA/HelpDesk_Manual/

PDF Manual
http://dlcdnet.asus.com/pub/ASUS/mb/LGA1150/MAXIMUS-VI-FORMULA/E8336_Maximus_VI_Formula.pdf
 
Solution

Nuking_Nerdz

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Feb 22, 2014
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1. Fast boot isn't the cause of this double boot problem.
2. Sata mode is set to AHCI
3. Boot order has been corrected after I cleared CMOS
4. I have 2xSSDs and 3xHDDs and the SSD with OS inside is the top one so it's correct.
5. All drivers that should be installed are successfully installed & up-to date. I'll check the manual anyway now just to see more information about some of those bios settings that got me into thinking :)
 
Well, I've ran out out of ideas except persisting with the clock multiplier. CPU voltage, updating again to the same BIOS version but downloaded from a different source (in case it's corrupted), or reverting to the old BIOS version.

Easy Guide : How to Downgrade ASUS Bios for all UEFI Motherboards
http://smarttechtips.blogspot.mx/2012/08/how-to-donwngrade-asus-bios.html

btw: are all your SSDs and HDDs storage and programs only, appart from the Widows SSD does any of them have an OS, System files, Recovery or Boot partition?... If so, it may be a boot issue and a Startup Repair may solve it... the BIOS update doesn't necessarily have to do with it... boot issues can ocurr at any moment with or without apparent reason.
 

Amartya

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Nov 5, 2012
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Weird crazy idea... Does this mobo have two BIOS chips? Then it maybe that the first one you updated is corrupted and it is booting from the second one after failing to boot from the first one!
 

Not a crazy idea... but it doesn't seem to have a dual BIOS.. it's not mentioned anywhere in the specifications or description... it would be advertised if it had, so I'm 99% sure it doesn't have it..
 
Rather than the Easy Guide to Downgrade ASUS Bios for all UEFI, the Asus USB BIOS Flashback would be the way to revert the BIOS update.


How to use the ASUS USB BIOS Flashback
http://linustechtips.com/main/topic/409088-asus-rog-boards-dont-seem-to-have-dual-bios-do-they-have-another-way-to-recover-corrupt-bios/
 

Nuking_Nerdz

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Feb 22, 2014
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I got the double boot problem fixed, disabling asmedia sata controllers at bios caused the double booting, I disabled them as someone said it would make my boot time faster as the computer wouldn't need to check for asmedia devices during post.

But today I found this at Z87 motherboard FAQ at asus's website: http://www.asus.com/support/Search-Result-Detail/42E98805-51B8-42F6-98EB-DAA23E898AB1/?keyword=Motherboard

"If there is no device connected to ASMedia SATA controller or it is disabled, motherboard will cut off the power supply to ASMedia SATA controller and restart computer to achieve better power saving." This was the case :(

Thank you for all the tips and help, I really appreciate it :)
 

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