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Is my motherboard toast or can I fix it?

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Motherboard wont Post after BIOS update F16 on GA-X73-UD3 (rev 1.0)

Hi All,

Recently I updated my home built PC to Windows 8.1, there was an issue with my HD audio not working so I thought a BIOS update would help, which it did but Windows 8.1 had SecureBoot watermark, which I tried to fix by configuring manually configuring my SecureBoot BIOS features.  This cause my computer not to POST, I there reset my machine by removing the BIOS battery and jumping the Clear CMOS pins, this got me back up and running with a BIOS restore.  I then configure my SecureBoot properly and had no more watermark, the system seemed to work fine restarting multiple times with no issue until I shutdown.  On the next cold boot my machine would not POST again.  I repeated the steps above multiple times, but I cannot get the PC to POST at all now, the odd time if I do a reset while it's booting, it will POST and try and go into the BIOS setting and then shutdown.  I have no idea what is wrong, is my motherboard toast, is there anything I can do to fix it? help please.

PC Specs
Motherboard : Gigabyte GA-X79-UD3 (rev 1.0)
Processor: Intel Core i7 3820 Quad Core
RAM: Corsair 2x4GB
Video Cards: 2xSLI Gigabyte GTX 470 GV-N470D-13I
SSD: Kingston 240GB Sata3 (SV300S3B7A/240G)
HD: 2xWestern Digital Caviar Black 1TB SATA3 (WD1002FAEX) in RAID1
DVD: ASUS BW-12B1ST Blu-Ray Writer (BW-12B1ST/BLK/G/A)
PS: XFX ProSeries Black Edition 1000W

Thanks,

dmdilks

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Re: Motherboard wont Post after BIOS update F16 on GA-X73-UD3 (rev 1.0)
« Reply #1 on: October 26, 2013, 03:08:05 am »
Your video card could be the problem. It isn't a UEFI video card and some people have fix it.

That is with updating the bios on their card to support UEFI. You need a GTX-660 or high to do this.

You might have to force the backup bios to kick in. http://forum.giga-byte.co.uk/index.php/topic,13351.0.html
X299X Aorus Master, i9-9940x-3.30Ghz, 64gb G-Skill DDR4-2400, MSI RTX-3070 8GB, Cooler Master case, Thermal-take PSU 850w, 1-M2-NMVe SSD-512gb, 3-Pny 1TB SSD, 2-WD Raptors 1TB, Win 10 pro 64bit, Asus 35" 144Mhz Monitor.

Re: Motherboard wont Post after BIOS update F16 on GA-X73-UD3 (rev 1.0)
« Reply #2 on: October 26, 2013, 05:17:23 pm »
I'll give it a try, but where can I find an older BIOS update, I try to find them on the net with no luck.

Does Gigabyte have an site for downloading old BIOS flashes?

dmdilks

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  • "If it isn't broke don't fix it"
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X299X Aorus Master, i9-9940x-3.30Ghz, 64gb G-Skill DDR4-2400, MSI RTX-3070 8GB, Cooler Master case, Thermal-take PSU 850w, 1-M2-NMVe SSD-512gb, 3-Pny 1TB SSD, 2-WD Raptors 1TB, Win 10 pro 64bit, Asus 35" 144Mhz Monitor.

Re: Motherboard wont Post after BIOS update F16 on GA-X73-UD3 (rev 1.0)
« Reply #4 on: October 26, 2013, 07:29:50 pm »
Thanks, I'll try this....you mentioned I should use update F14, is there anyway to know what was fixed with each BIOS releases on this page?

Re: Motherboard wont Post after BIOS update F16 on GA-X73-UD3 (rev 1.0)
« Reply #5 on: October 26, 2013, 08:31:37 pm »
 :) Thank you so much, I'm up and running without SecureBoot enabled, I guess I leave it off for now, with the dumb watermark.

I tried to update my Video Card Bios using VGA Tools - @BIOS but the tool says it can not detect my video card, is there something I am missing?

dmdilks

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  • "If it isn't broke don't fix it"
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Re: Motherboard wont Post after BIOS update F16 on GA-X73-UD3 (rev 1.0)
« Reply #6 on: October 26, 2013, 09:32:11 pm »
You have a older video card and even if you could update it. It still might not support UEFI. You might have to do some research on that.
X299X Aorus Master, i9-9940x-3.30Ghz, 64gb G-Skill DDR4-2400, MSI RTX-3070 8GB, Cooler Master case, Thermal-take PSU 850w, 1-M2-NMVe SSD-512gb, 3-Pny 1TB SSD, 2-WD Raptors 1TB, Win 10 pro 64bit, Asus 35" 144Mhz Monitor.